HENRY LESSER
NPI 1639674203
Obstetrics & Gynecology - Maternal & Fetal Medicine in Baltimore, MD
About Henry Lesser NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENRY LESSER (NPI 1639674203) is an individual maternal & fetal medicine provider in Baltimore, Maryland, licensed in Maryland (D0102847) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and maintains a secondary practice location in Danville.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Henry Lesser is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Henry Lesser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21215
- Reassigned Medicare billing, Maryland enrollment
- 664 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sinai Hospital Of Baltimore
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BALTIMORE, MD 21215
BALTIMORE, MD 21215
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 Henry Lesser's NPI number?
The NPI number for Henry Lesser is 1639674203. It was assigned to this individual provider in the NPPES registry on March 27, 2018.
Where is Henry Lesser located?
Henry Lesser practices at 2401 W Belvedere Ave, Baltimore, MD 21215. The listed phone number is (410) 601-7639.
What is Henry Lesser's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Henry Lesser enrolled in Medicare?
Yes. Henry Lesser is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Henry Lesser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Henry Lesser reassigns Medicare benefits to Sinai Hospital Of Baltimore Inc (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Henry Lesser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Henry Lesser affiliated with any hospitals?
According to CMS data, Henry Lesser is affiliated with Sinai Hospital Of Baltimore.
When was this NPI record last updated?
The NPPES record for Henry Lesser was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Henry Lesser · NPI 1639674203
Maternal & Fetal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 27, 2018.
## Identity
- **NPI:** 1639674203 (Entity type: Individual)
- **Enumerated:** March 27, 2018
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** D0102847 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2401 W BELVEDERE AVE, Baltimore, MD 21215-5216
- **Phone:** (410) 601-7639
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sinai Hospital Of Baltimore Inc (NPI 1376568998, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639674203) · Data from the CMS NPPES public registry.