SINAI ENDOCRINOLOGY ASSOCIATES
NPI 1609891225
Internal Medicine - Endocrinology, Diabetes & Metabolism in Baltimore, MD

Active since July 13, 2006
2435 W BELVEDERE AVE, SUITE 21, BALTIMORE, MD 21215(410) 601-5961(410) 601-9390 Get Directions Write a Review

NPPES record last updated: January 28, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sinai Endocrinology Associates NPPES

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

SINAI ENDOCRINOLOGY ASSOCIATES (NPI 1609891225) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Baltimore, Maryland and active in the NPI registry since July 2006. The organization lists Charles B Efird, Director, as its authorized official.

NPPES Registry Identity

NPI1609891225
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameSINAI HOSPITAL OF BALTIMORE INC
Location Address2435 W BELVEDERE AVE, SUITE 21Baltimore, MD 21215-5224
Mailing Address2401 W Belvedere Ave, Attn: CredentialingBaltimore, MD 21215-5216 · (410) 601-5524 · Fax (410) 601-8946
Fax(410) 601-9390
Organization SubpartYes
Authorized OfficialCharles B EfirdDirector · (410) 601-7019
Enumeration DateJuly 13, 2006
Last NPPES UpdateJanuary 28, 2022
NPPES CertifiedJanuary 28, 2022
✔ NPI 1609891225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MD · 30-062
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.
Also ListedGeneral Acute Care HospitalTaxonomy 282N00000X · License 30-062 (MD)
2435 W BELVEDERE AVE, Baltimore, MD 21215

Other Names 1

Other NameSinai Endocrinology Associates

Other Identifiers 3

OtherCB9283MD · R/r Medicare Group #
OtherCA8374MD · R/r Medicare Group #
OtherCC3778MD · R/r Medicare Group #

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sinai Endocrinology Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMarylandEnrollment IDO20031104000353Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

660

Medicare enrollment records show 660 clinicians reassign Medicare billing to Sinai Endocrinology Associates, which bills Medicare for the services they deliver. Of these, 44 practice at this address and 381 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 44

Nurse Practitioner111
Internal Medicine108
Obstetrics/Gynecology56
Neurology42
Hospitalist41
Cardiovascular Disease (Cardiology)33
General Surgery28
Ophthalmology27
36 other specialties214

Nearest to this location (20)

See all 660
Internal Medicine
NPI 1962465419
2435 W BELVEDERE AVE SUITE 22
Baltimore, MD 21215
(410) 601-6840
✔ PECOSSame address
Internal Medicine
NPI 1396042727
2435 W BELVEDERE AVE STE 56
Baltimore, MD 21215
(410) 601-6419
✔ PECOSSame address
Nurse Practitioner
NPI 1629435177
2435 W BELVEDERE AVE STE 22
Baltimore, MD 21215
(410) 601-6840
✔ PECOSSame address
Cardiac Surgery
NPI 1154371797
2435 W BELVEDERE AVE SUITE 35
Baltimore, MD 21215
(410) 601-0900
✔ PECOSSame address
Nurse Practitioner
NPI 1285684035
2435 W BELVEDERE AVE SUITE 35
Baltimore, MD 21215
(410) 601-0900
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1154371326
2435 W BELVEDERE AVE SUITE 33
Baltimore, MD 21215
(410) 601-5530
✔ PECOSSame address
Endocrinology
NPI 1457302861
2435 W BELVEDERE AVE SUITE 56
Baltimore, MD 21215
(410) 601-5961
✔ PECOSSame address
Infectious Disease
NPI 1124078340
2435 W BELVEDERE AVE SUITE 17
Baltimore, MD 21215
(410) 601-5941
✔ PECOSSame address
Thoracic Surgery
NPI 1518140946
2435 W BELVEDERE AVE STE 42
Baltimore, MD 21215
(410) 601-6491
✔ PECOSSame address
General Surgery
NPI 1285676270
2435 W BELVEDERE AVE SUITE 15
Baltimore, MD 21215
(410) 601-4838
✔ PECOSSame address
General Surgery
NPI 1831488162
2435 W BELVEDERE AVE STE 42
Baltimore, MD 21215
(410) 601-5547
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1487738407
2435 W BELVEDERE AVE SUITE 33
Baltimore, MD 21215
(410) 601-5530
✔ PECOSSame address
Endocrinology
NPI 1609951516
2435 WEST BELVEDERE AVENUE SINAI HOSPITAL OF BALTIMORE
Baltimore, MD 21215
(410) 601-6840
✔ PECOSSame address
Ophthalmology
NPI 1841253218
2411 W BELVEDERE AVE 6TH FLOOR
Baltimore, MD 21215
(410) 601-6480
✔ PECOSSame address
Orthopedic Surgery
NPI 1205899176
2411 W. BELVEDERE AVENUE, SUITE 104 MORTON MOWER, M.D. OFF. BLDG.
Baltimore, MD 21215
(410) 601-8691
✔ PECOSSame address
Pediatric Medicine
NPI 1487158861
2411 W BELVEDERE AVE STE 205
Baltimore, MD 21215
(410) 601-8331
✔ PECOSSame address
Rheumatology
NPI 1326081779
2411 W BELVEDERE AVE SUITE 401
Baltimore, MD 21215
(410) 601-8648
✔ PECOSSame address
Gastroenterology
NPI 1114912631
2411 W BELVEDERE AVE STE 308
Baltimore, MD 21215
(410) 601-5392
✔ PECOSSame address
Physical Medicine and Rehabilitation
NPI 1902028939
2411 W BELVEDERE AVE SUITE 104
Baltimore, MD 21215
(410) 601-8691
✔ PECOSSame address
Cardiovascular Disease (Cardiology)
NPI 1053366013
2411 W BELVEDERE AVE SUITE 509
Baltimore, MD 21215
(410) 367-0100
✔ PECOSSame address
See all 660 clinicians

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 Sinai Hospital Of Baltimore Inc's NPI number?

The NPI number for Sinai Hospital Of Baltimore Inc is 1609891225. It was assigned to this organization in the NPPES registry on July 13, 2006. The provider is also known as Sinai Endocrinology Associates.

Where is Sinai Hospital Of Baltimore Inc located?

Sinai Hospital Of Baltimore Inc is located at 2435 W Belvedere Ave Suite 21, Baltimore, MD 21215. The listed phone number is (410) 601-5961.

What is Sinai Hospital Of Baltimore Inc's specialty?

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

Is Sinai Hospital Of Baltimore Inc enrolled in Medicare?

Yes. Sinai Hospital Of Baltimore Inc is registered in the Medicare PECOS enrollment system.

When is Sinai Hospital Of Baltimore Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Maryland, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Sinai Hospital Of Baltimore Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 660 clinicians in 44 Medicare specialties reassign their Medicare billing to Sinai Hospital Of Baltimore Inc. 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 Nurse Practitioner (111), Internal Medicine (108) and Obstetrics/Gynecology (56). Of these, 44 practice at this address and 381 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 Sinai Hospital Of Baltimore Inc was last updated on January 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.