William Mayer, MD
NPI 1598767436 · Obstetrics & Gynecology Physician · Columbia, MD
William Mayer, MD is a Obstetrics & Gynecology Physician provider in Columbia, MD (NPI 1598767436).
Provider details
- NPI number
- 1598767436
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D20510 (MD)
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
20 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
- 2005-08-11
- Last updated
- 2009-12-09
Frequently asked questions
- What is William Mayer's NPI number?
- William Mayer's National Provider Identifier (NPI) is 1598767436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mayer's specialty?
- William Mayer is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is William Mayer located?
- William Mayer's practice location on file with NPPES is 10710 Charter Dr, Columbia, MD 21044-3128.
- What is William Mayer's phone number?
- The practice phone number listed in the NPPES registry for William Mayer is (410) 997-0580.
- Is William Mayer's NPI active?
- Yes — William Mayer's NPI (1598767436) is active in the NPPES registry as of the last update on 2009-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.