William Gaertner, M.D
NPI 1649267188 · Psychiatry Physician · Fredericksburg, VA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gaertner, M.D is a Psychiatry Physician provider in Fredericksburg, VA (NPI 1649267188).
Provider details
- NPI number
- 1649267188
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 0101035045 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2005-09-30
- Last updated
- 2022-05-25
- Certified
- 2022-05-25
Frequently asked questions
- What is William Gaertner's NPI number?
- William Gaertner's National Provider Identifier (NPI) is 1649267188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gaertner's specialty?
- William Gaertner is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Gaertner located?
- William Gaertner's practice location on file with NPPES is 621 Jefferson Davis Hwy, Fredericksburg, VA 22401.
- What is William Gaertner's phone number?
- The practice phone number listed in the NPPES registry for William Gaertner is (540) 372-2028.
- Does William Gaertner accept Medicare?
- William Gaertner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gaertner's NPI active?
- Yes — William Gaertner's NPI (1649267188) is active in the NPPES registry as of the last update on 2022-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.