NPPES file of Aug 9, 2026

Mariam Nejati, MD

Family Medicine Physician · Frederick, MD

Mariam Nejati, MD is a family medicine physician with a practice address in Frederick, Maryland, and NPI 1285098574, issued on Apr 12, 2016. Check the license (Maryland D0088067, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1285098574
Name
Mariam Nejati
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
D0088067 MD
218831 NC
Self-reported in NPPES; status is on the state search
Practice location
9093 Ridgefield Dr, Frederick, MD 21701
Phone
(301) 682-4100
Enumerated
Apr 12, 2016
Record last updated
Sep 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191105001989); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 9093 Ridgefield Dr

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

  1. James Amerena, M.D.Family Medicine Physician1912981929
  2. Kelly Beins, BHSC OTRLPediatric Occupational Therapist1326220138
  3. Judith Blum, OTRLPediatric Occupational Therapist1942482773
  4. Janet Ciarkowski, M.D.Family Medicine Physician1366426371
  5. Gregory Demaille, D.C.Chiropractor1902835382
  6. Matilde Facet, D.D.S,General Practice Dentistry1477697464

Verify Mariam Nejati in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0088067
    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
Open the Maryland 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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24% fewer Medicare Part D claims than the average family medicine physician in 2024

2,710 Medicare Part D claims for 221 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 27 claims were for opioids.

  1. Mariam Nejati2,710
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium188 claims
  2. Amlodipine Besylate129 claims
  3. Lisinopril95 claims
  4. Metformin Hcl90 claims
  5. Levothyroxine Sodium81 claims
  6. Losartan Potassium78 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: $735.33

40 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mariam Nejati$735.33
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Frederick Health Hospital IncFrederick, MD
  2. Privia Care Center LLCIjamsville, MD

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

Mariam Nejati among 1,912 family medicine physician records in Maryland

Mariam Nejati, MD is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.

  • NPI issued2016 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2004 among the 1,141 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 family medicine physician records list a practice address in Frederick

They are 65 of the 3,981 NPPES records with a practice address in Frederick, and 1,912 family medicine physician records in Maryland.

The 8 family medicine physician records with the nearest ZIP codes

  1. James Amerena, M.D.Frederick, MD 217011912981929
  2. Janet Ciarkowski, M.D.Frederick, MD 217011366426371
  3. Patrick Farrell, D.O.Frederick, MD 217011053765487
  4. Irfan Hassen, M.D.Frederick, MD 217011073538849
  5. Matthew Lopiano, MDFrederick, MD 217011275283707
  6. Joseph Ashwal, M.D.Frederick, MD 217021508840026
  7. Barbara Brookmyer, M.D.Frederick, MD 217021548259203
  8. Gerard Delgrippo, M.D.Frederick, MD 217021447233234

Common questions

What is Mariam Nejati, MD's NPI number?

Mariam Nejati, MD's National Provider Identifier (NPI) is 1285098574, issued on Apr 12, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mariam Nejati, MD located?

The NPPES record lists a practice address at 9093 Ridgefield Dr, Frederick, MD, 21701. Phone: (301) 682-4100. Providers update this record themselves, so call before visiting.

How can I verify Mariam Nejati, MD's license?

NPPES lists Maryland license number D0088067, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mariam Nejati, MD prescribe under Medicare Part D?

In 2024, Mariam Nejati, MD had 2,710 Medicare Part D claims for 221 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.