Akiyomi O. Fields, M.D.
Internal Medicine Physician · Brooklyn, NY
Akiyomi O. Fields, M.D. is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1104118546, issued on May 4, 2011. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Akiyomi O. Fields
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 082040 GA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Greene Ave, Brooklyn, NY 11238
- Phone
- (718) 789-5900
- Enumerated
- May 4, 2011
- Record last updated
- Oct 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111114000060); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 55 Greene Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gary Carpenter, M.D.Internal Medicine Physician1649533738
- Mario Ferraro, MS PTPhysical Therapist1295843191
Verify Akiyomi O. Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
51 Medicare Part D claims for 28 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
The MIPS final score for 2023 (Medicare payment program): 95.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Atlantic Professional Services OF Rhode Island IncorporatedBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Akiyomi O. Fields among 12,067 internal medicine physician records in New York
Akiyomi O. Fields, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 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 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2002 among the 7,221 with a school on file
- Record last updated2019 · 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jedidiah Burack, MDBrooklyn, NY 112381013984392
- Ahmar Butt, MDBrooklyn, NY 112381619983871
- Ron Dailey, M.D.Brooklyn, NY 112381336252816
- George Gainor, M.D.Brooklyn, NY 112381124325642
- Irina Gressel, MDBrooklyn, NY 112381992727861
- Owen Ifill, MDBrooklyn, NY 112381275585580
- Shalini Kardam, M.D.Brooklyn, NY 112381245502822
- Larry Kurz, M.D.Brooklyn, NY 112381942211909
Common questions
What is Akiyomi O. Fields, M.D.'s NPI number?
Akiyomi O. Fields, M.D.'s National Provider Identifier (NPI) is 1104118546, issued on May 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Akiyomi O. Fields, M.D. located?
The NPPES record lists a practice address at 55 Greene Ave, Brooklyn, NY, 11238. Phone: (718) 789-5900. Providers update this record themselves, so call before visiting.
How can I verify Akiyomi O. Fields, M.D.'s license?
Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Akiyomi O. Fields, M.D. prescribe under Medicare Part D?
In 2024, Akiyomi O. Fields, M.D. had 51 Medicare Part D claims for 28 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Akiyomi O. Fields, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.