Joel Lahn, M.D.
NPI 1538167960 · Nephrology Physician · Owings Mills, MD
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Lahn, M.D. is a Nephrology Physician provider in Owings Mills, MD (NPI 1538167960).
Provider details
- NPI number
- 1538167960
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D39116 (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
- 2005-07-11
- Last updated
- 2011-09-16
Frequently asked questions
- What is Joel Lahn's NPI number?
- Joel Lahn's National Provider Identifier (NPI) is 1538167960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Lahn's specialty?
- Joel Lahn is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Lahn located?
- Joel Lahn's practice location on file with NPPES is 25 Crossroads Dr, Owings Mills, MD 21117-5421.
- What is Joel Lahn's phone number?
- The practice phone number listed in the NPPES registry for Joel Lahn is (410) 602-7792.
- Does Joel Lahn accept Medicare?
- Joel Lahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Lahn's NPI active?
- Yes — Joel Lahn's NPI (1538167960) is active in the NPPES registry as of the last update on 2011-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.