Stanley Masaji Naguwa, MD - Medicare Internal Medicine in Davis, CA

Stanley Masaji Naguwa, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Davis, California. His current practice location is 2660 W Covell Blvd, Suite A, Davis, California. You can reach out to his office (for appointments etc.) via phone at (530) 747-3074.

Stanley Masaji Naguwa is licensed to practice in California (license number G33104) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1447231873.

Contact Information

Stanley Masaji Naguwa, MD
2660 W Covell Blvd, Suite A,
Davis, CA 95616-5645
(530) 747-3074
(530) 792-8556

Map and Direction




Physician's Profile

Full NameStanley Masaji Naguwa
GenderMale
SpecialityInternal Medicine - Rheumatology
Location2660 W Covell Blvd, Davis, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1447231873
  • Provider Enumeration Date: 11/11/2005
  • Last Update Date: 08/30/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 6103990676
  • Enrollment ID: I20080731000519

Medical Identifiers

Medical identifiers for Stanley Masaji Naguwa such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447231873NPI-NPPES
00G331040MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology G33104 (California)Primary

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. Stanley Masaji Naguwa allows following entities to bill medicare on his behalf.
Entity NameRegents Of The Univ Of Ca
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013906973
PECOS PAC ID: 3375456619
Enrollment ID: O20031111000892
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952998973
PECOS PAC ID: 8022922475
Enrollment ID: O20031118001149

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. Stanley Masaji Naguwa 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
Stanley Masaji Naguwa, MD
451 East Health Sciences Drive, Gbsf, University Of California,
Davis, CA 95616

Ph: (530) 752-2884
Stanley Masaji Naguwa, MD
2660 W Covell Blvd, Suite A,
Davis, CA 95616-5645

Ph: (530) 747-3074

Reviews and Comments


Internal Medicine Doctors in Davis, CA

David A. Dycaico, MD
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Dr. Jafar Alsaid, MD
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Phone: 925-997-4483    
Daniel J Kennedy, MD
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Mrs. Elisabeth Abdin,
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Practice Location: 2030 Sutter Place, Suite 1000, Davis, CA 95616
Phone: 530-750-5904    Fax: 530-750-5905
Lynn Marie Mcalister, D.O.
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Dr. Stephen A. Mccurdy, MD
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Practice Location: One Shields Ave., Davis, CA 95616
Phone: 530-752-8051    Fax: 530-752-3239
Dr. Michael Xavier Guzman Ii, D.O.
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Medicare: Accepting Medicare Assignments
Practice Location: 2000 Sutter Pl, Davis, CA 95616
Phone: 530-750-5909    

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).

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