Doctor profile · Federal record
Dr. Carl Fieser, M.D.
Pain Medicine (Physical Medicine & Rehabilitation) Physician (CMS: Physical Medicine and Rehabilitation) · Physical Medicine & Rehabilitation Physician · Walnut Creek, CA
- NPI 1346515319
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
450 N Wiget Ln
Walnut Creek, CA 945982408
(925) 691-9806
fax (925) 691-9807
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Profile last updated
- September 13, 2012
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2081P2900X — NUCC code
- State license (1)
- California #A96870
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346515319. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,689
Distinct HCPCS
6
Medicare allowed
$390,260
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,060 | 163 | $149 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 992 | 163 | $107 | |
G0483 |
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms | 452 | 158 | $241 | |
96138 |
Administration of psychological or neuropsychological test by technician, first 30 minutes | 90 | 68 | $46 | |
96130 |
Evaluation of psychological test, first hour | 80 | 40 | $131 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 14 | $210 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 202. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$367
Transactions
17
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Electronic Waveform Lab, Inc. | 7 | $172.15 | |
| Forte Bio-Pharma LLC | 3 | $73.39 | |
| SCILEX PHARMACEUTICALS INC. | 3 | $48.13 | |
| Medtronic, Inc. | 1 | $19.52 | |
| ABBVIE INC. | 1 | $19.51 | |
| Nalu Medical, Inc. | 1 | $17.70 | |
| Abbott Laboratories | 1 | $16.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
536
Patients
206
Total drug cost
$19,513
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 166 | 86 | $6,067 |
| Gabapentin | Generic | 79 | 34 | $1,300 |
| Oxycodone Hcl | Generic | 74 | 29 | $1,595 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 37 | 18 | $1,589 |
| Cyclobenzaprine Hcl | Generic | 24 | 14 | $278 |
| Pregabalin | Generic | 24 | 11 | $1,463 |
| Diclofenac Sodium | Generic | 22 | 14 | $902 |
| Morphine Sulfate Er (Morphine Sulfate) | Brand | 18 | 0 | $535 |
| Zolpidem Tartrate | Generic | 16 | 0 | $136 |
| Tramadol Hcl | Generic | 15 | 0 | $50 |
Frequently asked questions
What is Dr. Carl Fieser's medical specialty?
Dr. Carl Fieser practices Pain Medicine (Physical Medicine & Rehabilitation) Physician in Walnut Creek, CA.
Where does Dr. Carl Fieser practice?
Dr. Carl Fieser practices at 450 N Wiget Ln, Walnut Creek, CA 945982408. Office phone: 9256919806.
What is Dr. Carl Fieser's NPI?
Dr. Carl Fieser's National Provider Identifier (NPI) is 1346515319, issued by NPPES.
Does Dr. Carl Fieser accept Medicare assignment?
Yes. Dr. Carl Fieser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carl Fieser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (HCPCS G0483). Source: CMS Medicare Physician & Other Practitioners file.