What is Lawrence Zerolnick's NPI number?

Lawrence Zerolnick's National Provider Identifier (NPI) is 1205993243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lawrence Zerolnick's specialty?

Lawrence Zerolnick is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Lawrence Zerolnick located?

Lawrence Zerolnick's practice location on file with NPPES is 7141 Security Boulevard, Baltimore, MD 21244-1811.

What is Lawrence Zerolnick's phone number?

The practice phone number listed in the NPPES registry for Lawrence Zerolnick is (443) 663-6000.

Is Lawrence Zerolnick's NPI active?

Yes — Lawrence Zerolnick's NPI (1205993243) is active in the NPPES registry as of the last update on 2011-11-14.

IndividualActive

Lawrence Zerolnick, MD

NPI 1205993243 · Pediatrics Physician · Baltimore, MD

Lawrence Zerolnick, MD is a Pediatrics Physician provider in Baltimore, MD (NPI 1205993243).

Provider details

NPI number: 1205993243
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: D018225 (MD)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense D018225 (MD)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 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

7141 Security Boulevard

Baltimore, MD 21244-1811

Phone: (443) 663-6000

Fax: (443) 563-6172

Street-level locationGet directions

More MD providers

Mailing address

2101 East Jefferson Street

Rockville, MD 20852-4908

Enumerated: 2007-01-02
Last updated: 2011-11-14

Frequently asked questions

What is Lawrence Zerolnick's NPI number?: Lawrence Zerolnick's National Provider Identifier (NPI) is 1205993243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Lawrence Zerolnick's specialty?: Lawrence Zerolnick is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
Where is Lawrence Zerolnick located?: Lawrence Zerolnick's practice location on file with NPPES is 7141 Security Boulevard, Baltimore, MD 21244-1811.
What is Lawrence Zerolnick's phone number?: The practice phone number listed in the NPPES registry for Lawrence Zerolnick is (443) 663-6000.
Is Lawrence Zerolnick's NPI active?: Yes — Lawrence Zerolnick's NPI (1205993243) is active in the NPPES registry as of the last update on 2011-11-14.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.