Doctor profile · Federal record

Dr. Caitlin O'Neill

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

  • NPI 1497174262
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1441 Eastlake Ave # Nor3470
Los Angeles, CA 900891029
(323) 865-3105
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
November 27, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
California #A141109
Medicaid
CA #CO3232267556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497174262. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
302
Distinct HCPCS
8
Medicare allowed
$30,192
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 76 44 $104
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 54 32 $52
99213 Established patient office or other outpatient visit, 20-29 minutes 51 36 $70
99205 New patient office or other outpatient visit, 60-74 minutes 47 47 $192
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 14 $84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $138
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 19 19 $88
99212 Established patient office or other outpatient visit, 10-19 minutes 12 11 $38

In context: peer comparison

Among 5 peers in Los Angeles Hematology (Internal Medicine) Physician, average services per provider: 54. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$260
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
PharmaEssentia USA Corporation 2 $193.64
Novartis Pharmaceuticals Corporation 1 $23.26
Alexion Pharmaceuticals, INC. 1 $22.27
Sobi, INC 1 $20.36

By nature of payment

Food and Beverage
$260

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
0
Total drug cost
$50,793
Drug Type Claims Patients Total cost
Xarelto (Rivaroxaban) Brand 17 0 $28,604
Eliquis (Apixaban) Brand 16 0 $17,559
Enoxaparin Sodium Generic 12 0 $4,630

Frequently asked questions

Auto-generated from federal data
What is Dr. Caitlin O'Neill's medical specialty?
Dr. Caitlin O'Neill practices Hematology (Internal Medicine) Physician in Los Angeles, CA.
Where does Dr. Caitlin O'Neill practice?
Dr. Caitlin O'Neill practices at 1441 Eastlake Ave # Nor3470, Los Angeles, CA 900891029. Office phone: 3238653105.
What is Dr. Caitlin O'Neill's NPI?
Dr. Caitlin O'Neill's National Provider Identifier (NPI) is 1497174262, issued by NPPES.
Does Dr. Caitlin O'Neill accept Medicare assignment?
Yes. Dr. Caitlin O'Neill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caitlin O'Neill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.