NPPES file of Aug 9, 2026

Marc J. Davis, D.O.

Family Medicine Physician · Ada, OK

Marc J. Davis, D.O. is a family medicine physician with a practice address in Ada, Oklahoma, and NPI 1194763060, issued on Jun 3, 2006. Check the license (Oklahoma 3540, 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
1194763060
Name
Marc J. Davis
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
3540 OK
Self-reported in NPPES; status is on the state search
Practice location
530 N Monte Vista St, Ada, OK 74820
Phone
(580) 310-9510
Enumerated
Jun 3, 2006
Record last updated
Sep 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(580) 436-4447
Medicaid ID
100097410A OK
Medicare enrollment
Enrolled (PECOS I20100129000540); accepts Medicare assignment
Medical or professional school
Oklahoma State University College Of Osteopathic Medicine, 1991
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 530 N Monte Vista St

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

  1. Sherry Heck, PACPhysician Assistant1619954690
  2. Christopher Meyer, M.D.Family Medicine Physician1831144658

Verify Marc J. Davis 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 3540
    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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99% more Medicare Part D claims than the average family medicine physician in 2024

7,057 Medicare Part D claims for 553 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 188 claims were for opioids.

  1. Marc Davis7,057
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium361 claims
  2. Lisinopril281 claims
  3. Atorvastatin Calcium264 claims
  4. Gabapentin232 claims
  5. Amlodipine Besylate212 claims
  6. Furosemide183 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: $78.31

5 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. Marc Davis$78.31
  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 one group practice

  1. Mercy Clinic Oklahoma CommunitiesOklahoma City, OK

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

Marc J. Davis among 2,303 family medicine physician records in Oklahoma

Marc J. Davis, D.O. 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1991 · median 2008 among the 1,407 with a school on file
  • Record last updated2020 · 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).

46 family medicine physician records list a practice address in Ada

They are 46 of the 1,141 NPPES records with a practice address in Ada, and 2,303 family medicine physician records in Oklahoma.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nicholas Bentley, D.O.Ada, OK 748201932173671
  2. Joanne Chinnici, DOAda, OK 748201174500946
  3. Tina Cooper, MDAda, OK 748201902882749
  4. Mitchell Davis, MDAda, OK 748201346227113
  5. Curtis Harris, MDAda, OK 748201235116013
  6. H Howell, MDAda, OK 748201700864147
  7. Tammy Jarvis, D.O.Ada, OK 748201629074992
  8. John Krueger, M.D.Ada, OK 748201285600262

Common questions

What is Marc J. Davis, D.O.'s NPI number?

Marc J. Davis, D.O.'s National Provider Identifier (NPI) is 1194763060, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc J. Davis, D.O. located?

The NPPES record lists a practice address at 530 N Monte Vista St, Ada, OK, 74820. Phone: (580) 310-9510. Providers update this record themselves, so call before visiting.

How can I verify Marc J. Davis, D.O.'s license?

NPPES lists Oklahoma license number 3540, 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 Marc J. Davis, D.O. prescribe under Medicare Part D?

In 2024, Marc J. Davis, D.O. had 7,057 Medicare Part D claims for 553 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.