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G MEDICINE LLC
NPI 1376790428
Internal Medicine in Clinton, MD

Active since August 20, 2008
9135 PISCATAWAY RD STE 420, CLINTON, MD 20735(301) 868-2555 Get Directions Write a Review

NPPES record last updated: April 25, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About G Medicine Llc NPPES

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

G MEDICINE LLC (NPI 1376790428) is a healthcare organization registered as an internal medicine in Clinton, Maryland and active in the NPI registry since August 2008. The organization lists Chike G Onwuka, President, as its authorized official.

NPPES Registry Identity

NPI1376790428
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameG MEDICINE LLC
Location Address9135 PISCATAWAY RD STE 420Clinton, MD 20735-2555
Mailing Address9135 Piscataway Rd Ste 420Clinton, MD 20735-2555 · (301) 868-2555
Phone(301) 868-2555
Organization SubpartNo
Authorized OfficialChike G OnwukaPresident · (301) 868-2555
Enumeration DateAugust 20, 2008
Last NPPES UpdateApril 25, 2017
✔ NPI 1376790428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9135 PISCATAWAY RD STE 420, Clinton, MD 20735
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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

G Medicine Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to G Medicine LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Mary Proctor, CRNP
Nurse Practitioner
NPI 1144779158
9135 PISCATAWAY RD SUITE 420
Clinton, MD 20735
(301) 868-2555
✔ PECOS✔ Accepts MedicareSame address
Aldene Doyle, DNP, FNP-BC, WCC, RN
Nurse Practitioner
NPI 1215551122
9135 PISCATAWAY RD STE 420
Clinton, MD 20735
(301) 868-2555
✔ PECOS✔ Accepts MedicareSame address
Chike Onwuka, M.D.
Internal Medicine
NPI 1013065267
9135 PISCATAWAY ROAD SUITE 420
Clinton, MD 20735
(301) 868-2555
✔ PECOS✔ Accepts MedicareSame address
Florence Ukenye, CRNP (NURSE PRACTITI
Nurse Practitioner
NPI 1255722187
7700 OLD BRANCH AVENUE SUITE B205
Clinton, MD 20735
(301) 877-4933
✔ PECOS1.4 mi
Keisha Ritter, CRNP
Nurse Practitioner
NPI 1750784419
7704 MATAPEAKE BUSINESS DR STE 200
Brandywine, MD 20613
(301) 812-3900
✔ PECOS✔ Accepts Medicare6.3 mi
Edith Aniedobe, MD
Internal Medicine
NPI 1467641183
3460 OLD WASHINGTON RD STE 203A
Waldorf, MD 20602
(301) 638-9670
✔ PECOS✔ Accepts Medicare10 mi
Kenneth Geh, MD
Internal Medicine
NPI 1396718755
300 ARMORY PL SUITE 3G
Baltimore, MD 21201
(410) 225-8620
✔ PECOS✔ Accepts Medicare40 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 G Medicine LLC's NPI number?

The NPI number for G Medicine LLC is 1376790428. It was assigned to this organization in the NPPES registry on August 20, 2008.

Where is G Medicine LLC located?

G Medicine LLC is located at 9135 Piscataway Rd Ste 420, Clinton, MD 20735. The listed phone number is (301) 868-2555.

What is G Medicine LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is G Medicine LLC enrolled in Medicare?

Yes. G Medicine LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through G Medicine LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to G Medicine 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 (4) and Internal Medicine (3). Of these, 3 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 G Medicine LLC was last updated on April 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.