Doctor profile · Federal record
Dr. Rolf Knapp, D.O
Family Medicine Physician (CMS: Osteopathic Manipulative Medicine) · Orange, CA
- NPI 1053355982
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2540 N Santiago Blvd
Orange, CA 928671862
(714) 921-1030
fax (714) 921-1032 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 21, 2025
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #20A5513
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053355982. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
413
Distinct HCPCS
7
Medicare allowed
$47,494
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 232 | 119 | $137 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 56 | 56 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 49 | 47 | $99 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 34 | 34 | $21 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 14 | 14 | $75 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 14 | 13 | $62 | |
G0008 |
Administration of influenza virus vaccine | 14 | 14 | $33 |
In context: peer comparison
Among 31 peers in this city , average services per provider: 226. This provider delivers 1.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,880
Patients
490
Total drug cost
$33,314
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 242 | 66 | $4,527 |
| Atorvastatin Calcium | Generic | 200 | 61 | $2,613 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 192 | 38 | $6,459 |
| Omeprazole | Generic | 145 | 39 | $2,139 |
| Losartan Potassium | Generic | 141 | 41 | $2,019 |
| Amlodipine Besylate | Generic | 124 | 35 | $1,592 |
| Trazodone Hcl | Generic | 124 | 32 | $1,210 |
| Rosuvastatin Calcium | Generic | 101 | 28 | $4,422 |
| Tramadol Hcl | Generic | 98 | 14 | $1,127 |
| Alprazolam | Generic | 93 | 26 | $424 |
Frequently asked questions
What is Dr. Rolf Knapp's medical specialty?
Dr. Rolf Knapp practices Family Medicine Physician in Orange, CA.
Where does Dr. Rolf Knapp practice?
Dr. Rolf Knapp practices at 2540 N Santiago Blvd, Orange, CA 928671862. Office phone: 7149211030.
What is Dr. Rolf Knapp's NPI?
Dr. Rolf Knapp's National Provider Identifier (NPI) is 1053355982, issued by NPPES.
Does Dr. Rolf Knapp accept Medicare assignment?
Yes. Dr. Rolf Knapp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rolf Knapp commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.