Gregory Bryan, M.D.
NPI 1598765984 · Specialist · Las Vegas, NV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Bryan, M.D. is a Specialist provider in Las Vegas, NV (NPI 1598765984).
Provider details
- NPI number
- 1598765984
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7997 (NV)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
48 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $125 |
Typical Medicare-allowed amounts for these services range $89–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 313 | 147 |
| Metformin Hcl | 163 | 76 |
| Lisinopril | 152 | 73 |
| Losartan Potassium | 128 | 59 |
| Levothyroxine Sodium | 121 | 48 |
| Gabapentin | 113 | 61 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2010-09-30
Frequently asked questions
- What is Gregory Bryan's NPI number?
- Gregory Bryan's National Provider Identifier (NPI) is 1598765984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Bryan's specialty?
- Gregory Bryan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Gregory Bryan located?
- Gregory Bryan's practice location on file with NPPES is 112 S Jones Blvd, Las Vegas, NV 89107-2614.
- What is Gregory Bryan's phone number?
- The practice phone number listed in the NPPES registry for Gregory Bryan is (702) 838-7110.
- Does Gregory Bryan accept Medicare?
- Gregory Bryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Bryan's NPI active?
- Yes — Gregory Bryan's NPI (1598765984) is active in the NPPES registry as of the last update on 2010-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.