Doctor profile · Federal record
Dr. Richard Chyan, MD
Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Tustin, CA
- NPI 1013406628
- Accepts Medicare
- MIPS 0.0 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
13522 Newport Ave Ste 102
Tustin, CA 927803707
(714) 987-1211
fax (551) 236-2481 - Mailing address
-
Po Box 5532
Irvine, CA 926165532
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- July 16, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 208100000X — NUCC code
- State license (1)
- California #A163678
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013406628. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,868
Distinct HCPCS
5
Medicare allowed
$177,001
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,154 | 304 | $83 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 458 | 112 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 212 | 185 | $182 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 26 | 26 | $141 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 18 | 14 | $125 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 1,149. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ANI Pharmaceuticals, Inc. | 1 | $24.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
448
Patients
220
Total drug cost
$17,412
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 112 | 52 | $3,377 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 53 | 37 | $1,017 |
| Oxycodone Hcl | Generic | 50 | 28 | $944 |
| Methocarbamol | Generic | 48 | 30 | $811 |
| Pregabalin | Generic | 30 | 21 | $1,653 |
| Tramadol Hcl | Generic | 23 | 12 | $563 |
| Methadone Hcl | Generic | 22 | 0 | $344 |
| Duloxetine Hcl | Generic | 17 | 13 | $303 |
| Diclofenac Sodium | Generic | 16 | 11 | $761 |
| Famotidine | Generic | 16 | 16 | $126 |
Hospital affiliations
Frequently asked questions
What is Dr. Richard Chyan's medical specialty?
Dr. Richard Chyan practices Physical Medicine & Rehabilitation Physician in Tustin, CA.
Where does Dr. Richard Chyan practice?
Dr. Richard Chyan practices at 13522 Newport Ave Ste 102, Tustin, CA 927803707. Office phone: 7149871211.
What is Dr. Richard Chyan's NPI?
Dr. Richard Chyan's National Provider Identifier (NPI) is 1013406628, issued by NPPES.
Does Dr. Richard Chyan accept Medicare assignment?
Yes. Dr. Richard Chyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Chyan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.