Doctor profile · Federal record

Dr. Nathan Ostler, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Mesa, AZ

  • NPI 1023412301
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4111 E Auto Valley Drive, 209-4
Mesa, AZ 85206
(480) 939-3409
fax (703) 634-7483
Additional location
4049 E Holmes Ave
Mesa, AZ 852063281
Mailing address
4049 E Holmes Ave
Mesa, AZ 852063281

Credentials & registration

NPPES · NUCC
NPI registered
October 2014 — 12 yrs on file
Profile last updated
July 6, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Arizona #AP7346
Medicaid
AZ #960757

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023412301. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,517
Distinct HCPCS
10
Medicare allowed
$84,063
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 323 178 $105
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 315 169 $51
80053 Blood test, comprehensive group of blood chemicals 55 50 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 54 48 $8
80061 Blood test, lipids (cholesterol and triglycerides) 48 44 $13
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 48 48 $21
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 46 40 $39
93922 Ultrasound study of arm and leg arteries 45 45 $67
95921 Testing of autonomic nervous system function and heart rate response to deep breathing 45 45 $72
95923 Testing of autonomic (sympathetic) nervous system function 45 45 $101

In context: peer comparison

Among 93 peers in Mesa Family Nurse Practitioner, average services per provider: 125. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,468
Patients
617
Total drug cost
$17,437
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 218 85 $2,809
Atorvastatin Calcium Generic 195 81 $1,946
Losartan Potassium Generic 113 50 $1,194
Lisinopril Generic 112 45 $1,001
Amlodipine Besylate Generic 101 48 $601
Metformin Hcl Generic 90 39 $836
Omeprazole Generic 84 35 $914
Montelukast Sodium Generic 78 33 $1,131
Pantoprazole Sodium Generic 76 32 $1,078
Gabapentin Generic 74 28 $1,376

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Ostler's medical specialty?
Dr. Nathan Ostler practices Family Nurse Practitioner in Mesa, AZ.
Where does Dr. Nathan Ostler practice?
Dr. Nathan Ostler practices at 4111 E Auto Valley Drive, Mesa, AZ 85206. Office phone: 4809393409.
What is Dr. Nathan Ostler's NPI?
Dr. Nathan Ostler's National Provider Identifier (NPI) is 1023412301, issued by NPPES.
Does Dr. Nathan Ostler accept Medicare assignment?
Yes. Dr. Nathan Ostler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Ostler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.