Howard Alan Grossman, M.D.
Internal Medicine Physician · Phoenix, AZ
Howard Alan Grossman, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1710951694, issued on Feb 15, 2006. Check the license (Arizona 76862, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Howard Alan Grossman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 76862 AZ
22999 NV
162479 NY
Self-reported in NPPES; status is on the state search - Practice location
- 52 E Monterey Way, Phoenix, AZ 85012
- Phone
- (602) 604-9500
- Enumerated
- Feb 15, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (602) 631-9303
- Medicare enrollment
- Enrolled (PECOS I20250620000178); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 52 E Monterey Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Zazzarino, MSN, FNP-BCFamily Nurse Practitioner1407308000
Verify Howard Alan Grossman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 76862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,419 Medicare Part D claims for 185 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium89 claims
- Amlodipine Besylate86 claims
- Losartan Potassium71 claims
- Levothyroxine Sodium49 claims
- Metformin Hcl49 claims
- Tamsulosin Hcl35 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: $949.88
30 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Spectrum Medical Care CenterPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Howard Alan Grossman among 2,853 internal medicine physician records in Arizona
Howard Alan Grossman, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% 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, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1983 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 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 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
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- Darren Deering, D.O.Phoenix, AZ 850121649200726
- Michael Garrett, M.D.Phoenix, AZ 850121245260603
- Christopher Kurtz, M.D.Phoenix, AZ 850121417909482
- Maria-Teresa Laurel, MDPhoenix, AZ 850121588618672
- Amanda Modesta Keyhani, MDPhoenix, AZ 850121316993371
Common questions
What is Howard Alan Grossman, M.D.'s NPI number?
Howard Alan Grossman, M.D.'s National Provider Identifier (NPI) is 1710951694, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Howard Alan Grossman, M.D. located?
The NPPES record lists a practice address at 52 E Monterey Way, Phoenix, AZ, 85012. Phone: (602) 604-9500. Providers update this record themselves, so call before visiting.
How can I verify Howard Alan Grossman, M.D.'s license?
NPPES lists Arizona license number 76862, 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 Howard Alan Grossman, M.D. prescribe under Medicare Part D?
In 2024, Howard Alan Grossman, M.D. had 1,419 Medicare Part D claims for 185 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.