Matthew Herrmann, M.D.
Rheumatology Physician · Phoenix, AZ
Matthew Herrmann, M.D. is a rheumatology physician with a practice address in Phoenix, Arizona, and NPI 1508251091, issued on Apr 1, 2015. Check the license (Arizona 59895, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Herrmann
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 59895 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4550 E Bell RD Ste 170, Phoenix, AZ 85032
- Phone
- (480) 443-8400
- Enumerated
- Apr 1, 2015
- Record last updated
- Jun 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20200810002576); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 117 in Arizona → Look up another NPI →
Also registered at 4550 E Bell RD Ste 170
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rana Aoufe, P.A.-C.Medical Physician Assistant1700218609
- Anne Bourgeois, NPCGerontology Nurse Practitioner1568829554
- Seth Clark, DPMPodiatrist1669811915
- Sophie Duchesne, PA-CMedical Physician Assistant1093572695
- Danielle Hartle, PA-CMedical Physician Assistant1073795530
- Randy Jay, P.A.Physician Assistant1285707760
Verify Matthew Herrmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 59895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,907 Medicare Part D claims for 516 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 58 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate394 claims
- Methotrexate314 claims
- Prednisone297 claims
- Gabapentin54 claims
- Tramadol Hcl51 claims
- Pregabalin48 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: $2,630.44
138 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Arizona Arthritis And Rheumatology Associates P CPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Herrmann among 117 rheumatology physician records in Arizona
Matthew Herrmann, M.D. is one of 117 rheumatology physician records with a practice address in Arizona. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 80% of them.
- NPI issued2015 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2015 · median 2001 among the 83 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Arizona
There are 117 rheumatology physician records in Arizona.
All 117 in Arizona → Every provider in Phoenix → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Swati Bharadwaj, MD, MPHPhoenix, AZ 850321194771931
- Paul Caldron, DOPhoenix, AZ 850321366433070
- Saima Chohan, MDPhoenix, AZ 850321073675526
- Ramina Jajoo Frindrich, MDPhoenix, AZ 850321326039124
- Nikila Kumar, M.D.Phoenix, AZ 850321295095495
- Thomas Disney, M.D.Phoenix, AZ 850281134337918
- Dimpy Kapoor, M.D.Phoenix, AZ 850371003826926
- Nehad Soloman, M.D.Phoenix, AZ 850371356302962
Common questions
What is Matthew Herrmann, M.D.'s NPI number?
Matthew Herrmann, M.D.'s National Provider Identifier (NPI) is 1508251091, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Herrmann, M.D. located?
The NPPES record lists a practice address at 4550 E Bell RD Ste 170, Phoenix, AZ, 85032. Phone: (480) 443-8400. Providers update this record themselves, so call before visiting.
How can I verify Matthew Herrmann, M.D.'s license?
NPPES lists Arizona license number 59895, 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 Matthew Herrmann, M.D. prescribe under Medicare Part D?
In 2024, Matthew Herrmann, M.D. had 1,907 Medicare Part D claims for 516 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.