Doctor profile · Federal record

Dr. James Krempasky, D.O.

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Family Medicine Physician · Torrance, CA

  • NPI 1558799627
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
21311 Madrona Ave Ste 100A
Torrance, CA 905035970
(310) 792-4400
fax (424) 212-5975
Additional location
201 Old Bank RD, Ste. 100
Milford, OH 451502416
(513) 683-1200
fax (513) 683-5701
Mailing address
201 Old Bank RD Ste 100
Milford, OH 451502443

Credentials & registration

NPPES · NUCC
NPI registered
October 2013 — 13 yrs on file
Profile last updated
February 27, 2026
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
California #20A23159 · Ohio #58005250 · Ohio #34.012125

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558799627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
581
Distinct HCPCS
7
Medicare allowed
$51,299
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 233 115 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 136 114 $86
83036 Hemoglobin a1c level 95 37 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 69 69 $123
82044 Urine microalbumin (protein) analysis 22 20 $6
81003 Automated urinalysis test 13 11 $2
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 13 13 $157

In context: peer comparison

Among 28 peers in Torrance Family Medicine Physician, average services per provider: 253. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Bard Peripheral Vascular, INC. 1 $18.55
Abbott Laboratories 1 $15.90

By nature of payment

Food and Beverage
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,283
Patients
662
Total drug cost
$24,391
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 440 125 $5,004
Amlodipine Besylate Generic 218 64 $1,713
Levothyroxine Sodium Generic 197 58 $2,591
Lisinopril Generic 195 54 $1,556
Metformin Hcl Generic 189 52 $1,346
Omeprazole Generic 125 33 $1,142
Gabapentin Generic 120 24 $2,034
Sertraline Hcl Generic 119 25 $887
Fluticasone Propionate Generic 118 70 $1,316
Tamsulosin Hcl Generic 111 28 $1,269

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Krempasky's medical specialty?
Dr. James Krempasky practices Family Medicine Physician in Torrance, CA.
Where does Dr. James Krempasky practice?
Dr. James Krempasky practices at 21311 Madrona Ave Ste 100A, Torrance, CA 905035970. Office phone: 3107924400.
What is Dr. James Krempasky's NPI?
Dr. James Krempasky's National Provider Identifier (NPI) is 1558799627, issued by NPPES.
Does Dr. James Krempasky accept Medicare assignment?
Yes. Dr. James Krempasky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Krempasky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.