NPPES file of Aug 9, 2026

Diane D. Johnston, M.D.

Family Medicine Physician · Muskogee, OK

Diane D. Johnston, M.D. is a family medicine physician with a practice address in Muskogee, Oklahoma, and NPI 1861597197, issued on Sep 13, 2006. Check the license (Oklahoma 12816, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861597197
Name
Diane D. Johnston
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
12816 OK
E-0674 AR
Self-reported in NPPES; status is on the state search
Practice location
2822 Irving St, Muskogee, OK 74403
Phone
(918) 682-9376
Enumerated
Sep 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(918) 781-7749
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Diane D. Johnston 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 12816
    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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Diane D. Johnston among 2,303 family medicine physician records in Oklahoma

Diane D. Johnston, M.D. 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 not. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 53% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2007 · 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).

31 family medicine physician records list a practice address in Muskogee

They are 31 of the 1,769 NPPES records with a practice address in Muskogee, and 2,303 family medicine physician records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Constance Baker, MDMuskogee, OK 744031598415200
  2. Dona Davis, ARNPMuskogee, OK 744031528071032
  3. Harold Demoss, M.D.Muskogee, OK 744031245227420
  4. Jimmie Hill, DOMuskogee, OK 744031528396546
  5. Gary Lambert, DOMuskogee, OK 744031619068715
  6. Leticea Newton, MDMuskogee, OK 744031265422281
  7. Patrice Pace, DOMuskogee, OK 744031164561270
  8. Jana Smith, MDMuskogee, OK 744031427360437

Common questions

What is Diane D. Johnston, M.D.'s NPI number?

Diane D. Johnston, M.D.'s National Provider Identifier (NPI) is 1861597197, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diane D. Johnston, M.D. located?

The NPPES record lists a practice address at 2822 Irving St, Muskogee, OK, 74403. Phone: (918) 682-9376. Providers update this record themselves, so call before visiting.

How can I verify Diane D. Johnston, M.D.'s license?

NPPES lists Oklahoma license number 12816, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.