NPPES file of Aug 9, 2026

Phonekeo Khamvanthong, MD

Family Medicine Physician · Enid, OK

Phonekeo Khamvanthong, MD is a family medicine physician with a practice address in Enid, Oklahoma, and NPI 1750519922, issued on Jun 26, 2009. Check the license 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
1750519922
Name
Phonekeo Khamvanthong
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
TP911 KY
Self-reported in NPPES; status is on the state search
Practice location
3517 W Owen K Garriott RD Ste 4, Enid, OK 73703
Phone
(580) 233-5553
Enumerated
Jun 26, 2009
Record last updated
Dec 14, 2022
Fax
(859) 260-4350
Medicare enrollment
Enrolled (PECOS I20230213000691); 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 3517 W Owen K Garriott RD Ste 4

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

  1. Emily Cooper, M.D.Family Medicine Physician1003182650
  2. Renah Gibson, DOFamily Medicine Physician1972947943
  3. Richard Rivers, MDFamily Medicine Physician1609965136
  4. Barbara Whinery, MDFamily Medicine Physician1407946452

Verify Phonekeo Khamvanthong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and SupervisionCheck 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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38% more Medicare Part D claims than the average family medicine physician in 2024

4,900 Medicare Part D claims for 308 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 155 claims were for opioids.

  1. Phonekeo Khamvanthong4,900
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium212 claims
  2. Atorvastatin Calcium188 claims
  3. Lisinopril155 claims
  4. Ozempic152 claims
  5. Gabapentin113 claims
  6. Amlodipine Besylate110 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: $114.85

7 payments; by number, the most common kind was 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.

  1. Phonekeo Khamvanthong$114.85
  2. Specialty average$902.55

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

Bills Medicare through 2 group practices

  1. Advanced Internal Medicine Group PCPortland, OR
  2. St Marys Physician Associates LLCEnid, OK

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

Phonekeo Khamvanthong among 2,303 family medicine physician records in Oklahoma

Phonekeo Khamvanthong, MD is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 56% of them.

  • NPI issued2009 · 56% of these records are older, 41% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2009 · median 2008 among the 1,407 with a school on file
  • Record last updated2022 · 60% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 family medicine physician records list a practice address in Enid

They are 48 of the 1,110 NPPES records with a practice address in Enid, and 2,303 family medicine physician records in Oklahoma.

The 8 family medicine physician records with the nearest ZIP codes

  1. Robi Chatterji, M.D.Enid, OK 737031750322459
  2. Casey Cochran, DOEnid, OK 737031821433681
  3. Emily Cooper, M.D.Enid, OK 737031003182650
  4. Renah Gibson, DOEnid, OK 737031972947943
  5. Richard Hromas, M.D.Enid, OK 737031619976750
  6. Jeffrey Jones, DOEnid, OK 737031295735355
  7. Bobby Kang, D.O.Enid, OK 737031538364005
  8. Jon Mills, DOEnid, OK 737031952627069

Common questions

What is Phonekeo Khamvanthong, MD's NPI number?

Phonekeo Khamvanthong, MD's National Provider Identifier (NPI) is 1750519922, issued on Jun 26, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Phonekeo Khamvanthong, MD located?

The NPPES record lists a practice address at 3517 W Owen K Garriott RD Ste 4, Enid, OK, 73703. Phone: (580) 233-5553. Providers update this record themselves, so call before visiting.

How can I verify Phonekeo Khamvanthong, MD's license?

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 Phonekeo Khamvanthong, MD prescribe under Medicare Part D?

In 2024, Phonekeo Khamvanthong, MD had 4,900 Medicare Part D claims for 308 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.