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TMC MEDICAL NETWORK
NPI 1750832283
Clinic/Center - Multi-Specialty in Tucson, AZ

Active since October 19, 2016CLIA Certified · 12 labs
5301 E GRANT RD, TUCSON, AZ 85712(520) 327-5461(520) 324-1406 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 4, 2025, Oct 26, 2022, Sep 13, 2022 and 1 more (4 updates tracked since 2016).

About Tmc Medical Network NPPES

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

TMC MEDICAL NETWORK (NPI 1750832283) is a healthcare organization registered as a multi-specialty in Tucson, Arizona and active in the NPI registry since October 2016. The organization holds 12 active CLIA laboratory certificates, maintains 12 additional practice locations, and lists Christopher Stamnas, Dir Med Staff Affairs & Payer Cred, as its authorized official.

NPPES Registry Identity

NPI1750832283
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameTMC MEDICAL NETWORK
Location Address5301 E GRANT RDTucson, AZ 85712-2805
Mailing Address5301 E Grant RdTucson, AZ 85712-2805 · (520) 324-1127 · Fax (520) 324-2051
Phone(520) 327-5461
Fax(520) 324-1406
Organization SubpartNo
Authorized OfficialChristopher StamnasDir Med Staff Affairs & Payer Cred · (520) 243-5958
Enumeration DateOctober 19, 2016
Last NPPES UpdateJuly 30, 20254 updates tracked since enumeration
NPPES CertifiedJuly 30, 2025
✔ NPI 1750832283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
5301 E GRANT RD, Tucson, AZ 85712
Open in Google Maps ↗

Secondary Practice Locations 12

Location 15300 E Erickson Dr Ste 100Tucson, AZ 85712-2809 · Phone (520) 324-7200 · Fax (520) 324-7201
Location 25265 E Knight DrTucson, AZ 85712-2147 · Phone (520) 327-5911 · Fax (520) 881-0060
Location 370 N Harrison RdTucson, AZ 85748-3260 · Phone (520) 324-4403 · Fax (520) 324-1409
Location 47340 E Speedway Blvd Ste 104Tucson, AZ 85710-1361 · Phone (520) 420-7045 · Fax (520) 547-7060
Location 59348 E Rita Rd Ste 100Tucson, AZ 85747-6313 · Phone (520) 324-4499 · Fax (520) 324-4492
Location 69348 E Rita Rd Ste 140Tucson, AZ 85747-6301 · Phone (520) 324-1036 · Fax (520) 324-1035
Location 77510 N Oracle Rd Ste 100Tucson, AZ 85704-4447 · Phone (520) 324-4910 · Fax (520) 324-4911
Location 82424 N Wyatt Dr Ste 100Tucson, AZ 85712-6119 · Phone (520) 324-8621 · Fax (520) 324-3935
Location 910390 N La Canada Dr Ste 110Oro Valley, AZ 85737-7273 · Phone (520) 420-2110 · Fax (520) 420-2111
Location 102840 E Skyline Dr Ste 230Tucson, AZ 85718-8005 · Phone (520) 324-1214 · Fax (520) 324-1281
Location 119348 E Rita Rd Ste 180Tucson, AZ 85747-6303 · Phone (520) 324-1036 · Fax (520) 324-1035
Location 1210350 E Drexel Rd Unit 110Tucson, AZ 85747-9409 · Phone (520) 324-1727 · Fax (520) 324-1700

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.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)

Tmc Medical Network is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

470

Medicare enrollment records show 470 clinicians reassign Medicare billing to Tmc Medical Network, which bills Medicare for the services they deliver. Of these, 73 practice at this address and 349 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 35

Nurse Practitioner147
Pediatric Medicine59
Obstetrics/Gynecology43
Family Practice30
General Surgery24
Internal Medicine24
Critical Care (Intensivists)16
Gastroenterology15
27 other specialties112

Nearest to this location (20)

See all 470
Ahmed Abuawad
Internal Medicine
NPI 1326533431
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5461
✔ PECOS✔ Accepts MedicareSame address
Karen Anderson, ACNP-BC
Nurse Practitioner
NPI 1265688097
5301 E GRANT RD
Tucson, AZ 85712
(520) 334-5695
✔ PECOS✔ Accepts MedicareSame address
Charles Atkinson, M.D.
General Surgery
NPI 1871593731
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-4780
✔ PECOS✔ Accepts MedicareSame address
James Balserak, MD
General Surgery
NPI 1013952464
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5461
✔ PECOSSame address
Kristy Belone, FNP-C
Nurse Practitioner
NPI 1013381268
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5461
✔ PECOS✔ Accepts MedicareSame address
Jacob Bidwell
Critical Care (Intensivists)
NPI 1740634161
5301 E GRANT RD
Tucson, AZ 85712
(520) 327-5461
✔ PECOSSame address
Aleksandar Blubaum, MD
Urology
NPI 1023508231
5301 E GRANT RD
Tucson, AZ 85712
(520) 327-5461
✔ PECOS✔ Accepts MedicareSame address
Raquel Bravo-Clouzet, MD, MPH
Pediatric Medicine
NPI 1356909881
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-2594
✔ PECOSSame address
Kevin Carter, MD
Hospitalist
NPI 1386849156
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5664
✔ PECOSSame address
Karen Chandler, M.D.
Family Practice
NPI 1073579447
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-1205
✔ PECOSSame address
Chang-Kun Choi, D.O.
Pulmonary Disease
NPI 1760577241
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5664
✔ PECOS✔ Accepts MedicareSame address
Mary Connelly, M.D.
Obstetrics/Gynecology
NPI 1114972783
5301 E GRANT RD
Tucson, AZ 85712
(520) 795-8188
✔ PECOSSame address
William Cooper, MD
Thoracic Surgery
NPI 1669561452
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5461
✔ PECOS✔ Accepts MedicareSame address
Christine Farinelli, MD
Obstetrics/Gynecology
NPI 1477714863
5301 E GRANT RD
Tucson, AZ 85712
(520) 795-8188
✔ PECOSSame address
Arianna Griffin, MD
Pediatric Medicine
NPI 1922567007
5301 E GRANT RD
Tucson, AZ 85712
(520) 327-5461
✔ PECOSSame address
Craig Gross, M.D.
Gastroenterology
NPI 1871568626
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5461
✔ PECOS✔ Accepts MedicareSame address
Cecilia Jackson, CNM
Certified Nurse Midwife (CNM)
NPI 1598724536
5301 E GRANT RD
Tucson, AZ 85712
(520) 795-8188
✔ PECOSSame address
Codyjo Kraemer, M.D.
Vascular Surgery
NPI 1942647425
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-5461
✔ PECOS✔ Accepts MedicareSame address
Megan Potilechio, DO
Hospice/Palliative Care
NPI 1255868451
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-2308
✔ PECOS✔ Accepts MedicareSame address
Kallie Siderewicz, RDN
Registered Dietitian or Nutrition Professional
NPI 1073056545
5301 E GRANT RD
Tucson, AZ 85712
(520) 730-1582
Same address
See all 470 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 12

