Doctor profile · Federal record

Dr. Olga Calof, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · San Pedro, CA

  • NPI 1386667723
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1499 W 1St St
San Pedro, CA 907323255
(310) 831-9482
fax (310) 241-2510

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 29, 2021
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A78689

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386667723. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,109
Distinct HCPCS
8
Medicare allowed
$98,956
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 382 220 $141
82962 Blood glucose (sugar) test performed by hand-held instrument 276 147 $3
99215 Established patient office or other outpatient visit, 40-54 minutes 135 80 $197
83036 Hemoglobin a1c level 125 92 $10
36415 Insertion of needle into vein for collection of blood sample 96 74 $8
99442 Telephone medical discussion with physician, 11-20 minutes 42 31 $100
99205 New patient office or other outpatient visit, 60-74 minutes 30 30 $241
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $183

In context: peer comparison

Among 1 peers in San Pedro Endocrinology, Diabetes & Metabolism Physician, average services per provider: 138. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,345
Transactions
25
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 10 $894.54
Abbott Laboratories 12 $365.16
Sanofi-Aventis U.S. LLC 1 $32.43
Mannkind Corporation 1 $31.10
Esperion Therapeutics, INC. 1 $22.00

By nature of payment

Food and Beverage
$1,345

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,990
Patients
644
Total drug cost
$898,776
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 369 105 $7,729
Metformin Hcl ER (Metformin Hcl) Brand 256 83 $7,185
Jardiance (Empagliflozin) Brand 180 53 $251,342
Atorvastatin Calcium Generic 165 51 $3,606
Ozempic (Semaglutide) Brand 134 37 $202,553
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 112 48 $11,796
Metformin Hcl Generic 109 37 $2,189
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 102 47 $69,845
Pioglitazone Hcl Generic 102 35 $2,496
Lisinopril Generic 92 34 $1,329

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Olga Calof's medical specialty?
Dr. Olga Calof practices Endocrinology, Diabetes & Metabolism Physician in San Pedro, CA.
Where does Dr. Olga Calof practice?
Dr. Olga Calof practices at 1499 W 1St St, San Pedro, CA 907323255. Office phone: 3108319482.
What is Dr. Olga Calof's NPI?
Dr. Olga Calof's National Provider Identifier (NPI) is 1386667723, issued by NPPES.
Does Dr. Olga Calof accept Medicare assignment?
Yes. Dr. Olga Calof accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olga Calof commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.