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MEDICAL SERVICE PRACTICE, PC
NPI 1427170141
Internal Medicine - Sleep Medicine in New York, NY

Active since April 04, 2007
330 W 58TH ST STE 509, NEW YORK, NY 10019(212) 994-5100(212) 994-5101 Get Directions Write a Review

NPPES record last updated: February 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 4, 2023, Oct 7, 2021 (2 updates tracked since 2021).

About Medical Service Practice, Pc NPPES

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

MEDICAL SERVICE PRACTICE, PC (NPI 1427170141) is a healthcare organization registered as a sleep medicine in New York, New York and active in the NPI registry since April 2007. The organization lists Omer Ahmed, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1427170141
Entity TypeOrganization
Primary Taxonomy207RS0012X
Legal Business NameMEDICAL SERVICE PRACTICE, PC
Location Address330 W 58TH ST STE 509New York, NY 10019-1819
Mailing Address330 W 58th StNew York, NY 10019-1827 · (212) 994-5100 · Fax (212) 994-5101
Phone(212) 994-5100
Fax(212) 994-5101
Organization SubpartNo
Authorized OfficialOmer AhmedMedical Director · (212) 994-5100
Enumeration DateApril 4, 2007
Last NPPES UpdateFebruary 21, 20242 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2024
✔ NPI 1427170141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedClinic/Center · Sleep Disorder DiagnosticTaxonomy 261QS1200X
330 W 58TH ST STE 509, New York, NY 10019
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Other Identifiers 1

Medicaid03119913NY

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Medical Service Practice, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Medical Service Practice, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Ridhwan Baba, MD
Sleep Medicine
NPI 1225318397
330 W 58TH ST STE 509
New York, NY 10019
(212) 994-5100
✔ PECOS✔ Accepts MedicareSame address
Robin Chirackal, MD
Sleep Medicine
NPI 1689102998
330 W 58TH ST STE 509
New York, NY 10019
(212) 994-5100
✔ PECOS✔ Accepts MedicareSame address
Stephen Lund, M.D.
Psychiatry
NPI 1063562759
423 W 55TH ST 4TH FLOOR
New York, NY 10019
(212) 994-4570
✔ PECOS0.3 mi
Omer Ahmed, M.D.
Hospitalist
NPI 1235387119
462 1ST AVE PULMONARY DIVISION BV 7N24
New York, NY 10016
(212) 562-1720
✔ PECOS✔ Accepts Medicare2.0 mi
Jeanne Damian, M.D.
Sleep Medicine
NPI 1932278371
2091 NOSTRAND AVE
Brooklyn, NY 11210
(718) 434-1876
✔ PECOS✔ Accepts Medicare9.4 mi
Razi Hussaini, M.D.
Sleep Medicine
NPI 1386794899
7 NEWBRIDGE RD
Hicksville, NY 11801
(516) 605-1136
✔ PECOS✔ Accepts Medicare24 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Medical Service Practice, PC's NPI number?

The NPI number for Medical Service Practice, PC is 1427170141. It was assigned to this organization in the NPPES registry on April 4, 2007.

Where is Medical Service Practice, PC located?

Medical Service Practice, PC is located at 330 W 58th St Ste 509, New York, NY 10019. The listed phone number is (212) 994-5100.

What is Medical Service Practice, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Medical Service Practice, PC enrolled in Medicare?

Yes. Medical Service Practice, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Medical Service Practice, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 3 Medicare specialties reassign their Medicare billing to Medical Service Practice, PC. A 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 the clinician's services. The largest specialties are Sleep Medicine (4), Hospitalist (1) and Psychiatry (1). Of these, 2 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Medical Service Practice, PC was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.