Walter Nicholas Gaman, MD
Family Medicine Physician · Irving, TX
Walter Nicholas Gaman, MD is a family medicine physician with a practice address in Irving, Texas, and NPI 1780650291, issued on Feb 24, 2006. Check the license (Texas G8701, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Walter Nicholas Gaman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G8701 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6161 N State Highway 161, Irving, TX 75038
- Phone
- (972) 258-7499
- Enumerated
- Feb 24, 2006
- Record last updated
- Aug 24, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (972) 257-0897
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 6161 N State Highway 161
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Anderson, MDFamily Medicine Physician1225004351
- Maria Biard, MDFamily Medicine Physician1073589586
- Terrence Feehery, DOFamily Medicine Physician1821060559
- Mimi Idicula, NPNurse Practitioner1003009580
- George Jones, RPHPharmacist1154952133
- Jeremy Liesveld, DC, FNP-CFamily Nurse Practitioner1417287046
Verify Walter Nicholas Gaman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G8701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
451 Medicare Part D claims for 55 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium37 claims
- Tamsulosin Hcl29 claims
- Hydrocodone-Acetaminophen22 claims
- Rosuvastatin Calcium22 claims
- Diltiazem 24hr Er (Cd)20 claims
- Alprazolam15 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: $13.23
1 payment: 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Walter Nicholas Gaman among 11,119 family medicine physician records in Texas
Walter Nicholas Gaman, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2018 · 51% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
90 family medicine physician records list a practice address in Irving
They are 90 of the 3,532 NPPES records with a practice address in Irving, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Irving → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Anderson, MDIrving, TX 750381225004351
- Maria Biard, MDIrving, TX 750381073589586
- Eugene Carsia, DOIrving, TX 750381144308305
- David Deems, MDIrving, TX 750381346216850
- Thomas Diaz, M.D.Irving, TX 750381053423004
- Terrence Feehery, DOIrving, TX 750381821060559
- Myra Gillean, MDIrving, TX 750381225046931
- John Martin, MDIrving, TX 750381881645646
Common questions
What is Walter Nicholas Gaman, MD's NPI number?
Walter Nicholas Gaman, MD's National Provider Identifier (NPI) is 1780650291, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Nicholas Gaman, MD located?
The NPPES record lists a practice address at 6161 N State Highway 161, Irving, TX, 75038. Phone: (972) 258-7499. Providers update this record themselves, so call before visiting.
How can I verify Walter Nicholas Gaman, MD's license?
NPPES lists Texas license number G8701, 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 Walter Nicholas Gaman, MD prescribe under Medicare Part D?
In 2024, Walter Nicholas Gaman, MD had 451 Medicare Part D claims for 55 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.