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SYNERGY MEDICAL GROUP LLC
NPI 1427814979
Internal Medicine - Nephrology in Bethesda, MD

Active since February 22, 2024
5721 GROSVENOR LN, BETHESDA, MD 20814(301) 530-1600 Get Directions Write a Review

NPPES record last updated: June 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 9, 2025, Apr 9, 2025, Jul 23, 2024 (3 updates tracked since 2024).

About Synergy Medical Group Llc NPPES

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

SYNERGY MEDICAL GROUP LLC (NPI 1427814979) is a healthcare organization registered as a nephrology in Bethesda, Maryland and active in the NPI registry since February 2024. The organization lists Kamal Salah H Sewaralthahab, Owner, as its authorized official.

NPPES Registry Identity

NPI1427814979
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameSYNERGY MEDICAL GROUP LLC
Location Address5721 GROSVENOR LNBethesda, MD 20814-1833
Mailing Address1205 York Rd Ste 11Lutherville, MD 21093-6211
Phone(301) 530-1600
Organization SubpartNo
Authorized OfficialKamal Salah H SewaralthahabOwner · (443) 325-0031
Enumeration DateFebruary 22, 2024
Last NPPES UpdateJune 9, 20253 updates tracked since enumeration
NPPES CertifiedJune 9, 2025
✔ NPI 1427814979 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X
Also ListedUrologyTaxonomy 208800000X
Also ListedGeneral PracticeTaxonomy 208D00000X
Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X
5721 GROSVENOR LN, Bethesda, MD 20814
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Other Names 1

Other NameSterling Care Bethesda

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Synergy Medical Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

119

Medicare enrollment records show 119 clinicians reassign Medicare billing to Synergy Medical Group LLC, which bills Medicare for the services they deliver. Of these, 22 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 16

Nurse Practitioner53
Internal Medicine40
Hospitalist8
Cardiovascular Disease (Cardiology)4
Orthopedic Surgery3
Dermatology1
Emergency Medicine1
Endocrinology1
8 other specialties8

Nearest to this location (20)

See all 119
Neha Batta, M.D.
Internal Medicine
NPI 1386056190
8401 CONNECTICUT AVE PH SUITE
Chevy Chase, MD 20815
(888) 663-6331
✔ PECOS✔ Accepts Medicare2.9 mi
Ricardo Cook, MD
Orthopedic Surgery
NPI 1942278726
3200 TOWER OAKS BLVD STE 100
Rockville, MD 20852
(240) 938-0764
✔ PECOS✔ Accepts Medicare3.0 mi
Nourelhuda Abbas Hamed, MD
Internal Medicine
NPI 1699339473
1500 FOREST GLEN RD
Silver Spring, MD 20910
(301) 754-7991
✔ PECOS✔ Accepts Medicare4.3 mi
Sameer Ismailjee, M.D.
Infectious Disease
NPI 1669403341
1500 FOREST GLEN RD
Silver Spring, MD 20910
(301) 754-7000
✔ PECOS✔ Accepts Medicare4.4 mi
Magdy Girgis, MD
Internal Medicine
NPI 1417268657
1500 FOREST GLEN RD
Silver Spring, MD 20910
(301) 754-7991
✔ PECOS✔ Accepts Medicare4.4 mi
Esther Ozor
Nurse Practitioner
NPI 1538665294
1500 FOREST GLEN RD
Silver Spring, MD 20910
(301) 754-7550
✔ PECOS✔ Accepts Medicare4.4 mi
Afrin Hossain, M.D.
Internal Medicine
NPI 1033452651
1500 FOREST GLEN RD
Silver Spring, MD 20910
(301) 754-7991
✔ PECOS✔ Accepts Medicare4.4 mi
Sunil Singh, MD
Internal Medicine
NPI 1710220181
1500 FOREST GLEN RD
Silver Spring, MD 20910
(301) 754-7991
✔ PECOS✔ Accepts Medicare4.4 mi
Amelework Kebede
Internal Medicine
NPI 1063707883
1500 FOREST GLEN RD
Silver Spring, MD 20910
(301) 557-6000
✔ PECOS✔ Accepts Medicare4.4 mi
Rong Xiao, CRNP, FNP-C
Nurse Practitioner
NPI 1497582605
8403 COLESVILLE RD STE 1100
Silver Spring, MD 20910
(443) 383-9300
✔ PECOS✔ Accepts Medicare4.9 mi
Martha Amiewalan, CRNP
Nurse Practitioner
NPI 1629527866
4555 WISCONSIN AVE NW
Washington, DC 20016
(202) 537-1587
✔ PECOS✔ Accepts Medicare5.5 mi
Ashley Siers, CRNP
Nurse Practitioner
NPI 1578893319
10614 S DUNMOOR DR
Silver Spring, MD 20901
(301) 593-3331
✔ PECOS✔ Accepts Medicare5.9 mi
Yohana Davani, CRNP
Nurse Practitioner
NPI 1467013839
5255 LOUGHBORO RD NW
Washington, DC 20016
(202) 537-4080
✔ PECOS✔ Accepts Medicare6.1 mi
Jan Marcus Quiaoit, NP
Nurse Practitioner
NPI 1679243950
5255 LOUGHBORO RD NW
Washington, DC 20016
(202) 537-4556
✔ PECOS✔ Accepts Medicare6.1 mi
Bernice Aidoo, MD
Internal Medicine
NPI 1750540837
7600 CARROLL AVENUE HOSPITALIST OFFICE
Takoma Park, MD 20912
(301) 891-6351
✔ PECOS✔ Accepts Medicare6.7 mi
Ima Sasu, NP
Nurse Practitioner
NPI 1164704110
7600 CARROLL AVE
Takoma Park, MD 20912
(301) 891-7600
✔ PECOS✔ Accepts Medicare6.7 mi
Kristin Hoover, M.D.
Internal Medicine
NPI 1578094348
9901 MEDICAL CENTER DR
Rockville, MD 20850
(240) 826-6000
✔ PECOS✔ Accepts Medicare6.8 mi
Vaishali Baxi, M.D.
Internal Medicine
NPI 1457672727
10110 MOLECULAR DR SUITE 206
Rockville, MD 20850
(301) 279-2779
✔ PECOS✔ Accepts Medicare6.9 mi
Blessing Okocha
Nurse Practitioner
NPI 1386299519
110 IRVING ST NW UNIT 5A
Washington, DC 20010
(240) 581-0926
✔ PECOS✔ Accepts Medicare8.4 mi
Sam Parsia, MD
Internal Medicine
NPI 1528286275
3210 POWDER MILL RD
Hyattsville, MD 20783
(301) 937-3939
✔ PECOS✔ Accepts Medicare8.8 mi
See all 119 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 Synergy Medical Group LLC's NPI number?

The NPI number for Synergy Medical Group LLC is 1427814979. It was assigned to this organization in the NPPES registry on February 22, 2024. The provider is also known as Sterling Care Bethesda.

Where is Synergy Medical Group LLC located?

Synergy Medical Group LLC is located at 5721 Grosvenor Ln, Bethesda, MD 20814. The listed phone number is (301) 530-1600.

What is Synergy Medical Group LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Synergy Medical Group LLC enrolled in Medicare?

Yes. Synergy Medical Group LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Synergy Medical Group LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 119 clinicians in 16 Medicare specialties reassign their Medicare billing to Synergy Medical Group LLC. 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 (53), Internal Medicine (40) and Hospitalist (8). Of these, 22 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 Synergy Medical Group LLC was last updated on June 9, 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.