Chang Ahn, MD
NPI 1205877982 · Physical Medicine & Rehabilitation Physician · Lancaster, PA
Chang Ahn, MD is a Physical Medicine & Rehabilitation Physician provider in Lancaster, PA (NPI 1205877982).
Provider details
- NPI number
- 1205877982
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD038832L (PA)
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
- 2006-06-10
- Last updated
- 2016-05-26
Frequently asked questions
- What is Chang Ahn's NPI number?
- Chang Ahn's National Provider Identifier (NPI) is 1205877982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chang Ahn's specialty?
- Chang Ahn is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Chang Ahn located?
- Chang Ahn's practice location on file with NPPES is 90 Good Dr, Lancaster, PA 17603-4360.
- What is Chang Ahn's phone number?
- The practice phone number listed in the NPPES registry for Chang Ahn is (717) 735-2070.
- Is Chang Ahn's NPI active?
- Yes — Chang Ahn's NPI (1205877982) is active in the NPPES registry as of the last update on 2016-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.