NPPES file of Aug 9, 2026

Margaret Merriam, DO

Surgery Physician · Andrews, TX

Margaret Merriam, DO is a surgery physician with a practice address in Andrews, Texas, and NPI 1083867147, issued on Nov 2, 2008. Check the license (Texas Q1225, 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
1083867147
Name
Margaret Merriam
Credential
DO
Primary taxonomy
Surgery Physician 208600000X
License number
Q1225 TX
Self-reported in NPPES; status is on the state search
Practice location
700 Hospital Dr, Andrews, TX 79714
Phone
(432) 523-6624
Enumerated
Nov 2, 2008
Record last updated
Nov 11, 2025
Fax
(432) 524-1129
Medicare enrollment
Enrolled (PECOS I20170310000654); accepts Medicare assignment
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 700 Hospital Dr

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

  1. Larry Allen, FNPFamily Nurse Practitioner1760597033
  2. Shannan ClawsonFamily Nurse Practitioner1972073906
  3. Amanda Compton, M.D.Family Medicine Physician1679953517
  4. Debra Davis, NP-CFamily Nurse Practitioner1033561790
  5. Suhail Daye, M.D.Surgery Physician1639251481
  6. Stephanie Fitzgerald, M.D.Family Medicine Physician1184035313

Verify Margaret Merriam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q1225
    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

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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38% fewer Medicare Part D claims than the average surgery physician in 2024

91 Medicare Part D claims for 39 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Margaret Merriam91
  2. Specialty average147

Most prescribed

  1. Pantoprazole Sodium30 claims
  2. Gavilyte-C14 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.

Bills Medicare through one group practice

  1. Permian Physician ServicesAndrews, TX

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

Margaret Merriam among 2,192 surgery physician records in Texas

Margaret Merriam, DO is one of 2,192 surgery physician records with a practice address in Texas. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 41% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2009 · median 2004 among the 1,350 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 surgery physician records list a practice address in Andrews

They are 3 of the 89 NPPES records with a practice address in Andrews, and 2,192 surgery physician records in Texas.

The 8 surgery physician records with the nearest ZIP codes

  1. Suhail Daye, M.D.Andrews, TX 797141639251481
  2. Carlos Molina, DOAndrews, TX 797141225277833
  3. Alan Abel, MDBig Spring, TX 797201518966829
  4. Kevin Huang, MDBig Spring, TX 797201205014420
  5. Darryl Powell, POWELL DARRYLBig Spring, TX 797201962734053
  6. Shreenivas Vasanawala, M.D.Big Spring, TX 797201710999214
  7. Sriramamurthy Subbaraman, M.D., F.A.C.SMidland, TX 797031255429395
  8. Parker Bassett, DOMidland, TX 797011043599798

Common questions

What is Margaret Merriam, DO's NPI number?

Margaret Merriam, DO's National Provider Identifier (NPI) is 1083867147, issued on Nov 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Merriam, DO located?

The NPPES record lists a practice address at 700 Hospital Dr, Andrews, TX, 79714. Phone: (432) 523-6624. Providers update this record themselves, so call before visiting.

How can I verify Margaret Merriam, DO's license?

NPPES lists Texas license number Q1225, 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 Margaret Merriam, DO prescribe under Medicare Part D?

In 2024, Margaret Merriam, DO had 91 Medicare Part D claims for 39 beneficiaries; the average among surgery physician prescribers was 147. 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.