DR. LAWRENCE J OTTAVIANO M.D.
NPI 1538112461
Internal Medicine - Gastroenterology in New York, NY
About Dr. Lawrence J Ottaviano M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAWRENCE J OTTAVIANO M.D. (NPI 1538112461) is an individual gastroenterology provider in New York, New York, licensed in New York (170703) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Lawrence J Ottaviano M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Lawrence Ottaviano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10010
- Reassigned Medicare billing, New York enrollment
- 6 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.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10010
NEW YORK, NY 10010
NEW YORK, NY 10010
NEW YORK, NY 10010
NEW YORK, NY 10010
NEW YORK, NY 10010
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 Lawrence Ottaviano's NPI number?
The NPI number for Lawrence Ottaviano is 1538112461. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Lawrence Ottaviano located?
Lawrence Ottaviano practices at 60 Gramercy Park N Suite 1B, New York, NY 10010. The listed phone number is (212) 254-1220.
What is Lawrence Ottaviano's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Lawrence Ottaviano enrolled in Medicare?
Yes. Lawrence Ottaviano is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Lawrence Ottaviano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Ottaviano reassigns Medicare benefits to Gramercy Park Gastroenterology PC (New York, NY). 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 Lawrence Ottaviano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lawrence Ottaviano affiliated with any hospitals?
According to CMS data, Lawrence Ottaviano is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Lawrence Ottaviano was last updated on February 14, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.
# Dr. Lawrence J Ottaviano, M.D. · NPI 1538112461
Gastroenterology physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1538112461 (Entity type: Individual)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 170703 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 60 GRAMERCY PARK N, SUITE 1B, New York, NY 10010-5423
- **Phone:** (212) 254-1220 · **Fax:** (212) 254-1387
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Gramercy Park Gastroenterology PC (NPI 1407178759, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1984
## Record status
- **NPPES last updated:** February 14, 2014
- **Other identifiers:** Medicaid 01152450 (NY); Medicare PIN 06F871 (NY); Medicare UPIN D92147 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1538112461) · Data from the CMS NPPES public registry.