Sharyn S. and Stuart L. Horwitz, PA
NPI 1629226436 · Internal Medicine Physician · Potomac, MD
Sharyn S. and Stuart L. Horwitz, PA is a Internal Medicine Physician organization in Potomac, MD (NPI 1629226436).
Provider details
- NPI number
- 1629226436
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stuart Horwitz, President(301) 983-5482
- License
- D0026228 (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
17 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
- 2008-09-04
- Last updated
- 2008-09-04
Frequently asked questions
- What is Sharyn S. and Stuart L. Horwitz, PA's NPI number?
- Sharyn S. and Stuart L. Horwitz, PA's National Provider Identifier (NPI) is 1629226436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sharyn S. and Stuart L. Horwitz, PA?
- Sharyn S. and Stuart L. Horwitz, PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sharyn S. and Stuart L. Horwitz, PA located?
- Sharyn S. and Stuart L. Horwitz, PA's practice location on file with NPPES is 12220 Lake Potomac Ter, Potomac, MD 20854-1222.
- What is Sharyn S. and Stuart L. Horwitz, PA's phone number?
- The practice phone number listed in the NPPES registry for Sharyn S. and Stuart L. Horwitz, PA is (301) 983-5482.
- Who is the authorized official for Sharyn S. and Stuart L. Horwitz, PA?
- The authorized official listed on Sharyn S. and Stuart L. Horwitz, PA's NPPES record is Stuart Horwitz, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sharyn S. and Stuart L. Horwitz, PA's NPI active?
- Yes — Sharyn S. and Stuart L. Horwitz, PA's NPI (1629226436) is active in the NPPES registry as of the last update on 2008-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.