Jason L. Grimsman, D.O.
Emergency Medicine Physician · Phoenix, AZ
Jason L. Grimsman, D.O. is an emergency medicine physician with a practice address in Phoenix, Arizona, and NPI 1184913717, issued on Apr 5, 2011. Check the license (Arizona 6381, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jason L. Grimsman
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 6381 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9201 W Thomas RD, Phoenix, AZ 85037
- Phone
- (623) 327-4040
- Enumerated
- Apr 5, 2011
- Record last updated
- Nov 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 9201 W Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohemmedd Khalid AbbasHospitalist Physician1316366651
- Ahmad Abdulmajid, MDInternal Medicine Physician1114556123
- Sirajunnisa Abusalih, MDInternal Medicine Physician1912031642
- Rajeev Achari, MDHospitalist Physician1508817842
- Charlie Agee, M.D.Gynecology Physician1396867065
- Ihsan Al Bayati, MDHospitalist Physician1992445373
Verify Jason L. Grimsman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 6381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average emergency medicine physician in 2024
194 Medicare Part D claims for 141 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 20 claims were for opioids.
Most prescribed
- Cefdinir25 claims
- Prednisone16 claims
- Amoxicillin-Clavulanate Potass15 claims
- Azithromycin15 claims
- Ondansetron Odt11 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): 93.4 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: $122.70
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Jason L. Grimsman among 1,494 emergency medicine physician records in Arizona
Jason L. Grimsman, D.O. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 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 2011, is newer than 53% of them.
- NPI issued2011 · 53% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
394 emergency medicine physician records list a practice address in Phoenix
They are 394 of the 31,399 NPPES records with a practice address in Phoenix, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Phoenix → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ryan Bither, MDPhoenix, AZ 850371023710191
- Emily Hansen, MDPhoenix, AZ 850371477967719
- Kristen McKinnon Shaw, M.D.Phoenix, AZ 850371316289150
- Thomas Bell, D.O.Phoenix, AZ 850351841212024
- Vincent Byrne, MDPhoenix, AZ 850331659344976
- Jessica Anderson, M.D.Phoenix, AZ 850321851689384
- Autumn Armstrong, D.O.Phoenix, AZ 850321073924023
- Sara Beckett, MDPhoenix, AZ 850321588009120
Common questions
What is Jason L. Grimsman, D.O.'s NPI number?
Jason L. Grimsman, D.O.'s National Provider Identifier (NPI) is 1184913717, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jason L. Grimsman, D.O. located?
The NPPES record lists a practice address at 9201 W Thomas RD, Phoenix, AZ, 85037. Phone: (623) 327-4040. Providers update this record themselves, so call before visiting.
How can I verify Jason L. Grimsman, D.O.'s license?
NPPES lists Arizona license number 6381, 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 Jason L. Grimsman, D.O. prescribe under Medicare Part D?
In 2024, Jason L. Grimsman, D.O. had 194 Medicare Part D claims for 141 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Jason L. Grimsman, D.O.'s MIPS final score?
The 2023 MIPS final score is 93.4 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.