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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DILJEET K SINGH MD
NPI 1669497947
Obstetrics & Gynecology - Gynecologic Oncology in Manassas, VA

Active since July 13, 2006PECOS EnrolledAccepts Medicare Assignment
79.16/100
CMS Quality Rating
8691 STONEWALL RD, MANASSAS, VA 20110(571) 261-3529(703) 361-1811 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 16, 2026, Mar 19, 2026, May 3, 2024 and 2 more (5 updates tracked since 2021).

About Dr. Diljeet K Singh Md NPPES

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

DR. DILJEET K SINGH MD (NPI 1669497947) is an individual gynecologic oncology provider in Manassas, Virginia, licensed in Virginia (0101257350) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Southeastern Regional Medical Center, Inc, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1669497947
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameDR. DILJEET K SINGHCredential: MD
Location Address8691 STONEWALL RDManassas, VA 20110-4510
Mailing AddressPo Box 748613Atlanta, GA 30374-8613
Phone(571) 261-3529
Fax(703) 361-1811
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJuly 13, 2006
Last NPPES UpdateSeptember 16, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2026
✔ NPI 1669497947 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
Licenses✔ Licensed in VA · 0101257350✔ Licensed in IL · 036140817✔ Licensed in WI · 83903-20✔ Licensed in GA · 103126✔ Licensed in NY · 3599666
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
8691 STONEWALL RD, Manassas, VA 20110
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Diljeet K Singh Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810963444
PECOS Enrollment IDI20240517000328, I20250225002532, I20260312001763
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

7

Medicare enrollment records show Diljeet Singh reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uva Community Health Medical Group, LLC
0.1 mi
Pediatrics
9430 FORESTWOOD LN STE 100
Manassas, VA 20110
  • Reassigned Medicare billing, Virginia enrollment
  • 584 clinicians in this Medicare group
NPI 1164990941 (703) 365-0227
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
11 mi
Health Maintenance Organization
12255 FAIR OAKS PKWY
Fairfax, VA 22033
NPI 1215058326 (703) 934-5700
Sinai Hospital Of Baltimore Inc
52 mi
Multi-Specialty
6190 GEORGETOWN BLVD STE 102
Eldersburg, MD 21784
  • Reassigned Medicare billing, Maryland enrollment
  • 664 clinicians in this Medicare group
NPI 1568225282 (410) 601-0900
Nuvance Health Medical Practice PC
275 mi
Internal Medicine
45 READE PLACE
Poughkeepsie, NY 12601
  • Reassigned Medicare billing, New York enrollment
  • 638 clinicians in this Medicare group
NPI 1437358033 (845) 475-9661
Northeast Georgia Physicians Group Inc
468 mi
Family Medicine
743 SPRING ST NE
Gainesville, GA 30501
  • Reassigned Medicare billing, Georgia enrollment
  • 1,172 clinicians in this Medicare group
NPI 1891745212 (770) 219-9000
City Of Hope Medical Group Of Georgia LLC
551 mi
Internal Medicine
600 CELEBRATE LIFE PARKWAY
Newnan, GA 30265
  • Reassigned Medicare billing, Georgia enrollment
  • 448 clinicians in this Medicare group
NPI 1447520333 (847) 746-4333
Bellin Memorial Hospital Inc
643 mi
Cardiovascular Disease
208 EAST REED STREET, SUITE B
Manitowoc, WI 54220
  • Reassigned Medicare billing, Wisconsin enrollment
  • 875 clinicians in this Medicare group
NPI 1710130216 (920) 264-2920

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
27 services23 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
16 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Southeastern Regional Medical Center, Inc

Acute Care Hospitals · Newnan, GA
5/5 CMS rating
OwnershipProprietary
CMS Certification Number110233
Location600 Celebrate Life Parkway NorthNewnan, GA 30265 · Coweta County

Vassar Brothers Medical Center

Acute Care Hospitals · Poughkeepsie, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330023
Location45 Reade PlacePoughkeepsie, NY 12601 · Dutchess County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$170.30 typical visit price
range $56.19 – $170.30
Typical copayment $42.57 (range $14.04 – $42.57)
Most-billed visit code 99205
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.16/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality66.21
Promoting Interoperability82
Improvement Activities40

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

VALENTINA MASIERO PA-C
Physician Assistant
8691 STONEWALL RD
MANASSAS, VA 20110
Manassas City (571) 284-1430
MANASSAS FAMILY MEDICINE PLC
Family Medicine
8691 STONEWALL RD
MANASSAS, VA 20110
Manassas City (703) 368-1182
DR. ELIZABETH A BUCHINSKY MD
Family Medicine
8691 STONEWALL RD
MANASSAS, VA 20110
Manassas City (703) 368-1182
DR. PRIYANKA NAIR DO
Obstetrics & Gynecology
8691 STONEWALL RD
MANASSAS, VA 20110
Manassas City (571) 261-3529
MOHAMMED A RAZVI M.D.
Internal Medicine (Gastroenterology)
8691 STONEWALL RD
MANASSAS, VA 20110
Manassas City (571) 833-7951
DR. VINCENT J BUCHINSKY MD
Family Medicine
8691 STONEWALL RD
MANASSAS, VA 20110
Manassas City (703) 368-1182

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 Diljeet Singh's NPI number?

The NPI number for Diljeet Singh is 1669497947. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Diljeet Singh located?

Diljeet Singh practices at 8691 Stonewall Rd, Manassas, VA 20110. The listed phone number is (571) 261-3529.

What is Diljeet Singh's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Diljeet Singh enrolled in Medicare?

Yes. Diljeet Singh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Diljeet Singh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diljeet Singh reassigns Medicare benefits to 7 organizations: Uva Community Health Medical Group, LLC (Manassas, VA), Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Fairfax, VA), Sinai Hospital Of Baltimore Inc (Eldersburg, MD), Nuvance Health Medical Practice PC (Poughkeepsie, NY), Northeast Georgia Physicians Group Inc (Gainesville, GA) and 2 more organizations, listed in the Medicare section above. Each 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 Diljeet Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diljeet Singh accept?

Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Oscar Health list Diljeet Singh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Diljeet Singh affiliated with any hospitals?

According to CMS data, Diljeet Singh is affiliated with Southeastern Regional Medical Center, Inc and Vassar Brothers Medical Center.

When was this NPI record last updated?

The NPPES record for Diljeet Singh was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days 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.