Amy Muzaffar, MD
NPI 1124191481 · Internal Medicine Physician · Los Altos, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Muzaffar, MD is a Internal Medicine Physician provider in Los Altos, CA (NPI 1124191481).
Provider details
- NPI number
- 1124191481
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A72342 (CA)
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
- 2006-11-16
- Last updated
- 2012-01-05
Frequently asked questions
- What is Amy Muzaffar's NPI number?
- Amy Muzaffar's National Provider Identifier (NPI) is 1124191481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Muzaffar's specialty?
- Amy Muzaffar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Muzaffar located?
- Amy Muzaffar's practice location on file with NPPES is 370 Distel Cir, Los Altos, CA 94022-1404.
- What is Amy Muzaffar's phone number?
- The practice phone number listed in the NPPES registry for Amy Muzaffar is (650) 254-5200.
- Does Amy Muzaffar accept Medicare?
- Amy Muzaffar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Muzaffar's NPI active?
- Yes — Amy Muzaffar's NPI (1124191481) is active in the NPPES registry as of the last update on 2012-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.