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NISHA S SINGH M.D
NPI 1467614818
Pediatrics - Pediatric Nephrology in Tulsa, OK

Active since June 26, 2008PECOS EnrolledAccepts Medicare Assignment
4444 E 41ST ST, TULSA, OK 74135(918) 619-4400(918) 619-4334 Get Directions Write a Review

NPPES record last updated: January 16, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 14, 2023, Apr 4, 2022 (2 updates tracked since 2022).

About Nisha S Singh M.d NPPES

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

NISHA S SINGH M.D (NPI 1467614818) is an individual pediatric nephrology provider in Tulsa, Oklahoma, licensed in Oklahoma (27322) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1467614818
Entity TypeIndividualFemale
Primary Taxonomy2080P0210X
Provider Legal NameNISHA S SINGHCredential: M.D
Location Address4444 E 41ST STTulsa, OK 74135-2527
Mailing Address4502 E 41st StTulsa, OK 74135-2536 · (918) 660-3400 · Fax (918) 660-3410
Phone(918) 619-4400
Fax(918) 619-4334
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateJune 26, 2008
Last NPPES UpdateJanuary 16, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2025
✔ NPI 1467614818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0210X
Licenses✔ Licensed in OK · 27322✔ Licensed in IL · 036.164603✔ Licensed in PA · MD486404
Definition
A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.
4444 E 41ST ST, Tulsa, OK 74135
Open in Google Maps ↗

Secondary Practice Locations 3

Location 12401 Gillham RdKansas City, MO 64108-4619 · Phone (816) 234-3000 · Fax (816) 302-9939
Location 29555 S 52nd AveOak Lawn, IL 60453-3054 · Phone (708) 684-5437 · Fax (708) 876-1569
Location 3160 E Erie AvePhiladelphia, PA 19134-1011 · Phone (215) 427-5180

Other Identifiers 1

Medicaid200249520AOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Aspirus Health Plan 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

Nisha S Singh M.d 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 ID1951713643
PECOS Enrollment IDI20240830000276, I20260304002797
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 Nisha Singh reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advocate Health And Hospitals Corp.
481 mi
Medicare Defined Swing Bed Unit
101 S MAJOR ST
Eureka, IL 61530
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
NPI 1295066983 (309) 467-2371
Fairview Express Care
612 mi
Multi-Specialty
14101 FAIRVIEW DRIVE, STE 300
Burnsville, MN 55337
  • Reassigned Medicare billing, Minnesota enrollment
  • 3,633 clinicians in this Medicare group
NPI 1083806772 (952) 892-2650
University Of Minnesota Physicians
626 mi
Adult Mental Health
5775 WAYZATA BLVD STE 255
St Louis Park, MN 55416
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,453 clinicians in this Medicare group
NPI 1144368531 (122) 738-7106
Fairview Specialty Services
628 mi
Point of Service
1700 UNIVERSITY AVE W
Saint Paul, MN 55104
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,373 clinicians in this Medicare group
NPI 1912066218 (763) 525-9919
University Of Minnesota Health Clinics And Surgery Center Inc
628 mi
Anesthesiology
909 FULTON ST SE
Minneapolis, MN 55455
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,662 clinicians in this Medicare group
NPI 1003485004 (612) 273-8383
Sanford Medical Center Fargo
696 mi
Rural Health
336 MAIN STREET
Forman, ND 58032
  • Reassigned Medicare billing, North Dakota enrollment
  • 1,464 clinicians in this Medicare group
NPI 1073520003 (701) 724-3221
Stc Pediatrics LLC
1,119 mi
Pediatric Gastroenterology
1020 GRINGS HILL RD
Reading, PA 19608
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 479 clinicians in this Medicare group
NPI 1225755952 (215) 427-6778

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

Other Providers at the Same Location NPPES 20

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

SUNIYE GHARAJEH MD
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 619-4400
JOHN MAXWELL CARMENT MD
Internal Medicine (Geriatric Medicine)
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 619-4400
JESSICA CANNON LCSW
Social Worker (Clinical)
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 619-4400
DA YOUNG SEO
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 619-4400
DR. TARA ROMASANTA BUCK M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 660-3130
CARMEN M GENT D.O.
Pediatrics
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 619-4400
WILLIAM ANCIL OGILVIE MD
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 619-4400
WILLIAM SCHALLER
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Tulsa County (918) 619-4400

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 Nisha Singh's NPI number?

The NPI number for Nisha Singh is 1467614818. It was assigned to this individual provider in the NPPES registry on June 26, 2008.

Where is Nisha Singh located?

Nisha Singh practices at 4444 E 41st St, Tulsa, OK 74135. The listed phone number is (918) 619-4400.

What is Nisha Singh's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.

Is Nisha Singh enrolled in Medicare?

Yes. Nisha 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 Nisha Singh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nisha Singh reassigns Medicare benefits to 7 organizations: Advocate Health And Hospitals Corp. (Eureka, IL), Fairview Express Care (Burnsville, MN), University Of Minnesota Physicians (St Louis Park, MN), Fairview Specialty Services (Saint Paul, MN), University Of Minnesota Health Clinics And Surgery Center Inc (Minneapolis, MN) 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 Nisha Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nisha Singh accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Aspirus Health Plan, Blue Cross Blue Shield of North Dakota and CareSource (Common Ground Healthcare) and 4 other insurers list Nisha 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.

When was this NPI record last updated?

The NPPES record for Nisha Singh was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.