James Willis Simmons Ii, NP - Medicare Nurse Practitioner in Redwood City, CA

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James Willis Simmons Ii, NP is a medicare enrolled "Nurse Practitioner - Family" in Redwood City, California. He graduated from nursing school in 2010 and has 16 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice Merced Intensivist Group Inc, Inpatient Specialists Of California Pc and his current practice location is 830 Jefferson Ave, Redwood City, California. You can reach out to his office (for appointments etc.) via phone at (650) 380-0616.

James Willis Simmons Ii is licensed to practice in California (license number NP19879) 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 1366744492.

Contact Information

James Willis Simmons Ii, NP
830 Jefferson Ave,
Redwood City, CA 94063-1804
(650) 380-0616
Not Available

Map and Direction




Provider's Profile

Full NameJames Willis Simmons Ii
GenderMale
SpecialityNurse Practitioner
Experience16 Years
Location830 Jefferson Ave, Redwood City, 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:
  • James Willis Simmons Ii graduated from nursing school in 2010
  NPI Data:
  • NPI Number: 1366744492
  • Provider Enumeration Date: 11/22/2010
  • Last Update Date: 01/16/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 6002093341
  • Enrollment ID: I20110614000168

Medical Identifiers

Medical identifiers for James Willis Simmons Ii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366744492NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family NP19879 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sutter Delta Medical CenterAntioch, CAHospital
Mercy Medical CenterMerced, CAHospital
Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CAHospital
Alta Bates Summit Medical CenterOakland, CAHospital
Dameron HospitalStockton, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Merced Intensivist Group Inc90325358029
Inpatient Specialists Of California Pc3476864448370

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. James Willis Simmons Ii allows following entities to bill medicare on his behalf.
Entity NameBaz Allergy Asthma & Sinus Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710906995
PECOS PAC ID: 6507770716
Enrollment ID: O20031112000791
Entity NameSolano Gateway Medical Group, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952344293
PECOS PAC ID: 5496725418
Enrollment ID: O20040916001355
Entity NameAltamont Emergency Physicians Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952392375
PECOS PAC ID: 5496700759
Enrollment ID: O20050318000840
Entity NameSurgical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366824161
PECOS PAC ID: 6002110814
Enrollment ID: O20160215001177
Entity NameVituity Hospitalists Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730666108
PECOS PAC ID: 2567714090
Enrollment ID: O20181011001813
Entity NameErx Hospitalist Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699199562
PECOS PAC ID: 6608009279
Enrollment ID: O20221113000053
Entity NameParhelion Healthcare Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457025256
PECOS PAC ID: 5193199461
Enrollment ID: O20230328002319

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. James Willis Simmons Ii 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
James Willis Simmons Ii, NP
4405 Wincanton Rd,
Salida, CA 95368-9715

Ph: (209) 482-6840		James Willis Simmons Ii, NP
830 Jefferson Ave,
Redwood City, CA 94063-1804

Ph: (650) 380-0616

Reviews and Comments


Nurse Practitioner Nurses in Redwood City, CA

Helena Keesoon Lee,
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Practice Location: 170 Alameda De Las Pulgas, Redwood City, CA 94062
Phone: 650-369-5811    
Mrs. Ronda Lynn Brandt, CNM
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Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063
Phone: 415-509-5160    
Mrs. Michelle Mckenney Buenrostro, NP
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Practice Location: 2950 Whipple Ave, Redwood City, CA 94062
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Juanita Lamprecht, WHNP
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Medicare: Not Enrolled in Medicare
Practice Location: 2907 El Camino Real, Redwood City, CA 94061
Phone: 650-503-7810    
Frances Weissbart, NP, ANP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1190 Veterans Blvd, Cardiology Department, Redwood City, CA 94063
Phone: 650-299-2045    Fax: 408-328-5695
Ms. Roberta Heck, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1190 Veterans Blvd, Redwood City, CA 94063
Phone: 650-299-3614    
Mrs. Jessica Fant Norkoski, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 900 Veterans Blvd Ste 150, Redwood City, CA 94063
Phone: 888-663-6331    Fax: 415-252-7176

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.