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 03D2116985

Tmc Medical Network, Dba Tmcone · Tucson, AZ
Active · expires Aug 4, 2028
CLIA Number03D2116985
Laboratory TypePhysician Office
Certificate Effective DateAugust 5, 2026
Certificate Expiration DateAugust 4, 2028
Laboratory DirectorCarlos Borras
Laboratory Phone(520) 324-5758
Laboratory LocationTmc Medical Network, Dba Tmcone10350 E Drexel Rd Ste 110, Tucson, AZ 85747
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 03D2181449

Tmc Medical Network, Dba Tmcone · Tucson, AZ
Active · expires Apr 2, 2028
CLIA Number03D2181449
Laboratory TypePhysician Office
Certificate Effective DateApril 3, 2026
Certificate Expiration DateApril 2, 2028
Laboratory DirectorCarlos Borras
Laboratory Phone(520) 324-5758
Laboratory LocationTmc Medical Network, Dba Tmcone2840 E Skyline Dr, Ste 230, Tucson, AZ 85718
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 03D2172672

Tmc Medical Network, Dba Tmcone · Tucson, AZ
Active · expires Sep 25, 2027
CLIA Number03D2172672
Laboratory TypePhysician Office
Certificate Effective DateSeptember 26, 2025
Certificate Expiration DateSeptember 25, 2027
Laboratory DirectorCarlos Borras
Laboratory Phone(520) 324-5758
Laboratory LocationTmc Medical Network, Dba Tmcone9348 E Rita Rd, Ste 140, Tucson, AZ 85747
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 03D0990905

Tmc Medical Network, Dba Tmcone · Tucson, AZ
Active · expires Sep 4, 2027
CLIA Number03D0990905
Laboratory TypePhysician Office
Certificate Effective DateSeptember 5, 2025
Certificate Expiration DateSeptember 4, 2027
Laboratory DirectorCarlos Borras
Laboratory Phone(520) 324-5758
Laboratory LocationTmc Medical Network, Dba Tmcone70 N Harrison Rd, Tucson, AZ 85748
CLIA data matches this NPI record on: Address Name
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.

Certificate of Waiver 03D1050016

Tmc Medical Network, Dba Tmcone · Tucson, AZ
Active · expires Aug 9, 2027
CLIA Number03D1050016
Laboratory TypePhysician Office
Certificate Effective DateAugust 10, 2025
Certificate Expiration DateAugust 9, 2027
Laboratory DirectorCarlos Borras
Laboratory Phone(520) 324-5758
Laboratory LocationTmc Medical Network, Dba Tmcone9348 E Rita Road, Ste 180, Tucson, AZ 85747
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 03D2131504

Tmc Medical Network, Dba Tmcone · Tucson, AZ
Active · expires May 29, 2027
CLIA Number03D2131504
Laboratory TypePhysician Office
Certificate Effective DateMay 30, 2025
Certificate Expiration DateMay 29, 2027
Laboratory DirectorCarlos Borras
Laboratory Phone(520) 324-5758
Laboratory LocationTmc Medical Network, Dba Tmcone7510 N Oracle Rd Ste 100, Tucson, AZ 85704
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 Tmc Medical Network's NPI number?

The NPI number for Tmc Medical Network is 1750832283. It was assigned to this organization in the NPPES registry on October 19, 2016.

Where is Tmc Medical Network located?

Tmc Medical Network is located at 5301 E Grant Rd, Tucson, AZ 85712. The listed phone number is (520) 327-5461.

What is Tmc Medical Network's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is Tmc Medical Network enrolled in Medicare?

Yes. Tmc Medical Network is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tmc Medical Network?

According to the CMS Revalidation Reassignment List (October 2026 release), 470 clinicians in 35 Medicare specialties reassign their Medicare billing to Tmc Medical Network. 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 (147), Pediatric Medicine (59) and Obstetrics/Gynecology (43). Of these, 73 practice at this address and 349 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Tmc Medical Network hold CLIA laboratory certificates?

Yes. 12 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Tmc Medical Network accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Tmc Medical Network 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 Tmc Medical Network was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.