NPPES file of Aug 9, 2026

Allergy & Immunology Physician in Oklahoma

19 NPPES records list allergy & immunology physician with a practice address in Oklahoma, 0.5 per 100,000 residents, the 48th highest rate of 51. Oklahoma City and Tulsa have the most; each record links to the provider's NPI and the Oklahoma license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207K00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Oklahoma City has the most, 8

  1. Oklahoma City8
  2. Tulsa5
  3. Broken Arrow2
  4. Edmond1
  5. Enid1

Allergy & Immunology Physician records in Oklahoma

  1. Dean Atkinson, MDOklahoma City, OK 731041700883808
  2. John Bozalis, MDOklahoma City, OK 731041881691921
  3. Terence Carey, M.D.Tulsa, OK 741361003998816
  4. Amy Darter, M.D.Oklahoma City, OK 731311336109750
  5. Warren Filley, M.D.Oklahoma City, OK 731041982601035
  6. Christopher Gifford, MDTulsa, OK 741361578562336
  7. Mark Hamra, M.D.Broken Arrow, OK 740121164428215
  8. Richard Hatch, MDOklahoma City, OK 731041871590984
  9. Bret Haymore, MDBroken Arrow, OK 740121376503102
  10. Weyman LamTulsa, OK 741361225442130
  11. Aisha Mohammed, MDLawton, OK 735051942721543
  12. Michelle Montalbano, M.D.Tulsa, OK 741361437104544
  13. Patricia Overhulser, M.D.Oklahoma City, OK 731041053318162
  14. Wallace Pratt, MDShawnee, OK 748041831146851
  15. Shahan Stutes, M.D.Oklahoma City, OK 731041386867646
  16. Timothy Trojan, MDEnid, OK 737031518125053
  17. Nalin U.g., D.O,Edmond, OK 730131285016493
  18. James Wells, MDOklahoma City, OK 731041821096488
  19. Lynn Wiens, MDTulsa, OK 741361861465916

Source: CMS NPPES, primary taxonomy 207K00000X: records by practice city and the list of records, file of Aug 9, 2026.

Oklahoma ranks 48 of 51 per resident

  1. Missouri0.6
  2. Alabama0.5
  3. Nevada0.5
  4. Oklahoma0.5
  5. Idaho0.4
  6. Wyoming0.3
  7. 50 states and D.C.1.2

Source: CMS NPPES, primary taxonomy 207K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

68.4% of these records appear in a Medicare file, against 80.0% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Oklahoma68.4%
  2. United States80.0%

Allergy & Immunology Physician records in Oklahoma, measured

  • In a Medicare file13 of 19 · 68.4% here, 80.0% nationally
  • In the CMS Doctors and Clinicians file12 · 63.2% here, 65.7% nationally
  • Not updated in five years or more13 · 68.4% here, 57.3% nationally
  • Median graduation year1998 · the 12 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

19 NPPES records list allergy & immunology physician (207K00000X) as their primary taxonomy with a practice address in Oklahoma: 0.5 per 100,000 residents against 1.2 nationally (50 states and D.C.). Oklahoma City has 8 of them (42%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. District of Columbia20
  2. Nebraska20
  3. New Mexico18
  4. Hawaii17

States with a similar rate per 100,000

  1. Nevada0.5
  2. Alabama0.5
  3. Puerto Rico0.5
  4. Missouri0.6

The largest states

  1. California444
  2. Texas327
  3. New York311
  4. Florida204
  5. Pennsylvania183

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.