Mary Felberg, M.D.
NPI 1578635900 · Anesthesiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Felberg, M.D. is a Anesthesiology Physician provider in Houston, TX (NPI 1578635900).
Provider details
- NPI number
- 1578635900
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- K3180 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Felberg's NPI number?
- Mary Felberg's National Provider Identifier (NPI) is 1578635900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Felberg's specialty?
- Mary Felberg is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Felberg located?
- Mary Felberg's practice location on file with NPPES is 6621 Fannin St, Houston, TX 77030-2303.
- What is Mary Felberg's phone number?
- The practice phone number listed in the NPPES registry for Mary Felberg is (832) 824-5800.
- Does Mary Felberg accept Medicare?
- Mary Felberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Felberg's NPI active?
- Yes — Mary Felberg's NPI (1578635900) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.