Doctor profile · Federal record
Dr. Darwin Roman, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Newport Beach, CA
- NPI 1821478082
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1441 Avocado Ave Ste 301
Newport Beach, CA 926607704
(657) 241-9805
fax (949) 272-2096
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- November 7, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- California #A161572 · Oklahoma #31646
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821478082. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
291
Distinct HCPCS
6
Medicare allowed
$32,581
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 93 | 36 | $151 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 73 | 21 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 61 | 26 | $103 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 34 | 15 | $125 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $190 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 12 | $182 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 1,060. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 1 | $24.69 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Darwin Roman's medical specialty?
Dr. Darwin Roman practices Hematology & Oncology Physician in Newport Beach, CA.
Where does Dr. Darwin Roman practice?
Dr. Darwin Roman practices at 1441 Avocado Ave Ste 301, Newport Beach, CA 926607704. Office phone: 6572419805.
What is Dr. Darwin Roman's NPI?
Dr. Darwin Roman's National Provider Identifier (NPI) is 1821478082, issued by NPPES.
Does Dr. Darwin Roman accept Medicare assignment?
Yes. Dr. Darwin Roman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darwin Roman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.