Douglas Knittel, MD
NPI 1356321194 · Psychiatry Physician · Portsmouth, VA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Knittel, MD is a Psychiatry Physician provider in Portsmouth, VA (NPI 1356321194).
Provider details
- NPI number
- 1356321194
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 0101227279 (VA)
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
- 2006-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Douglas Knittel's NPI number?
- Douglas Knittel's National Provider Identifier (NPI) is 1356321194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Knittel's specialty?
- Douglas Knittel is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Knittel located?
- Douglas Knittel's practice location on file with NPPES is 620 John Paul Jones Cir, Portsmouth, VA 23708-2111.
- What is Douglas Knittel's phone number?
- The practice phone number listed in the NPPES registry for Douglas Knittel is (757) 953-5269.
- Does Douglas Knittel accept Medicare?
- Douglas Knittel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Knittel's NPI active?
- Yes — Douglas Knittel's NPI (1356321194) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.