1. Home
  2. Directory
  3. Maryland
  4. Greenbelt
  5. Internal Medicine
  6. NPI Profile

CAPITAL NEPHROLOGY, PC
NPI 1780769984
Internal Medicine - Nephrology in Greenbelt, MD

Active since October 26, 2006CLIA 21D2166256 · Microscopy
7500 GREENWAY CENTER DR, SUITE 930, GREENBELT, MD 20770(301) 345-2412(301) 345-3978 Get Directions Write a Review

NPPES record last updated: July 22, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Capital Nephrology, Pc NPPES

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

CAPITAL NEPHROLOGY, PC (NPI 1780769984) is a healthcare organization registered as a nephrology in Greenbelt, Maryland and active in the NPI registry since October 2006. The organization holds a CLIA Microscopy certificate valid through May 14, 2027 and lists Promod K Duggal, M.d., as its authorized official.

NPPES Registry Identity

NPI1780769984
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameCAPITAL NEPHROLOGY, PC
Location Address7500 GREENWAY CENTER DR, SUITE 930Greenbelt, MD 20770-3502
Mailing Address7500 Greenway Center Dr, Suite 930Greenbelt, MD 20770-3502 · (301) 345-2412 · Fax (301) 345-3978
Phone(301) 345-2412
Fax(301) 345-3978
Organization SubpartNo
Authorized OfficialPromod K DuggalM.d. · (301) 345-2412
Enumeration DateOctober 26, 2006
Last NPPES UpdateJuly 22, 2010
✔ NPI 1780769984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
7500 GREENWAY CENTER DR, Greenbelt, MD 20770
Open in Google Maps ↗

Other Identifiers 5

Medicare ID-Type UnspecifiedG02110P01MD · Medicare Individual#
Medicare UPINB69352MD
Medicaid409745900MD
Medicare ID-Type UnspecifiedG02110MD · Medicare Group#
Medicaid475321600MD

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)

Capital Nephrology, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

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

Clinicians by Medicare Specialty 2

Nephrology9
Nurse Practitioner1

Clinicians, nearest first (10)

Vishwam Pandya, MD
Nephrology
NPI 1215164298
7500 GREENWAY CENTER DR STE. 930
Greenbelt, MD 20770
(301) 345-2412
✔ PECOS✔ Accepts MedicareSame address
Quan Wang, M.D.
Nephrology
NPI 1043475676
7500 GREENWAY CENTER DR SUITE #930
Greenbelt, MD 20770
(301) 345-2412
✔ PECOS✔ Accepts MedicareSame address
Promod Duggal, M.D.
Nephrology
NPI 1992708044
7500 GREENWAY CENTER DR SUITE 930
Greenbelt, MD 20770
(301) 345-2412
✔ PECOS✔ Accepts Medicare0.1 mi
Atul Suri, M.D.
Nephrology
NPI 1326042144
7500 GREENWAY CENTER DR STE 930
Greenbelt, MD 20770
(301) 345-2412
✔ PECOS✔ Accepts Medicare0.1 mi
Steven Pollak, M.D.
Nephrology
NPI 1629006424
7525 GREENWAY CENTER DR
Greenbelt, MD 20770
(301) 474-3991
✔ PECOS✔ Accepts Medicare0.2 mi
Taiwo Ajani, DNP, CRNP, PMHNP-BC
Nurse Practitioner
NPI 1982170213
9811 MALLARD DR STE 120
Laurel, MD 20708
(443) 713-8643
✔ PECOS✔ Accepts Medicare5.0 mi
Steven Burka, MD
Nephrology
NPI 1033103114
5530 WISCONSIN AVE #914
Chevy Chase, MD 20815
(301) 654-3803
✔ PECOS11 mi
Nirali Marvania, MD
Nephrology
NPI 1336646942
22 S GREENE ST
Baltimore, MD 21201
(410) 328-8667
✔ PECOS✔ Accepts Medicare25 mi
Karen Dah, M.D.
Nephrology
NPI 1730467804
1821 SWEETBAY DR STE 1
Salisbury, MD 21804
(410) 546-4427
✔ PECOS✔ Accepts Medicare84 mi
Reena Ranpuria, MD
Nephrology
NPI 1518173608
125 N JACKSON AVE SUITE 109
San Jose, CA 95116
(408) 929-4425
✔ PECOS✔ Accepts Medicare2,426 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 21D2166256

Captial Nephrology · Greenbelt, MD
Active · expires May 14, 2027
CLIA Number21D2166256
Laboratory TypePhysician Office
Certificate Effective DateMay 15, 2025
Certificate Expiration DateMay 14, 2027
Laboratory DirectorAtul H. Suri
Laboratory Phone(301) 345-2412
Laboratory LocationCaptial Nephrology7500 Greenway Center Drive Suite 930, Greenbelt, MD 20770
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Capital Nephrology, PC's NPI number?

The NPI number for Capital Nephrology, PC is 1780769984. It was assigned to this organization in the NPPES registry on October 26, 2006.

Where is Capital Nephrology, PC located?

Capital Nephrology, PC is located at 7500 Greenway Center Dr Suite 930, Greenbelt, MD 20770. The listed phone number is (301) 345-2412.

What is Capital Nephrology, PC's specialty?

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

Is Capital Nephrology, PC enrolled in Medicare?

Yes. Capital Nephrology, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Capital Nephrology, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Capital Nephrology, 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 Nephrology (9) and Nurse Practitioner (1). Of these, 2 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Capital Nephrology, PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 21D2166256) is associated with this NPI, valid through May 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Capital Nephrology, PC was last updated on July 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.