Julie Gammack, MD
NPI 1518975366 · Geriatric Medicine (Internal Medicine) Physician · St Louis, MO
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Gammack, MD is a Geriatric Medicine (Internal Medicine) Physician provider in St Louis, MO (NPI 1518975366).
Provider details
- NPI number
- 1518975366
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2003020128 (MO)
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
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
328 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 | 117 | $95 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 79 | $106 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 66 | $125 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 33 | $129 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 21 | $76 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 425 | 89 |
| Lisinopril | 337 | 67 |
| Apixabanbrand: Eliquis | 296 | 34 |
| Amlodipine Besylate | 244 | 67 |
| Gabapentin | 190 | 48 |
| Losartan Potassium | 173 | 43 |
| Tamsulosin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- Ssm-St. Lous Universith Hospital1201 S. Grand BlvdSt. Louis, MO 63104Phone: (314) 977-8462Fax: (314) 977-3370
Registry dates
- Enumerated
- 2006-08-04
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Julie Gammack's NPI number?
- Julie Gammack's National Provider Identifier (NPI) is 1518975366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Gammack's specialty?
- Julie Gammack is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Julie Gammack located?
- Julie Gammack's practice location on file with NPPES is Center for Specialized Medicine, St Louis, MO 63104.
- What is Julie Gammack's phone number?
- The practice phone number listed in the NPPES registry for Julie Gammack is (314) 977-6055.
- Does Julie Gammack accept Medicare?
- Julie Gammack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Gammack's NPI active?
- Yes — Julie Gammack's NPI (1518975366) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.