Derek L Passer, MD - Medicare Anesthesiology in San Diego, CA

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Derek L Passer, MD is a medicare enrolled "Anesthesiology" physician in San Diego, California. He went to University Of Nebraska College Of Medicine and graduated in 2017 and has 9 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc., Aspirus Riverview Hospital And Clinics Inc, Great Lakes Anesthesiology Pc and his current practice location is 3626 Ruffin Rd, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (858) 565-9666.

Derek L Passer is licensed to practice in California (license number A182607) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1174055693.

Contact Information

Derek L Passer, MD
3626 Ruffin Rd,
San Diego, CA 92123-1810
(858) 565-9666
(858) 565-9441

Map and Direction




Physician's Profile

Full NameDerek L Passer
GenderMale
SpecialityAnesthesiology
Experience9 Years
Location3626 Ruffin Rd, San Diego, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Derek L Passer attended and graduated from University Of Nebraska College Of Medicine in 2017
  NPI Data:
  • NPI Number: 1174055693
  • Provider Enumeration Date: 04/03/2017
  • Last Update Date: 10/15/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9830435585
  • Enrollment ID: I20241009000299

Medical Identifiers

Medical identifiers for Derek L Passer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174055693NPI-NPPES
2280216MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology MD61505577 (Washington)Secondary
207L00000XAnesthesiology 101829 (Wisconsin)Secondary
207L00000XAnesthesiology A182607 (California)Primary
207L00000XAnesthesiology DR.0065803 (Colorado)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Olean General HospitalOlean, NYHospital
Aspirus Wisconsin Rapids HospitalWisconsin rapids, WIHospital
Aspirus Rhinelander HospitalRhinelander, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.9335059856566
Aspirus Riverview Hospital And Clinics Inc4587658182166
Great Lakes Anesthesiology Pc711399752990

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Derek L Passer allows following entities to bill medicare on his behalf.
Entity NameMarshfield Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952347981
PECOS PAC ID: 2264345206
Enrollment ID: O20031106000590
Entity NameBeaver Dam Community Hospitals Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972188555
PECOS PAC ID: 2567370539
Enrollment ID: O20040210000666
Entity NameAspirus Riverview Hospital & Clinics Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295754844
PECOS PAC ID: 4587658182
Enrollment ID: O20040414000945
Entity NameMemorial Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346239373
PECOS PAC ID: 2365433224
Enrollment ID: O20040519001426
Entity NameFlambeau Hospital, Inc.
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1700963048
PECOS PAC ID: 9032029871
Enrollment ID: O20070828000478
Entity NameMchs Hospitals Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093221434
PECOS PAC ID: 5698071173
Enrollment ID: O20180208000096
Entity NameLakeview Medical Center Inc of Rice Lake
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093201832
PECOS PAC ID: 6103737820
Enrollment ID: O20180817001484
Entity NameMchs Hospitals Inc
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1952890873
PECOS PAC ID: 5698071173
Enrollment ID: O20180904002962
Entity NameFlambeau Hospital, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194317966
PECOS PAC ID: 9032029871
Enrollment ID: O20210409000059

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Derek L Passer is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Derek L Passer, MD
3626 Ruffin Rd,
San Diego, CA 92123-1810

Ph: (858) 565-9666		Derek L Passer, MD
3626 Ruffin Rd,
San Diego, CA 92123-1810

Ph: (858) 565-9666

Reviews and Comments


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Michael Conrad Weber, DO
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Susanna Byrne, D.O.
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Dr. Paige Tsuda, MD
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Mina Kyrollus Ghobrial,
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Thomas J. Pietuch, M.D.
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Practice Location: 3626 Ruffin Rd, San Diego, CA 92123
Phone: 858-565-9666    Fax: 858-565-9441
Dr. Ching-rong Cheng, MD
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Phone: 619-543-5720    
Dr. Jeffrey Koji Sakihara, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 3626 Ruffin Rd, San Diego, CA 92123
Phone: 858-565-9666    Fax: 858-565-9441

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.