Greta Brown, M.D
NPI 1770788820 · Internal Medicine Physician · Sun City West, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greta Brown, M.D is a Internal Medicine Physician provider in Sun City West, AZ (NPI 1770788820).
Provider details
- NPI number
- 1770788820
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 36978 (AZ)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,399 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 644 | $124 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 297 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 165 | $88 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 63 | $22 |
| Administration of Influenza Virus VaccineG0008 | 61 | $31 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 746 | 235 |
| Levothyroxine Sodium | 739 | 209 |
| Atorvastatin Calcium | 658 | 196 |
| Lisinopril | 518 | 153 |
| Amlodipine Besylate | 472 | 145 |
| Losartan Potassium | 462 | 142 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (1)
- 150 East Tyson RoadQuartzsite, AZ 85346Phone: (928) 927-8747
Registry dates
- Enumerated
- 2007-06-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is Greta Brown's NPI number?
- Greta Brown's National Provider Identifier (NPI) is 1770788820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Brown's specialty?
- Greta Brown is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greta Brown located?
- Greta Brown's practice location on file with NPPES is 14416 W Meeker Blvd # 200, Sun City West, AZ 85375-5284.
- What is Greta Brown's phone number?
- The practice phone number listed in the NPPES registry for Greta Brown is (623) 583-5260.
- Does Greta Brown accept Medicare?
- Greta Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greta Brown's NPI active?
- Yes — Greta Brown's NPI (1770788820) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.