Howard Grossman, M.D.
NPI 1710951694 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Grossman, M.D. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1710951694).
Provider details
- NPI number
- 1710951694
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22999 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 89 | 41 |
| Amlodipine Besylate | 86 | 25 |
| Losartan Potassium | 71 | 28 |
| Levothyroxine Sodium | 49 | 22 |
| Metformin Hcl | 49 | 19 |
| Tamsulosin Hcl | 35 | 12 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$950 across 30 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is Howard Grossman's NPI number?
- Howard Grossman's National Provider Identifier (NPI) is 1710951694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Grossman's specialty?
- Howard Grossman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Grossman located?
- Howard Grossman's practice location on file with NPPES is 52 E Monterey Way, Phoenix, AZ 85012-2628.
- What is Howard Grossman's phone number?
- The practice phone number listed in the NPPES registry for Howard Grossman is (602) 604-9500.
- Does Howard Grossman accept Medicare?
- Howard Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Grossman's NPI active?
- Yes — Howard Grossman's NPI (1710951694) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.