Mark Detweiler, MD
NPI 1891752374 · Psychiatry Physician · Salem, VA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Detweiler, MD is a Psychiatry Physician provider in Salem, VA (NPI 1891752374).
Provider details
- NPI number
- 1891752374
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101234579 (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
- 2006-04-27
- Last updated
- 2011-06-07
Frequently asked questions
- What is Mark Detweiler's NPI number?
- Mark Detweiler's National Provider Identifier (NPI) is 1891752374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Detweiler's specialty?
- Mark Detweiler is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Detweiler located?
- Mark Detweiler's practice location on file with NPPES is 1970 Roanoke Blvd, Salem, VA 24153-6404.
- What is Mark Detweiler's phone number?
- The practice phone number listed in the NPPES registry for Mark Detweiler is (540) 982-2463.
- Does Mark Detweiler accept Medicare?
- Mark Detweiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Detweiler's NPI active?
- Yes — Mark Detweiler's NPI (1891752374) is active in the NPPES registry as of the last update on 2011-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.