NPPES file of Aug 9, 2026

Robert Gordon Spencer, MD

Family Medicine Physician · Watonga, OK

Robert Gordon Spencer, MD is a family medicine physician with a practice address in Watonga, Oklahoma, and NPI 1639180318, issued on Aug 10, 2006. Check the license (Oklahoma 23186, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1639180318
Name
Robert Gordon Spencer
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
23186 OK
Self-reported in NPPES; status is on the state search
Practice location
203 N Weigle Ave, Watonga, OK 73772
Phone
(580) 623-2233
Enumerated
Aug 10, 2006
Record last updated
Mar 26, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(580) 623-2232
Medicaid ID
200007580D OK
Medicare enrollment
Enrolled (PECOS I20050827000025); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 2002
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 203 N Weigle Ave

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

  1. James Garner, M.D.Family Medicine Physician1598757510

Verify Robert Gordon Spencer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 23186
    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 Oklahoma 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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93% fewer Medicare Part D claims than the average family medicine physician in 2024

263 Medicare Part D claims for 47 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Robert Spencer263
  2. Specialty average3,544

Most prescribed

  1. Progesterone60 claims
  2. Testosterone Cypionate23 claims
  3. Dextroamphetamine-Amphetamine15 claims
  4. Lisdexamfetamine Dimesylate13 claims
  5. Spironolactone13 claims
  6. Zolpidem Tartrate13 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. The Physicians Group, LLCOklahoma City, OK

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

2 family medicine physician records list a practice address in Watonga

They are 2 of the 76 NPPES records with a practice address in Watonga, and 2,303 family medicine physician records in Oklahoma.

Other family medicine physician records in Oklahoma

  1. Michael Aaron, M.D.Weatherford, OK1700958659
  2. Shams Abbas, MDOklahoma City, OK1639607963
  3. Nicole Abel, DOTulsa, OK1073142022
  4. Robert Abell, MDOklahoma City, OK1336179126
  5. Penny AberOklahoma City, OK1982530432
  6. Bob Abernathy, DOCordell, OK1114920071
  7. Rochelle Ablah, MDOklahoma City, OK1366656647
  8. Alireza Abolmaali Damghani, MDMidwest City, OK1427275775
  9. Akram Abraham, M.D.Hollis, OK1609857754
  10. John Abraham, MDTulsa, OK1962634535

Common questions

What is Robert Gordon Spencer, MD's NPI number?

Robert Gordon Spencer, MD's National Provider Identifier (NPI) is 1639180318, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Gordon Spencer, MD located?

The NPPES record lists a practice address at 203 N Weigle Ave, Watonga, OK, 73772. Phone: (580) 623-2233. Providers update this record themselves, so call before visiting.

How can I verify Robert Gordon Spencer, MD's license?

NPPES lists Oklahoma license number 23186, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Gordon Spencer, MD prescribe under Medicare Part D?

In 2024, Robert Gordon Spencer, MD had 263 Medicare Part D claims for 47 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.