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MARIAM THOMAS
NPI 1831560754
Nurse Anesthetist, Certified Registered in Phoenix, AZ

Active since October 19, 2015Accepts Medicare Assignment
93.37/100
CMS Quality Rating
2601 E ROOSEVELT ST, PHOENIX, AZ 85008(602) 470-5000 Get Directions Write a Review

NPPES record last updated: October 19, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mariam Thomas NPPES

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

MARIAM THOMAS (NPI 1831560754) is an individual nurse anesthetist, certified registered in Phoenix, Arizona, licensed in Arizona (CRNA1180) and active in the NPI registry since October 2015. She is a graduate of Other (2015).

NPPES Registry Identity

NPI1831560754
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMARIAM THOMAS
Location Address2601 E ROOSEVELT STPhoenix, AZ 85008-4973
Mailing Address2929 E Thomas RdPhoenix, AZ 85016-8034
Phone(602) 470-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 19, 2015
✔ NPI 1831560754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in AZ · CRNA1180
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
2601 E ROOSEVELT ST, Phoenix, AZ 85008
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health, Oscar Insurance Company.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

Mariam Thomas 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 ID6103126057
PECOS Enrollment IDI20151124002734

Medicare Billing Reassignments

5

Medicare enrollment records show Mariam Thomas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

District Medical Group, Inc
Same address
Anesthesiology
2601 E ROOSEVELT ST, DEPT OF ANESTHESIA
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1093948275 (602) 344-5011
Guide Anesthesia Az LLC
6.1 mi
Nurse Anesthetist, Certified Registered
7301 N 16TH ST STE 102
Phoenix, AZ 85020
  • Reassigned Medicare billing, Arizona enrollment
  • 174 clinicians in this Medicare group
NPI 1649164849 (602) 834-5363
Dec Anesthesia LLC
12 mi
Anesthesiology
603 W BASELINE RD STE 101
Mesa, AZ 85210
  • Reassigned Medicare billing, Arizona enrollment
  • 117 clinicians in this Medicare group
NPI 1093006520 (480) 969-0405
Ascend Anesthesia LLC
18 mi
Nurse Anesthetist, Certified Registered
4620 E BASELINE RD
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • 298 clinicians in this Medicare group
NPI 1407642945 (623) 320-0660
Anesthesia Partners & Management LLC
1,654 mi
Nurse Anesthetist, Certified Registered
8273 GRAND RIVER RD STE 210
Brighton, MI 48114
  • Reassigned Medicare billing, Arizona enrollment
  • 370 clinicians in this Medicare group
NPI 1336530997 (480) 420-4027

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

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.

Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85008 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
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

93.37/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.57
Promoting Interoperability96
Improvement Activities40
Cost62.14

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.

DR. JOEL PHILIP BETZ M.D.
Emergency Medicine (Emergency Medical Services)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5411
DR. ALI SHAHEEN AL-YAQOOBI M.D.
Internal Medicine
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5411
MARICOPA INTEGRATED HEALTH SYSTEM
General Acute Care Hospital
2601 E ROOSEVELT ST, DEPARTMENT OF MEDICINE
PHOENIX, AZ 85008
Maricopa County (602) 344-5366
OWEN THOMAS MCCABE MD
Surgery (Trauma Surgery)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5011
BRIGHAM NICOLL
Psychiatry & Neurology (Psychiatry)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5011
DR. AMELIA CATHERINE VAN HANDEL M.D.
Plastic Surgery
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (410) 999-0858
KEVIN YANG
Psychiatry & Neurology (Psychiatry)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5011
STEPHANIE BERKSHIRE DO
Internal Medicine
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5892

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 Mariam Thomas's NPI number?

The NPI number for Mariam Thomas is 1831560754. It was assigned to this individual provider in the NPPES registry on October 19, 2015.

Where is Mariam Thomas located?

Mariam Thomas practices at 2601 E Roosevelt St, Phoenix, AZ 85008. The listed phone number is (602) 470-5000.

What is Mariam Thomas's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Mariam Thomas enrolled in Medicare?

Yes. Mariam Thomas 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 Mariam Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariam Thomas reassigns Medicare benefits to 5 organizations: District Medical Group, Inc (Phoenix, AZ), Guide Anesthesia Az LLC (Phoenix, AZ), Dec Anesthesia LLC (Mesa, AZ), Ascend Anesthesia LLC (Mesa, AZ) and Anesthesia Partners & Management LLC (Brighton, MI). 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 Mariam Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mariam Thomas accept?

Health plans from Blue Cross Blue Shield of Arizona, Oscar Health and Oscar Insurance Company list Mariam Thomas 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 Mariam Thomas was last updated on October 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.