Doctor profile · Federal record

Dr. Harold Oster, MD

Internal Medicine Physician · Plymouth, MN

  • NPI 1417915695
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2855 Campus Dr, Suite 400
Plymouth, MN 554412659
(763) 577-7400
Mailing address
2925 Chicago Ave
Minneapolis, MN 554071321

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 11, 2021
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Minnesota #46603

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417915695. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,139
Distinct HCPCS
10
Medicare allowed
$91,261
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 436 247 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 294 217 $125
80048 Blood test, basic group of blood chemicals (calcium, total) 227 201 $8
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 174 167 $6
93793 Anticoagulant management of patient taking warfarin 170 13 $11
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 128 128 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 107 97 $89
85610 Blood test, clotting time 101 11 $4
80061 Blood test, lipids (cholesterol and triglycerides) 93 87 $13
83036 Hemoglobin a1c level 71 61 $10

In context: peer comparison

Among 4 peers in Plymouth Internal Medicine Physician, average services per provider: 78. This provider delivers 27× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,914
Patients
1,398
Total drug cost
$299,391
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 843 223 $17,844
Amlodipine Besylate Generic 497 141 $6,703
Rosuvastatin Calcium Generic 438 130 $13,980
Lisinopril Generic 397 110 $5,953
Levothyroxine Sodium Generic 377 103 $7,547
Omeprazole Generic 365 114 $6,619
Losartan Potassium Generic 346 103 $7,947
Metoprolol Succinate Generic 317 97 $8,095
Simvastatin Generic 222 61 $3,756
Metformin Hcl Generic 220 60 $3,060

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Oster's medical specialty?
Dr. Harold Oster practices Internal Medicine Physician in Plymouth, MN.
Where does Dr. Harold Oster practice?
Dr. Harold Oster practices at 2855 Campus Dr, Plymouth, MN 554412659. Office phone: 7635777400.
What is Dr. Harold Oster's NPI?
Dr. Harold Oster's National Provider Identifier (NPI) is 1417915695, issued by NPPES.
What procedures does Dr. Harold Oster commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.