William Silverman, MD
NPI 1144226325 · Internal Medicine Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Silverman, MD is a Internal Medicine Physician provider in Rockville, MD (NPI 1144226325).
Provider details
- NPI number
- 1144226325
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0027985 (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
- 2005-06-22
- Last updated
- 2012-05-16
Frequently asked questions
- What is William Silverman's NPI number?
- William Silverman's National Provider Identifier (NPI) is 1144226325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Silverman's specialty?
- William Silverman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Silverman located?
- William Silverman's practice location on file with NPPES is 1201 Seven Locks Rd, Rockville, MD 20854-2957.
- What is William Silverman's phone number?
- The practice phone number listed in the NPPES registry for William Silverman is (301) 762-5020.
- Does William Silverman accept Medicare?
- William Silverman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Silverman's NPI active?
- Yes — William Silverman's NPI (1144226325) is active in the NPPES registry as of the last update on 2012-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.