Doctor profile · Federal record

Dr. Nathalie Petein-Alamshaw, MD

Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospitalist) · Internal Medicine Physician · Pediatrics Physician · Glendale, AZ

  • NPI 1285928721
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
5555 W Thunderbird Road
Glendale, AZ 85306
(602) 865-4195
fax (602) 865-4393
Additional location
1919 E Thomas RD
Phoenix, AZ 850167710
(602) 933-1900
fax (602) 933-1918
Additional location
5555 W. Thunderbird Road
Glendale, AZ 85306
Mailing address
5555 W Thunderbird RD
Glendale, AZ 853064622

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0002X — NUCC code
State license (1)
Arizona #48024

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285928721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
252
Distinct HCPCS
4
Medicare allowed
$26,863
HCPCS Description Services Patients Avg allowed
99497 Advance care planning, first 30 minutes 102 60 $72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 78 48 $113
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 59 57 $167
99498 Advance care planning, each additional 30 minutes 13 13 $65

In context: peer comparison

Among 2 peers in this city , average services per provider: 66. This provider delivers 3.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathalie Petein-Alamshaw's medical specialty?
Dr. Nathalie Petein-Alamshaw practices Hospice and Palliative Medicine (Internal Medicine) Physician in Glendale, AZ.
Where does Dr. Nathalie Petein-Alamshaw practice?
Dr. Nathalie Petein-Alamshaw practices at 5555 W Thunderbird Road, Glendale, AZ 85306. Office phone: 6028654195.
What is Dr. Nathalie Petein-Alamshaw's NPI?
Dr. Nathalie Petein-Alamshaw's National Provider Identifier (NPI) is 1285928721, issued by NPPES.
Does Dr. Nathalie Petein-Alamshaw accept Medicare assignment?
Yes. Dr. Nathalie Petein-Alamshaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathalie Petein-Alamshaw commonly perform?
Top Medicare-reported procedures in 2023: Advance care planning (HCPCS 99497); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.