Doctor profile · Federal record
Dr. Stephanie Greger, M.D.
Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Ventura, CA
- NPI 1912138132
- Accepts Medicare
- MIPS 82.2 / 100 · 2023
- 22 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
3291 Loma Vista RD Bldg 340, Ste 502
Ventura, CA 930033099
(805) 652-6222
fax (805) 652-6221 - Additional location
-
300 Hillmont Ave Ste 502
Ventura, CA 930031651 - Additional location
-
845 N 10Th St Ste 3
Santa Paula, CA 930601348
(805) 525-0215 - Mailing address
-
2323 Knoll Dr
Ventura, CA 930037307
Credentials & registration
- NPI registered
- August 2009 — 17 yrs on file
- Profile last updated
- July 13, 2023
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State licenses (2)
- California #A102891 · Massachusetts #245362
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912138132. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
130
Distinct HCPCS
4
Medicare allowed
$18,088
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 77 | 55 | $139 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 18 | $194 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 17 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $98 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 33. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
911
Patients
139
Total drug cost
$2,032,388
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 171 | 37 | $8,485 |
| Prednisone | Generic | 112 | 32 | $1,174 |
| Leflunomide | Generic | 87 | 18 | $7,049 |
| Hydroxychloroquine Sulfate | Generic | 84 | 24 | $5,273 |
| Enbrel Sureclick (Etanercept) | Brand | 80 | 12 | $624,798 |
| Diclofenac Sodium | Generic | 68 | 16 | $4,593 |
| Rinvoq (Upadacitinib) | Brand | 66 | 0 | $452,032 |
| Enbrel (Etanercept) | Brand | 62 | 0 | $475,128 |
| Humira(Cf) Pen (Adalimumab) | Brand | 42 | 0 | $320,482 |
| Sulfasalazine | Generic | 38 | 0 | $1,413 |
Frequently asked questions
What is Dr. Stephanie Greger's medical specialty?
Dr. Stephanie Greger practices Rheumatology Physician in Ventura, CA.
Where does Dr. Stephanie Greger practice?
Dr. Stephanie Greger practices at 3291 Loma Vista RD Bldg 340, Ventura, CA 930033099. Office phone: 8056526222.
What is Dr. Stephanie Greger's NPI?
Dr. Stephanie Greger's National Provider Identifier (NPI) is 1912138132, issued by NPPES.
Does Dr. Stephanie Greger accept Medicare assignment?
Yes. Dr. Stephanie Greger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Greger 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 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.