Maria Grabow, M.D.
NPI 1851374037 · Anesthesiology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Grabow, M.D. is a Anesthesiology Physician provider in San Antonio, TX (NPI 1851374037).
Provider details
- NPI number
- 1851374037
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- L4401 (TX)
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
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
322 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 98 | $68 |
| Anesthesia for Retinal Surgery00145 | 84 | $105 |
| Anesthesia for Procedure on Eyelid00103 | 67 | $92 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 31 | $88 |
| Anesthesia for Other Procedure on Eye00140 | 18 | $120 |
| Anesthesia for Other Procedure on Nose and Sinuses00160 | 12 | $86 |
| Anesthesia for Other Procedure on Skin, Muscles, Or Nerves of Head, Neck, and Upper Back |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-22
- Last updated
- 2007-07-13
Frequently asked questions
- What is Maria Grabow's NPI number?
- Maria Grabow's National Provider Identifier (NPI) is 1851374037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Grabow's specialty?
- Maria Grabow is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Grabow located?
- Maria Grabow's practice location on file with NPPES is 45 Ne Loop 410, San Antonio, TX 78216-5832.
- What is Maria Grabow's phone number?
- The practice phone number listed in the NPPES registry for Maria Grabow is (210) 375-7760.
- Does Maria Grabow accept Medicare?
- Maria Grabow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Grabow's NPI active?
- Yes — Maria Grabow's NPI (1851374037) is active in the NPPES registry as of the last update on 2007-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.