Doctor profile · Federal record
Dr. Gregory Wolf, M.D.
Family Medicine Physician (CMS: Family Practice) · Adult Medicine Physician · Orange, CA
- NPI 1881653467
- Accepts Medicare
- 44 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
2617 E Chapman Ave, #204
Orange, CA 928693226
(714) 633-4040
fax (714) 633-1432
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G050845
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881653467. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
621
Distinct HCPCS
4
Medicare allowed
$80,729
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 353 | 161 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 217 | 77 | $98 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 32 | 31 | $182 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $238 |
In context: peer comparison
Among 31 peers in this city , average services per provider: 226. This provider delivers 2.7× the peer median.Open Payments
Industry payments received
All-time total
$75
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 3 | $75.05 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,277
Patients
248
Total drug cost
$30,294
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Progesterone (Progesterone, Micronized) | Brand | 190 | 36 | $7,468 |
| Amlodipine Besylate | Generic | 165 | 39 | $1,028 |
| Levothyroxine Sodium | Generic | 120 | 35 | $2,201 |
| Liothyronine Sodium | Generic | 99 | 24 | $6,789 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 97 | 11 | $2,674 |
| Atorvastatin Calcium | Generic | 89 | 21 | $775 |
| Alprazolam | Generic | 72 | 13 | $437 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 69 | 0 | $3,595 |
| Zolpidem Tartrate | Generic | 63 | 12 | $295 |
| Hydrochlorothiazide | Generic | 58 | 12 | $275 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Wolf's medical specialty?
Dr. Gregory Wolf practices Family Medicine Physician in Orange, CA.
Where does Dr. Gregory Wolf practice?
Dr. Gregory Wolf practices at 2617 E Chapman Ave, Orange, CA 928693226. Office phone: 7146334040.
What is Dr. Gregory Wolf's NPI?
Dr. Gregory Wolf's National Provider Identifier (NPI) is 1881653467, issued by NPPES.
Does Dr. Gregory Wolf accept Medicare assignment?
Yes. Dr. Gregory Wolf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Wolf 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.