Frank Chang, M.D.
NPI 1538154653 · Specialist · Rockville, MD
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Chang, M.D. is a Specialist provider in Rockville, MD (NPI 1538154653).
Provider details
- NPI number
- 1538154653
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- License
- D0031809 (MD)
Specialties & taxonomies
Other Service Providers
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
- 2005-09-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Frank Chang's NPI number?
- Frank Chang's National Provider Identifier (NPI) is 1538154653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Chang's specialty?
- Frank Chang is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Frank Chang located?
- Frank Chang's practice location on file with NPPES is 15001 Shady Grove Rd, Rockville, MD 20850-6352.
- What is Frank Chang's phone number?
- The practice phone number listed in the NPPES registry for Frank Chang is (301) 340-1188.
- Does Frank Chang accept Medicare?
- Frank Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Chang's NPI active?
- Yes — Frank Chang's NPI (1538154653) 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.