SINAI HOSPITAL OF BALTIMORE INC
NPI 1669182499
Internal Medicine - Infectious Disease in Towson, MD

Active since December 02, 2022
849 FAIRMOUNT AVE STE 100B, TOWSON, MD 21286(410) 601-9000 Get Directions Write a Review

NPPES record last updated: December 2, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sinai Hospital Of Baltimore Inc NPPES

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

SINAI HOSPITAL OF BALTIMORE INC (NPI 1669182499) is a healthcare organization registered as an infectious disease in Towson, Maryland and active in the NPI registry since December 2022. The organization lists Charles B Efird, Director, as its authorized official.

NPPES Registry Identity

NPI1669182499
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameSINAI HOSPITAL OF BALTIMORE INC
Location Address849 FAIRMOUNT AVE STE 100BTowson, MD 21286-2600
Mailing Address849 Fairmount Ave Ste 100bTowson, MD 21286-2600 · (410) 601-9000
Organization SubpartNo
Authorized OfficialCharles B EfirdDirector · (410) 601-7019
Enumeration DateDecember 2, 2022
NPPES CertifiedDecember 2, 2022
✔ NPI 1669182499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
849 FAIRMOUNT AVE STE 100B, Towson, MD 21286

Other Names 1

Other NameAffirmcare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY 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 Hospital Of Baltimore Inc 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 Hospital Of Baltimore Inc, which bills Medicare for the services they deliver. Of these, 352 practice 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
Cardiovascular Disease (Cardiology)
NPI 1366411183
515 FAIRMOUNT AVE STE 210
Towson, MD 21286
(410) 494-1294
✔ PECOS0.4 mi
Neurology
NPI 1225038128
22 WEST RD STE 101
Towson, MD 21204
(410) 823-3600
✔ PECOS0.9 mi
Ophthalmology
NPI 1972582393
1209 YORK RD SUITE 200
Lutherville, MD 21093
(410) 821-9490
✔ PECOS1.1 mi
Nurse Practitioner
NPI 1346501616
1206 YORK RD STE 201
Luthvle Timon, MD 21093
(410) 343-9839
✔ PECOS✔ Accepts Medicare1.1 mi
Internal Medicine
NPI 1275676934
1447 YORK RD STE 406
Lutherville, MD 21093
(410) 343-3001
✔ PECOS1.3 mi
Cardiovascular Disease (Cardiology)
NPI 1164439790
120 SISTER PIERRE DR STE 207
Towson, MD 21204
(410) 321-1224
✔ PECOS✔ Accepts Medicare1.3 mi
Hematology/Oncology
NPI 1093780496
7505 OSLER DR SUITE 302
Towson, MD 21204
(410) 494-9099
✔ PECOS✔ Accepts Medicare1.5 mi
Interventional Cardiology
NPI 1801003223
7505 OSLER DR SUITE 103
Towson, MD 21204
(410) 427-2580
✔ PECOS✔ Accepts Medicare1.5 mi
Certified Nurse Midwife (CNM)
NPI 1649284340
7300 YORK RD
Towson, MD 21204
(410) 337-9878
✔ PECOS✔ Accepts Medicare1.6 mi
Hospitalist
NPI 1699352583
6701 N CHARLES ST
Baltimore, MD 21204
(443) 849-2000
✔ PECOS✔ Accepts Medicare1.7 mi
Psychiatry
NPI 1073552063
6501 N CHARLES ST
Baltimore, MD 21204
(410) 938-4585
✔ PECOS1.7 mi
Obstetrics/Gynecology
NPI 1841212982
5601 LOCH RAVEN BLVD POB 306
Baltimore, MD 21239
(410) 464-5711
✔ PECOS3.4 mi
Physical Medicine and Rehabilitation
NPI 1164809646
5601 LOCH RAVEN BLVD
Baltimore, MD 21239
(443) 444-8000
✔ PECOS3.4 mi
Gastroenterology
NPI 1679551865
10751 FALLS RD SUITE 401
Lutherville Timonium, MD 21093
(410) 583-2631
✔ PECOS3.9 mi
Pediatric Medicine
NPI 1376768234
1708 W ROGERS AVE DEPT OF
Baltimore, MD 21209
(410) 578-5202
✔ PECOS4.2 mi
Neurology
NPI 1154371482
MICHEL MIROWSKI, MD, OFF. BLDG 5051 GREENSPRING AVENUE
Baltimore, MD 21209
(410) 601-9515
✔ PECOS4.5 mi
Cardiac Electrophysiology
NPI 1861497802
5051 GREENSPRING AVENUE SUITE 304
Baltimore, MD 21209
(410) 601-8702
✔ PECOS4.9 mi
Orthopedic Surgery
NPI 1740817881
2401 W BELVEDERE AVE
Baltimore, MD 21215
(410) 601-2663
✔ PECOS5.0 mi
Diagnostic Radiology
NPI 1811169113
2401 W BELVEDERE AVE
Baltimore, MD 21215
(410) 601-9000
✔ PECOS✔ Accepts Medicare5.0 mi
Interventional Radiology
NPI 1700106200
2401 W BELVEDERE AVE
Baltimore, MD 21215
(410) 601-5201
✔ PECOS5.0 mi
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 1669182499. It was assigned to this organization in the NPPES registry on December 2, 2022. The provider is also known as AffirmCare.

Where is Sinai Hospital Of Baltimore Inc located?

Sinai Hospital Of Baltimore Inc is located at 849 Fairmount Ave Ste 100B, Towson, MD 21286. The listed phone number is (410) 601-9000.

What is Sinai Hospital Of Baltimore Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

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, 352 practice 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 December 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.