Chang W Ahn, MD, LLC
NPI 1336597400 · Physical Medicine & Rehabilitation Physician · Lancaster, PA
Chang W Ahn, MD, LLC is a Physical Medicine & Rehabilitation Physician organization in Lancaster, PA (NPI 1336597400).
Provider details
- NPI number
- 1336597400
- Entity type
- Organization
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Chang Ahn, Owner(717) 735-2070
- 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
10 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
- 2016-05-31
- Last updated
- 2016-05-31
Frequently asked questions
- What is Chang W Ahn, MD, LLC's NPI number?
- Chang W Ahn, MD, LLC's National Provider Identifier (NPI) is 1336597400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chang W Ahn, MD, LLC?
- Chang W Ahn, MD, LLC is classified in the NPPES registry as Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Chang W Ahn, MD, LLC located?
- Chang W Ahn, MD, LLC's practice location on file with NPPES is 90 Good Dr, Lancaster, PA 17603-4360.
- What is Chang W Ahn, MD, LLC's phone number?
- The practice phone number listed in the NPPES registry for Chang W Ahn, MD, LLC is (717) 735-2070.
- Who is the authorized official for Chang W Ahn, MD, LLC?
- The authorized official listed on Chang W Ahn, MD, LLC's NPPES record is Chang Ahn, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chang W Ahn, MD, LLC's NPI active?
- Yes — Chang W Ahn, MD, LLC's NPI (1336597400) is active in the NPPES registry as of the last update on 2016-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.