Samuel Mark Harmsen, M.D.
Orthopaedic Surgery Physician · Phoenix, AZ
Samuel Mark Harmsen, M.D. is an orthopaedic surgery physician with a practice address in Phoenix, Arizona, and NPI 1528297306, issued on Jul 14, 2009. Check the license (Arizona R71548, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Samuel Mark Harmsen
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- R71548 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2222 E Highland Ave, Phoenix, AZ 85016
- Phone
- (602) 512-8558
- Enumerated
- Jul 14, 2009
- Record last updated
- Aug 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151016001669); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 462 in Arizona → Look up another NPI →
Also registered at 2222 E Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gustavo Armendariz, MDOrthopaedic Surgery Physician1992780910
- Puja Athalye, DPTPhysical Therapist1104872829
- Christine Badiola, PTOrthopedic Physical Therapist1134313299
- Joseph Blazuk, MDPhysical Medicine & Rehabilitation Physician1528379955
- Chad Bohls, M.S. ATCAthletic Trainer1750424818
- Michael Brennan, MD PCOrthopaedic Surgery Physician1396714762
Verify Samuel Mark Harmsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R71548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
26 Medicare Part D claims for 24 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Methylprednisolone11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $123,140.07
95 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Toca AT Banner Health LLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel Mark Harmsen among 462 orthopaedic surgery physician records in Arizona
Samuel Mark Harmsen, M.D. is one of 462 orthopaedic surgery physician records with a practice address in Arizona. 76% 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 64% of them.
- NPI issued2009 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2009 · median 2003 among the 281 with a school on file
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Arizona
There are 462 orthopaedic surgery physician records in Arizona.
All 462 in Arizona → Every provider in Phoenix → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Gustavo Armendariz, MDPhoenix, AZ 850161992780910
- Gary Boston, M.D.Phoenix, AZ 850161063414241
- Michael Brennan, MD PCPhoenix, AZ 850161396714762
- Thomas Carter, MDPhoenix, AZ 850161255316287
- Matthew Cocking, PAPhoenix, AZ 850161346299906
- Peter Cummings, MDPhoenix, AZ 850161942285978
- Michael Dersam, MDPhoenix, AZ 850161477539302
- Joseph Haber, MDPhoenix, AZ 850161467438457
Common questions
What is Samuel Mark Harmsen, M.D.'s NPI number?
Samuel Mark Harmsen, M.D.'s National Provider Identifier (NPI) is 1528297306, issued on Jul 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Mark Harmsen, M.D. located?
The NPPES record lists a practice address at 2222 E Highland Ave, Phoenix, AZ, 85016. Phone: (602) 512-8558. Providers update this record themselves, so call before visiting.
How can I verify Samuel Mark Harmsen, M.D.'s license?
NPPES lists Arizona license number R71548, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Samuel Mark Harmsen, M.D. prescribe under Medicare Part D?
In 2024, Samuel Mark Harmsen, M.D. had 26 Medicare Part D claims for 24 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Samuel Mark Harmsen, M.D.'s MIPS final score?
The 2023 MIPS final score is 80 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.