1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIA TERESA PACHECO HERNANDEZ MD
NPI 1154028660
Internal Medicine in Phoenix, AZ

Active since February 14, 2023PECOS Enrolled
6544 W THOMAS RD STE 11, PHOENIX, AZ 85033(602) 834-5515(855) 540-2436 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Aug 17, 2026, Mar 8, 2023, Feb 14, 2023 (3 updates tracked since 2023).

About Maria Teresa Pacheco Hernandez Md NPPES

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

MARIA TERESA PACHECO HERNANDEZ MD (NPI 1154028660) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (80432) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154028660
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARIA TERESA PACHECO HERNANDEZCredential: MD
Location Address6544 W THOMAS RD STE 11Phoenix, AZ 85033-5740
Mailing Address6544 W Thomas Rd Ste 11Phoenix, AZ 85033-5740 · (602) 834-5515 · Fax (855) 540-2436
Phone(602) 834-5515
Fax(855) 540-2436
Sole ProprietorYes
Enumeration DateFebruary 14, 2023
Last NPPES UpdateAugust 17, 20263 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1154028660 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 · 80432
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.
6544 W THOMAS RD STE 11, Phoenix, AZ 85033
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Teresa Pacheco Hernandez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85033 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Other Providers at the Same Location NPPES 4

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

CENTERWELL SENIOR PRIMARY CARE AZ PC
Internal Medicine
6544 W THOMAS RD STE 11
PHOENIX, AZ 85033
Maricopa County (602) 834-5515
LUNA AMELINGMEIER M.D.
General Practice
6544 W THOMAS RD STE 11
PHOENIX, AZ 85033
Maricopa County (602) 834-5515
DR. CONNIE ROHAN MD
Internal Medicine
6544 W THOMAS RD STE 11
PHOENIX, AZ 85033
Maricopa County (602) 834-5515
MARIA VICTORIA DE GUZMAN
Nurse Practitioner (Family)
6544 W THOMAS RD STE 11
PHOENIX, AZ 85033
Maricopa County (602) 834-5515

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 Maria Teresa Pacheco Hernandez's NPI number?

The NPI number for Maria Teresa Pacheco Hernandez is 1154028660. It was assigned to this individual provider in the NPPES registry on February 14, 2023.

Where is Maria Teresa Pacheco Hernandez located?

Maria Teresa Pacheco Hernandez practices at 6544 W Thomas Rd Ste 11, Phoenix, AZ 85033. The listed phone number is (602) 834-5515.

What is Maria Teresa Pacheco Hernandez's specialty?

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

Is Maria Teresa Pacheco Hernandez enrolled in Medicare?

Yes. Maria Teresa Pacheco Hernandez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maria Teresa Pacheco Hernandez was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.