Gretta Carroll, M.D.
NPI 1619358900 · Family Medicine Physician · Holloman Afb, NM
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretta Carroll, M.D. is a Family Medicine Physician provider in Holloman Afb, NM (NPI 1619358900).
Provider details
- NPI number
- 1619358900
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 29856 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
351 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 | 197 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 85 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $62 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $125 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 11 | $8 |
Typical Medicare-allowed amounts for these services range $8–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 471 | 135 |
| Levothyroxine Sodium | 279 | 76 |
| Amlodipine Besylate | 245 | 75 |
| Gabapentin | 195 | 55 |
| Lisinopril | 185 | 60 |
| Rosuvastatin Calcium | 181 | 50 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-12
- Last updated
- 2022-03-21
- Certified
- 2022-03-19
Frequently asked questions
- What is Gretta Carroll's NPI number?
- Gretta Carroll's National Provider Identifier (NPI) is 1619358900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretta Carroll's specialty?
- Gretta Carroll is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gretta Carroll located?
- Gretta Carroll's practice location on file with NPPES is 280 1st St, Holloman Afb, NM 88330-8273.
- What is Gretta Carroll's phone number?
- The practice phone number listed in the NPPES registry for Gretta Carroll is (575) 572-7091.
- Does Gretta Carroll accept Medicare?
- Gretta Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretta Carroll's NPI active?
- Yes — Gretta Carroll's NPI (1619358900) is active in the NPPES registry as of the last update on 2022-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.