Gary Grossman, M.D.
NPI 1487679445 · Internal Medicine Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Grossman, M.D. is a Internal Medicine Physician provider in Las Vegas, NV (NPI 1487679445).
Provider details
- NPI number
- 1487679445
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6261 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,152 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 744 | $124 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 703 | $47 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 584 | $87 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 375 | $61 |
| Ultrasound Study of Arm and Leg Arteries93922 | 305 | $80 |
| Advance Care Planning, First 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 166 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 805 | 248 |
| Levothyroxine Sodium | 689 | 181 |
| Amlodipine Besylate | 598 | 159 |
| Lisinopril | 464 | 132 |
| Alprazolam | 433 | 78 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 430 | 71 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,156 across 60 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
- 2006-07-12
- Last updated
- 2023-10-02
- Certified
- 2023-10-02
Frequently asked questions
- What is Gary Grossman's NPI number?
- Gary Grossman's National Provider Identifier (NPI) is 1487679445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Grossman's specialty?
- Gary Grossman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Grossman located?
- Gary Grossman's practice location on file with NPPES is 201 N Buffalo Dr, Las Vegas, NV 89145-0373.
- What is Gary Grossman's phone number?
- The practice phone number listed in the NPPES registry for Gary Grossman is (702) 242-2737.
- Does Gary Grossman accept Medicare?
- Gary Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Grossman's NPI active?
- Yes — Gary Grossman's NPI (1487679445) is active in the NPPES registry as of the last update on 2023-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.