Doctor profile · Federal record

Dr. Caroline Piatek, M.D,

Hematology (Internal Medicine) Physician (CMS: Hematology) · Internal Medicine Physician · Los Angeles, CA

  • NPI 1366746661
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1441 Eastlake Ave, Nor8302E
Los Angeles, CA 900890177
(323) 865-3105
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
December 2010 — 16 yrs on file
Profile last updated
November 27, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
California #A115210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366746661. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
297
Distinct HCPCS
5
Medicare allowed
$26,537
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 186 81 $70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 27 $84
99205 New patient office or other outpatient visit, 60-74 minutes 26 26 $192
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $138
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $153

In context: peer comparison

Among 5 peers in this city , average services per provider: 54. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$69,802
Transactions
69
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Apellis Pharmaceuticals, Inc. 17 $17,503.25
Novartis Pharmaceuticals Corporation 11 $10,860.62
Alexion Pharmaceuticals, Inc. 11 $10,819.92
GENZYME CORPORATION 13 $9,840.38
Rigel Pharmaceuticals, Inc. 3 $5,823.00
SOBI, INC 3 $5,189.78
Janssen Scientific Affairs, LLC 4 $2,735.63
Janssen Global Services, LLC 1 $2,725.00
Samsung Bioepis Co., Ltd. 2 $2,170.00
Agios Pharmaceuticals, Inc. 3 $2,007.50
ARGENX US, INC. 1 $127.35

By nature of payment

Consulting Fee
$37,049
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$25,031
Honoraria
$2,663
Travel and Lodging
$2,612
Food and Beverage
$2,448

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
87
Patients
16
Total drug cost
$57,922
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 65 16 $45,170
Xarelto (Rivaroxaban) Brand 22 0 $12,753

Frequently asked questions

Auto-generated from federal data
What is Dr. Caroline Piatek's medical specialty?
Dr. Caroline Piatek practices Hematology (Internal Medicine) Physician in Los Angeles, CA.
Where does Dr. Caroline Piatek practice?
Dr. Caroline Piatek practices at 1441 Eastlake Ave, Los Angeles, CA 900890177. Office phone: 3238653105.
What is Dr. Caroline Piatek's NPI?
Dr. Caroline Piatek's National Provider Identifier (NPI) is 1366746661, issued by NPPES.
Does Dr. Caroline Piatek accept Medicare assignment?
Yes. Dr. Caroline Piatek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caroline Piatek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.