NPPES file of Aug 9, 2026

Mami Nishiwaki Martin, M.D.

Specialist · Arlington, VA

Mami Nishiwaki Martin, M.D. is a specialist with a practice address in Arlington, Virginia, and NPI 1245261338, issued on Jul 6, 2006. Check the license (Virginia 010130869, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245261338
Name
Mami Nishiwaki Martin
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
010130869 VA
Self-reported in NPPES; status is on the state search
Practice location
1715 N George Mason Dr, Arlington, VA 22205
Phone
(703) 717-4300
Enumerated
Jul 6, 2006
Record last updated
Nov 27, 2023
Fax
(703) 717-4301
Medicaid ID
7399162 VA
Medicare enrollment
Enrolled (PECOS I20170313002425); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1715 N George Mason Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ralph Amedeo, MDInternal Medicine Physician1558369991
  2. Roya Azarmahan, M.D.Internal Medicine Physician1245413822
  3. Lawrence Ballon, M.D.Psychiatry Physician1154511848
  4. Lillibeth Boruchow, MDPsychiatry Physician1023132669
  5. Maureen BradleySpecialist1962850685
  6. Catherine Casey, MDPediatrics Physician1831108067

Verify Mami Nishiwaki Martin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 010130869
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average specialist in 2024

69 Medicare Part D claims for 46 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. Mami Martin69
  2. Specialty average1,380

Most prescribed

  1. Oxycodone Hcl12 claims
  2. Oxycodone-Acetaminophen11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.8
  2. Costout of 100 · 30%66.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Inova Health Care ServicesFalls Church, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mami Nishiwaki Martin among 798 specialist records in Virginia

Mami Nishiwaki Martin, M.D. is one of 798 specialist records with a practice address in Virginia. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 42% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1996 · median 1989 among the 167 with a school on file
  • Record last updated2023 · 81% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Virginia

There are 798 specialist records in Virginia.

The 8 specialist records with the nearest ZIP codes

  1. Shirley Beck, P.T.Arlington, VA 222051326055898
  2. Pablo FaloArlington, VA 222051447262902
  3. Sharon Goldman, PTAArlington, VA 222051518314509
  4. Abraham Kader, MDArlington, VA 222051679675565
  5. Eugene Lambert, M.D.Arlington, VA 222051619902459
  6. Marina Martinez, MDArlington, VA 222051295754042
  7. Michelle Nguyen, M.D.Arlington, VA 222051982710232
  8. Maureen O'Regan, M.D.Arlington, VA 222051194737668

Common questions

What is Mami Nishiwaki Martin, M.D.'s NPI number?

Mami Nishiwaki Martin, M.D.'s National Provider Identifier (NPI) is 1245261338, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mami Nishiwaki Martin, M.D. located?

The NPPES record lists a practice address at 1715 N George Mason Dr, Arlington, VA, 22205. Phone: (703) 717-4300. Providers update this record themselves, so call before visiting.

How can I verify Mami Nishiwaki Martin, M.D.'s license?

NPPES lists Virginia license number 010130869, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Mami Nishiwaki Martin, M.D. prescribe under Medicare Part D?

In 2024, Mami Nishiwaki Martin, M.D. had 69 Medicare Part D claims for 46 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is Mami Nishiwaki Martin, M.D.'s MIPS final score?

The 2023 MIPS final score is 81.3 of 100, reported for the practice group. 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.