Michael Anthony Niaki, M.D.
Internal Medicine Physician · San Leandro, CA
Michael Anthony Niaki, M.D. is an internal medicine physician with a practice address in San Leandro, California, and NPI 1457512360, issued on Jun 23, 2008. Check the license (California A120291, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Anthony Niaki
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A120291 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2800 Benedict Dr, San Leandro, CA 94577
- Phone
- (650) 852-1364
- Enumerated
- Jun 23, 2008
- Record last updated
- May 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (650) 852-1364
- Medicare enrollment
- Enrolled (PECOS I20140829001266); may accept Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2800 Benedict Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wilfredo DiazPhysical Therapist1144459157
- Gurpinder Gill, RNRegistered Nurse1376119453
- Anna Theresa Goyeneche, PTAPhysical Therapy Assistant1396538781
- Bibekanand Gupta, NPAcute Care Nurse Practitioner1154207454
- Evelyn Nakagawa, M.D.Internal Medicine Physician1023077294
- Gabrielle Patino, OTR/LOccupational Therapist1023834355
Verify Michael Anthony Niaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,852 Medicare Part D claims for 93 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 156 claims were for opioids.
Most prescribed
- Atorvastatin Calcium189 claims
- Amlodipine Besylate117 claims
- Eliquis115 claims
- Gabapentin103 claims
- Levothyroxine Sodium92 claims
- Tamsulosin Hcl77 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14.37
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael Anthony Niaki among 17,696 internal medicine physician records in California
Michael Anthony Niaki, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 internal medicine physician records list a practice address in San Leandro
They are 62 of the 4,976 NPPES records with a practice address in San Leandro, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Leandro → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abhijan Banerjee, M.D.San Leandro, CA 945771548292113
- Leo Chi, M.D.San Leandro, CA 945771467530220
- Young Choi, D.O.San Leandro, CA 945771871671628
- Christian Dang, M.D.San Leandro, CA 945771417986753
- Louis Edelson, M.D.San Leandro, CA 945771356429120
- Mei Kung, M.D.San Leandro, CA 945771407939465
- Sandeep Lal, M.D.San Leandro, CA 945771558448340
- Evelyn Nakagawa, M.D.San Leandro, CA 945771023077294
Common questions
What is Michael Anthony Niaki, M.D.'s NPI number?
Michael Anthony Niaki, M.D.'s National Provider Identifier (NPI) is 1457512360, issued on Jun 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Anthony Niaki, M.D. located?
The NPPES record lists a practice address at 2800 Benedict Dr, San Leandro, CA, 94577. Phone: (650) 852-1364. Providers update this record themselves, so call before visiting.
How can I verify Michael Anthony Niaki, M.D.'s license?
NPPES lists California license number A120291, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Anthony Niaki, M.D. prescribe under Medicare Part D?
In 2024, Michael Anthony Niaki, M.D. had 2,852 Medicare Part D claims for 93 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.