Lawrence Appel, M.D.
NPI 1366407066 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Appel, M.D. is a Internal Medicine Physician provider in Baltimore, MD (NPI 1366407066).
Provider details
- NPI number
- 1366407066
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D29279 (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
- 2006-04-18
- Last updated
- 2013-02-01
Frequently asked questions
- What is Lawrence Appel's NPI number?
- Lawrence Appel's National Provider Identifier (NPI) is 1366407066, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Appel's specialty?
- Lawrence Appel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Appel located?
- Lawrence Appel's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Lawrence Appel's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Appel is (410) 955-9434.
- Does Lawrence Appel accept Medicare?
- Lawrence Appel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Appel's NPI active?
- Yes — Lawrence Appel's NPI (1366407066) is active in the NPPES registry as of the last update on 2013-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.