PINNACLE HEALTHCARE, LLC
NPI 1568793974
Internal Medicine in Tucson, AZ

Active since January 25, 2010
5663 E GRANT RD, TUCSON, AZ 85712(520) 433-4964(520) 204-1940 Get Directions Write a Review

NPPES record last updated: January 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Pinnacle Healthcare, Llc NPPES

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

PINNACLE HEALTHCARE, LLC (NPI 1568793974) is a healthcare organization registered as an internal medicine in Tucson, Arizona and active in the NPI registry since January 2010. The organization lists Harbir D. Singh, Owner, as its authorized official.

NPPES Registry Identity

NPI1568793974
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePINNACLE HEALTHCARE, LLC
Location Address5663 E GRANT RDTucson, AZ 85712-2211
Mailing AddressPo Box 43100Tucson, AZ 85733-3100 · (520) 722-3777 · Fax (520) 296-6224
Fax(520) 204-1940
Organization SubpartNo
Authorized OfficialHarbir D. SinghOwner · (520) 433-4964
Enumeration DateJanuary 25, 2010
Last NPPES UpdateJanuary 13, 2021
NPPES CertifiedJanuary 13, 2021
✔ NPI 1568793974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 32999
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.
5663 E GRANT RD, Tucson, AZ 85712

Other Identifiers 2

OtherP00812651AZ · Medicare Rr
Medicaid867492AZ

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
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

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

46

Medicare enrollment records show 46 clinicians reassign Medicare billing to Pinnacle Healthcare, LLC, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 32 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Nurse Practitioner41
Internal Medicine3
Family Practice2

Nearest to this location (20)

See all 46
Family Practice
NPI 1508844846
5663 E GRANT RD
Tucson, AZ 85712
(520) 433-4964
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1306673512
5663 E GRANT RD
Tucson, AZ 85712
(520) 433-4964
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1215290267
5663 E GRANT RD
Tucson, AZ 85712
(520) 336-9179
✔ PECOSSame address
Nurse Practitioner
NPI 1700058658
5663 E GRANT RD
Tucson, AZ 85712
(520) 433-4964
✔ PECOSSame address
Nurse Practitioner
NPI 1821777608
5663 E GRANT RD
Tucson, AZ 85712
(520) 447-6940
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1790431740
5663 E GRANT RD
Tucson, AZ 85712
(520) 433-4964
✔ PECOSSame address
Nurse Practitioner
NPI 1578133914
5663 E GRANT RD
Tucson, AZ 85712
(520) 433-4964
✔ PECOSSame address
Nurse Practitioner
NPI 1265402358
2122 N CRAYCROFT RD SUITE 102
Tucson, AZ 85712
(520) 722-2400
✔ PECOS0.3 mi
Nurse Practitioner
NPI 1215910658
2122 N CRAYCROFT RD STE 102
Tucson, AZ 85712
(520) 722-2400
✔ PECOS0.3 mi
Nurse Practitioner
NPI 1558634709
2122 N CRAYCROFT RD SUITE 102
Tucson, AZ 85712
(520) 722-2400
✔ PECOS0.3 mi
Nurse Practitioner
NPI 1447648647
2424 N WYATT DR STE 100
Tucson, AZ 85712
(520) 324-8621
✔ PECOS✔ Accepts Medicare0.6 mi
Nurse Practitioner
NPI 1427263094
6365 E TANQUE VERDE RD
Tucson, AZ 85715
(520) 290-0300
✔ PECOS✔ Accepts Medicare0.9 mi
Nurse Practitioner
NPI 1750619276
5546 E 4TH ST SUITE 102
Tucson, AZ 85711
(520) 722-2400
✔ PECOS✔ Accepts Medicare1.4 mi
Nurse Practitioner
NPI 1750886107
4500 E SPEEDWAY BLVD STE 113
Tucson, AZ 85712
(520) 614-6326
✔ PECOS1.8 mi
Nurse Practitioner
NPI 1144610239
350 NORTH WILMOT RD CARONDELET HEALTH NETWORK,OCCUPATIONAL HEALTH
Tucson, AZ 85711
(520) 873-3844
✔ PECOS✔ Accepts Medicare1.9 mi
Nurse Practitioner
NPI 1811056021
310 N WILMOT RD 307
Tucson, AZ 85711
(520) 333-9354
✔ PECOS✔ Accepts Medicare2.0 mi
Nurse Practitioner
NPI 1871914374
6565 E CARONDELET DR STE 275
Tucson, AZ 85710
(520) 298-0147
✔ PECOS✔ Accepts Medicare2.0 mi
Nurse Practitioner
NPI 1104867589
6554 E CARONDELET DR
Tucson, AZ 85710
(520) 664-5301
✔ PECOS✔ Accepts Medicare2.1 mi
Family Practice
NPI 1902922875
7383 E TANQUE VERDE RD
Tucson, AZ 85715
(520) 318-3434
✔ PECOS2.1 mi
Nurse Practitioner
NPI 1568485951
3902 E GRANT RD
Tucson, AZ 85712
(520) 468-4801
✔ PECOS✔ Accepts Medicare2.3 mi
See all 46 clinicians

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 of Waiver 03D2194492

Pinnacle Healthcare · Tucson, AZ
Expired · Sep 30, 2026
CLIA Number03D2194492
Laboratory TypePhysician Office
Certificate Effective DateOctober 1, 2024
Certificate Expiration DateSeptember 30, 2026
Laboratory DirectorHarbir Singh
Laboratory Phone(520) 247-7665
Laboratory LocationPinnacle Healthcare5663 E Grant Rd, Tucson, AZ 85712
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only 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 Pinnacle Healthcare, LLC's NPI number?

The NPI number for Pinnacle Healthcare, LLC is 1568793974. It was assigned to this organization in the NPPES registry on January 25, 2010.

Where is Pinnacle Healthcare, LLC located?

Pinnacle Healthcare, LLC is located at 5663 E Grant Rd, Tucson, AZ 85712. The listed phone number is (520) 433-4964.

What is Pinnacle Healthcare, LLC's specialty?

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

Is Pinnacle Healthcare, LLC enrolled in Medicare?

Yes. Pinnacle Healthcare, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pinnacle Healthcare, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 46 clinicians in 3 Medicare specialties reassign their Medicare billing to Pinnacle Healthcare, 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 (41), Internal Medicine (3) and Family Practice (2). Of these, 7 practice at this address and 32 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Pinnacle Healthcare, LLC accept?

Health plans from Ambetter from Arizona Complete Health list Pinnacle Healthcare, LLC 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 Pinnacle Healthcare, LLC was last updated on January 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.