Nathan Strandmark, D.O.
Family Medicine Physician · Tulsa, OK
Nathan Strandmark, D.O. is a family medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1457428518, issued on Nov 30, 2006. Check the license (Oklahoma 7211, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Nathan Strandmark
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 7211 OK
Self-reported in NPPES; status is on the state search - Practice location
- 7912 E 31St CT Ste 300, Tulsa, OK 74145
- Phone
- (918) 743-8200
- Enumerated
- Nov 30, 2006
- Record last updated
- Dec 22, 2025
- Fax
- (918) 743-8609
- Medicaid ID
- 100088530 KS
- Medicare enrollment
- Enrolled (PECOS I20210715000099); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2004
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Verify Nathan Strandmark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 7211Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
546 Medicare Part D claims for 146 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium57 claims
- Losartan Potassium25 claims
- Levothyroxine Sodium23 claims
- Amlodipine Besylate22 claims
- Potassium Chloride21 claims
- Atorvastatin Calcium20 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: $657.64
38 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.
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
- National Family Medical Associates, LLCTulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Strandmark among 2,303 family medicine physician records in Oklahoma
Nathan Strandmark, 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
- Graduated2004 · median 2008 among the 1,407 with a school on file
- Record last updated2025 · 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).
388 family medicine physician records list a practice address in Tulsa
They are 388 of the 18,643 NPPES records with a practice address in Tulsa, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Tulsa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brian Berryman, DOTulsa, OK 741451184614919
- Jeffrey Chasteen, DOTulsa, OK 741451427081520
- Michael Foster, MDTulsa, OK 741451548224710
- David Griffiths, MDTulsa, OK 741451366406076
- Chandan Lad, M.D.Tulsa, OK 741451164409025
- Lawrence Lieberman, MDTulsa, OK 741451609859982
- Robert Mahaffey, MDTulsa, OK 741451013971191
- Kenneth Muckala, M.D.Tulsa, OK 741451649233321
Common questions
What is Nathan Strandmark, D.O.'s NPI number?
Nathan Strandmark, D.O.'s National Provider Identifier (NPI) is 1457428518, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Strandmark, D.O. located?
The NPPES record lists a practice address at 7912 E 31St CT Ste 300, Tulsa, OK, 74145. Phone: (918) 743-8200. Providers update this record themselves, so call before visiting.
How can I verify Nathan Strandmark, D.O.'s license?
NPPES lists Oklahoma license number 7211, 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 Nathan Strandmark, D.O. prescribe under Medicare Part D?
In 2024, Nathan Strandmark, D.O. had 546 Medicare Part D claims for 146 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.