NPPES file of Aug 9, 2026

Samuel Philip Marynick, M.D.

Endocrinology, Diabetes & Metabolism Physician · Dallas, TX

Samuel Philip Marynick, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Dallas, Texas, and NPI 1801854187, issued on May 3, 2006. Check the license (Texas D9557, as entered in NPPES) on the Texas Medical Board; 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
1801854187
Name
Samuel Philip Marynick
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
D9557 TX
Self-reported in NPPES; status is on the state search
Practice location
3600 Gaston Ave, Dallas, TX 75246
Phone
(214) 828-2444
Enumerated
May 3, 2006
Record last updated
Jul 13, 2026
Fax
(214) 821-5015
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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8 nearest endocrinology, diabetes & metabolism physician records → All 743 in Texas → Look up another NPI →

Also registered at 3600 Gaston Ave

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

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  2. Paul Aggarwal, MDCardiovascular Disease Physician1740228063
  3. Ashley Agura, PA-CMedical Physician Assistant1871988519
  4. Abrar Ahmad, MDHospitalist Physician1346270634
  5. Tanveer Ahmed, MDCritical Care Medicine (Internal Medicine) Physician1265491724
  6. Lisette Alfaro-Berg, MDHospitalist Physician1437189727

Verify Samuel Philip Marynick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license D9557    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 Texas license search

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34% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,740 Medicare Part D claims for 118 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Samuel Marynick1,740
  2. Specialty average2,630

Most prescribed

  1. Synthroid220 claims
  2. Liothyronine Sodium112 claims
  3. Pravastatin Sodium84 claims
  4. Metformin Hcl80 claims
  5. Estradiol (Twice Weekly)46 claims
  6. Pioglitazone Hcl45 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: $176.43

18 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samuel Marynick$176.43
  2. Specialty average$5,742.15

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

Samuel Philip Marynick among 743 endocrinology, diabetes & metabolism physician records in Texas

Samuel Philip Marynick, M.D. is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 61% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 75% of these records are
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Texas

There are 743 endocrinology, diabetes & metabolism physician records in Texas.

All 743 in Texas → Every provider in Dallas → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Ajikumar Aryangat, M.D.Dallas, TX 752461407971856
  2. Howard Heller, MDDallas, TX 752461538129424
  3. Priscilla Hollander, PH.D, M.D.Dallas, TX 752461417988098
  4. Minh-Da LeDallas, TX 752461336502749
  5. Lipi Marion, MDDallas, TX 752461407319981
  6. Alok Mohan, MDDallas, TX 752461841240355
  7. Erin Roe, MDDallas, TX 752461174726590
  8. Rebecca Short, M.D.Dallas, TX 752461932542776

Common questions

What is Samuel Philip Marynick, M.D.'s NPI number?

Samuel Philip Marynick, M.D.'s National Provider Identifier (NPI) is 1801854187, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Philip Marynick, M.D. located?

The NPPES record lists a practice address at 3600 Gaston Ave, Dallas, TX, 75246. Phone: (214) 828-2444. Providers update this record themselves, so call before visiting.

How can I verify Samuel Philip Marynick, M.D.'s license?

NPPES lists Texas license number D9557, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Samuel Philip Marynick, M.D. prescribe under Medicare Part D?

In 2024, Samuel Philip Marynick, M.D. had 1,740 Medicare Part D claims for 118 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.