Karla Guerrero-Hall, M.D.
NPI 1124477898 · Obstetrics & Gynecology Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karla Guerrero-Hall, M.D. is a Obstetrics & Gynecology Physician provider in Mountain View, CA (NPI 1124477898).
Provider details
- NPI number
- 1124477898
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 125.068624 (IL)
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 tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 445 W Eaton AveTracy, CA 95376-3420Phone: (209) 835-0100
Registry dates
- Enumerated
- 2016-06-03
- Last updated
- 2022-09-26
- Certified
- 2022-09-26
Frequently asked questions
- What is Karla Guerrero-Hall's NPI number?
- Karla Guerrero-Hall's National Provider Identifier (NPI) is 1124477898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karla Guerrero-Hall's specialty?
- Karla Guerrero-Hall is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Karla Guerrero-Hall located?
- Karla Guerrero-Hall's practice location on file with NPPES is 2495 Hospital Dr Ste 625, Mountain View, CA 94040-4158.
- What is Karla Guerrero-Hall's phone number?
- The practice phone number listed in the NPPES registry for Karla Guerrero-Hall is (650) 988-7470.
- Does Karla Guerrero-Hall accept Medicare?
- Karla Guerrero-Hall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karla Guerrero-Hall's NPI active?
- Yes — Karla Guerrero-Hall's NPI (1124477898) is active in the NPPES registry as of the last update on 2022-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.