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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

LEONARD WARTOFSKY MD
NPI 1336198282
Internal Medicine - Endocrinology, Diabetes & Metabolism in Washington, DC

Active since May 09, 2006PECOS Enrolled
110 IRVING ST NW, #2A38, WASHINGTON, DC 20010(202) 877-2848(202) 877-6292 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Leonard Wartofsky Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEONARD WARTOFSKY MD (NPI 1336198282) is an individual endocrinology, diabetes & metabolism provider in Washington, District Of Columbia, licensed in District Of Columbia (MD4979) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336198282
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameLEONARD WARTOFSKYCredential: MD
Location Address110 IRVING ST NW, #2A38Washington, DC 20010-2976
Mailing Address110 Irving St Nw, #2a38Washington, DC 20010-2976 · (202) 877-2848 · Fax (202) 877-6292
Phone(202) 877-2848
Fax(202) 877-6292
Sole ProprietorNo
Enumeration DateMay 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1336198282 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in DC · MD4979
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

110 IRVING ST NW, Washington, DC 20010
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Other Identifiers 1

Medicaid5851670VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leonard Wartofsky Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JANET E JUMPER N.P.
Nurse Practitioner (Acute Care)
110 IRVING ST NW, 4B42
WASHINGTON, DC 20010
District of Columbia (202) 877-7462
EMILY JEAN SIEGEL MD
Student in an Organized Health Care Education/Training Program
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-8080
KIMBERLY SMITH
Radiology (Diagnostic Radiology)
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (301) 902-1073
MISS ORE-OLUWA ODULANA LIMA DA SILVA CRNA
Nurse Anesthetist, Certified Registered
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7504
DR. FAY HORNG M.D.
Anesthesiology
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7504
DR. MICHAEL B SHVARTS MD
Radiology (Diagnostic Radiology)
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7000
DR. SCOTT THOMAS MARTYNA D.M.D.
Student in an Organized Health Care Education/Training Program
110 IRVING ST NW, DEPT. OF ORAL AND MAXILLOFACIAL SURGERY
WASHINGTON, DC 20010
District of Columbia (202) 877-7332
MS. NOOR-UL-HUDA AMER MEHDI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
110 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 877-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Wartofsky's NPI number?

The NPI number for Leonard Wartofsky is 1336198282. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is Leonard Wartofsky located?

Leonard Wartofsky practices at 110 Irving St NW #2a38, Washington, DC 20010. The listed phone number is (202) 877-2848.

What is Leonard Wartofsky's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Leonard Wartofsky enrolled in Medicare?

Yes. Leonard Wartofsky is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Leonard Wartofsky was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.