Mary Hastings, MD
NPI 1932365665 · Family Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Hastings, MD is a Family Medicine Physician provider in Saint Louis, MO (NPI 1932365665).
Provider details
- NPI number
- 1932365665
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- R8E99 (MO)
Specialties & taxonomies
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
17 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
21 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 21 | $9 |
Typical Medicare-allowed amounts for these services range $9–$9 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 30 | 14 |
| Lovastatin | 16 | — |
| Lisinopril | 16 | — |
| Losartan Potassium | 14 | — |
| Allopurinol | 13 | — |
| Metformin Hcl | 13 | — |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-01
- Last updated
- 2013-09-19
Frequently asked questions
- What is Mary Hastings's NPI number?
- Mary Hastings's National Provider Identifier (NPI) is 1932365665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hastings's specialty?
- Mary Hastings is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Hastings located?
- Mary Hastings's practice location on file with NPPES is 6121 N Hanley Rd, Saint Louis, MO 63134-2003.
- What is Mary Hastings's phone number?
- The practice phone number listed in the NPPES registry for Mary Hastings is (314) 615-5767.
- Does Mary Hastings accept Medicare?
- Mary Hastings is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Hastings's NPI active?
- Yes — Mary Hastings's NPI (1932365665) is active in the NPPES registry as of the last update on 2013-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.