Doctor profile · Federal record
Dr. Gregory Rosa, MD
Family Medicine Physician (CMS: Family Practice) · Sebastopol, CA
- NPI 1902861453
- Accepts Medicare
- 53 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6800 Palm Ave, D
Sebastopol, CA 954724269
(707) 823-7616
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- June 3, 2011
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #C35981
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902861453. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,130
Distinct HCPCS
9
Medicare allowed
$114,218
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 393 | 184 | $98 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 282 | 138 | $98 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 154 | 102 | $62 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 103 | 103 | $140 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 101 | 80 | $139 | |
G0009 |
Administration of pneumococcal vaccine | 38 | 38 | $29 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 30 | 30 | $281 | |
83036 |
Hemoglobin a1c level | 15 | 14 | $10 | |
81002 |
Urinalysis, manual test | 14 | 13 | $3 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 108. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,482
Patients
428
Total drug cost
$26,893
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 229 | 72 | $3,568 |
| Levothyroxine Sodium | Generic | 206 | 60 | $3,933 |
| Amlodipine Besylate | Generic | 121 | 35 | $1,310 |
| Metformin Hcl | Generic | 105 | 29 | $1,186 |
| Losartan Potassium | Generic | 100 | 32 | $1,363 |
| Lisinopril | Generic | 96 | 28 | $1,310 |
| Tamsulosin Hcl | Generic | 95 | 27 | $3,353 |
| Trazodone Hcl | Generic | 89 | 21 | $1,751 |
| Indapamide | Generic | 78 | 26 | $1,808 |
| Gabapentin | Generic | 76 | 24 | $1,369 |
Frequently asked questions
What is Dr. Gregory Rosa's medical specialty?
Dr. Gregory Rosa practices Family Medicine Physician in Sebastopol, CA.
Where does Dr. Gregory Rosa practice?
Dr. Gregory Rosa practices at 6800 Palm Ave, Sebastopol, CA 954724269. Office phone: 7078237616.
What is Dr. Gregory Rosa's NPI?
Dr. Gregory Rosa's National Provider Identifier (NPI) is 1902861453, issued by NPPES.
Does Dr. Gregory Rosa accept Medicare assignment?
Yes. Dr. Gregory Rosa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Rosa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.