Doctor profile · Federal record

Dr. Tara Ostrom, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Phoenix, AZ

  • NPI 1124017009
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20040 N 19Th Ave, Suite A
Phoenix, AZ 850274255
(623) 869-5000
fax (623) 869-0927
Mailing address
Po Box 35380
Las Vegas, NV 891335380

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
January 27, 2017
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arizona #26889
Medicaid
AZ #565492

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124017009. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
137
Distinct HCPCS
4
Medicare allowed
$15,175
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 48 37 $124
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 42 42 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 36 29 $88
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 11 11 $76

In context: peer comparison

Among 171 peers in this city , average services per provider: 159. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,827
Patients
643
Total drug cost
$27,894
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 344 115 $3,856
Levothyroxine Sodium Generic 259 86 $4,522
Lisinopril Generic 155 49 $1,180
Pravastatin Sodium Generic 151 43 $3,178
Amlodipine Besylate Generic 148 56 $752
Losartan Potassium Generic 140 50 $2,204
Rosuvastatin Calcium Generic 114 42 $1,673
Metformin Hcl Generic 85 28 $1,059
Metoprolol Tartrate Generic 73 23 $1,302
Tamsulosin Hcl Generic 67 19 $1,720

Frequently asked questions

Auto-generated from federal data
What is Dr. Tara Ostrom's medical specialty?
Dr. Tara Ostrom practices Internal Medicine Physician in Phoenix, AZ.
Where does Dr. Tara Ostrom practice?
Dr. Tara Ostrom practices at 20040 N 19Th Ave, Phoenix, AZ 850274255. Office phone: 6238695000.
What is Dr. Tara Ostrom's NPI?
Dr. Tara Ostrom's National Provider Identifier (NPI) is 1124017009, issued by NPPES.
Does Dr. Tara Ostrom accept Medicare assignment?
Yes. Dr. Tara Ostrom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tara Ostrom commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.