NISHA J MANEK M.D.
NPI 1437139151
Internal Medicine - Rheumatology in Phoenix, AZ
About Nisha J Manek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NISHA J MANEK M.D. (NPI 1437139151) is an individual rheumatology provider in Phoenix, Arizona, licensed in Minnesota (42431) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with P H S Indian Hospital-ft Belknap At Harlem - Cah, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted 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 J Manek 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.
Medicare Billing Reassignments
7Medicare enrollment records show Nisha Manek reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Washakie, WY 82514
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Health Dept Of Health & Human Services
- 306 clinicians in this Medicare group
Fort Washakie, WY 82514
- Reassigned Medicare billing, Texas enrollment
- 31 clinicians in this Medicare group
Rosebud, SD 57570
- Reassigned Medicare billing, Texas enrollment
- 386 clinicians in this Medicare group
Eagle Butte, SD 57625
- Reassigned Medicare billing, Texas enrollment
- 282 clinicians in this Medicare group
Winnebago, NE 68071
- Reassigned Medicare billing, Texas enrollment
- 90 clinicians in this Medicare group
Sisseton, SD 57262
- Reassigned Medicare billing, Texas enrollment
- 50 clinicians in this Medicare group
Belcourt, ND 58316
- Reassigned Medicare billing, Texas enrollment
- 193 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
P H S Indian Hospital-Ft Belknap At Harlem - Cah
Critical Access Hospitals · Harlem, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Manek's NPI number?
The NPI number for Nisha Manek is 1437139151. It was assigned to this individual provider in the NPPES registry on January 19, 2006.
Where is Nisha Manek located?
Nisha Manek practices at 6838 N 23rd Ave, Phoenix, AZ 85015. The listed phone number is (602) 864-8800.
What is Nisha Manek's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Nisha Manek enrolled in Medicare?
Yes. Nisha Manek 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 Manek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nisha Manek reassigns Medicare benefits to 7 organizations: Us Health Dept Of Health & Human Services (Fort Washakie, WY), Eastern Shoshone Tribe (Fort Washakie, WY), Rosebud Indian Health Service (Rosebud, SD), Eagle Butte Indian Health Service Hospital (Eagle Butte, SD), Winnebago Tribe Of Nebraska (Winnebago, NE) 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 Manek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nisha Manek accept?
Health plans from Blue Cross Blue Shield of North Dakota and Oscar Insurance Company list Nisha Manek 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 Nisha Manek affiliated with any hospitals?
According to CMS data, Nisha Manek is affiliated with P H S Indian Hospital-Ft Belknap At Harlem - Cah.
When was this NPI record last updated?
The NPPES record for Nisha Manek was last updated on February 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Nisha J Manek, M.D. · NPI 1437139151
Rheumatology physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since January 19, 2006.
## Identity
- **NPI:** 1437139151 (Entity type: Individual)
- **Enumerated:** January 19, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 42431 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 6838 N 23RD AVE, Phoenix, AZ 85015-1056
- **Phone:** (602) 864-8800 · **Fax:** (602) 864-1448
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Us Health Dept Of Health & Human Services (NPI 1023174299, Fort Washakie, WY); Eastern Shoshone Tribe (NPI 1770328718, Fort Washakie, WY); Rosebud Indian Health Service (NPI 1194757369, Rosebud, SD); Eagle Butte Indian Health Service Hospital (NPI 1558395848, Eagle Butte, SD); Winnebago Tribe Of Nebraska (NPI 1710469234, Winnebago, NE); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** February 20, 2013
- **Other identifiers:** Medicare UPIN H08663; Medicaid 200645600 (MN); Medicare ID-Type Unspecified 660000138 (MN); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1437139151) · Data from the CMS NPPES public registry.