NPPES file of Aug 9, 2026

Marta Gryniuk, MD

Internal Medicine Physician · Washington Court House, OH

Marta Gryniuk, MD is an internal medicine physician with a practice address in Washington Court House, Ohio, and NPI 1538164595, issued on Jun 16, 2005. Check the license (Ohio 35072645, as entered in NPPES) on the State Medical Board of Ohio; 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
1538164595
Name
Marta Gryniuk
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35072645 OH
Self-reported in NPPES; status is on the state search
Practice location
1510 Columbus Ave, Washington Court House, OH 43160
Phone
(740) 333-3333
Enumerated
Jun 16, 2005
Record last updated
Jul 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(740) 333-5171
Medicaid ID
2062986 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1510 Columbus Ave

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

  1. Judith Boris, FNPFamily Nurse Practitioner1962453894
  2. David Gunderman, MDFamily Medicine Physician1508861246
  3. Nanci Haecker, C.N.PFamily Nurse Practitioner1558679126
  4. Emily Johnson, M.D.Family Medicine Physician1659545945
  5. Karen Logeman, CNPNurse Practitioner1275624173
  6. Jeannette Morgan, MDFamily Medicine Physician1386662682

Verify Marta Gryniuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35072645
    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 Ohio 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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3.1 times the Medicare Part D claims of the average internal medicine physician in 2024

9,825 Medicare Part D claims for 641 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 386 claims were for opioids.

  1. Marta Gryniuk9,825
  2. Specialty average3,176

Most prescribed

  1. Gabapentin588 claims
  2. Atorvastatin Calcium520 claims
  3. Lisinopril362 claims
  4. Omeprazole342 claims
  5. Levothyroxine Sodium302 claims
  6. Amlodipine Besylate253 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: $1,445.99

75 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Marta Gryniuk$1,445.99
  2. Specialty average$1,303.06

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

Marta Gryniuk among 5,277 internal medicine physician records in Ohio

Marta Gryniuk, MD is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2020 · 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 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 internal medicine physician records list a practice address in Washington Court House

They are 4 of the 321 NPPES records with a practice address in Washington Court House, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Shahed Hasnat, MDWashington Court House, OH 431601770915951
  2. Mark Hodges, MDWashington Court House, OH 431601710974209
  3. Loliya Idoniboye, D.O, MPHWashington Court House, OH 431601942430988
  4. Zafar Awan, MDPickerington, OH 431471831280825
  5. Shadi Jurdi, MDPickerington, OH 431471427218064
  6. Sonya Peppers, MDPickerington, OH 431471588604672
  7. Nishant Dagli, M.D.London, OH 431401194173864
  8. Yoichi Imamura, MDLondon, OH 431401679687479

Common questions

What is Marta Gryniuk, MD's NPI number?

Marta Gryniuk, MD's National Provider Identifier (NPI) is 1538164595, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marta Gryniuk, MD located?

The NPPES record lists a practice address at 1510 Columbus Ave, Washington Court House, OH, 43160. Phone: (740) 333-3333. Providers update this record themselves, so call before visiting.

How can I verify Marta Gryniuk, MD's license?

NPPES lists Ohio license number 35072645, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marta Gryniuk, MD prescribe under Medicare Part D?

In 2024, Marta Gryniuk, MD had 9,825 Medicare Part D claims for 641 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.