Nancy Mayer, M.D.
NPI 1437277530 · Family Medicine Physician · Patterson, CA
Nancy Mayer, M.D. is a Family Medicine Physician provider in Patterson, CA (NPI 1437277530).
Provider details
- NPI number
- 1437277530
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0101235639 (VA)
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
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
- 2007-03-27
- Last updated
- 2021-12-29
- Certified
- 2021-12-29
Frequently asked questions
- What is Nancy Mayer's NPI number?
- Nancy Mayer's National Provider Identifier (NPI) is 1437277530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Mayer's specialty?
- Nancy Mayer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Mayer located?
- Nancy Mayer's practice location on file with NPPES is 16720 Sycamore Ave, Patterson, CA 95363-9724.
- What is Nancy Mayer's phone number?
- The practice phone number listed in the NPPES registry for Nancy Mayer is (610) 557-2459.
- Is Nancy Mayer's NPI active?
- Yes — Nancy Mayer's NPI (1437277530) is active in the NPPES registry as of the last update on 2021-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.