Doctor profile · Federal record
Dr. Alan Gruenefeldt, MD
Family Medicine Physician (CMS: Family Practice) · Auburn, CA
- NPI 1780795930
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
404 Auburn Folsom RD
Auburn, CA 956035515
(530) 885-6221
fax (530) 885-9403 - Mailing address
-
844 Old Tunnel RD Ste 100
Grass Valley, CA 959458524
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- October 4, 2023
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G69052
- Medicaid
- CA #00G690520
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780795930. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
796
Distinct HCPCS
7
Medicare allowed
$89,713
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 566 | 304 | $135 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 88 | 20 | $1 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 51 | 51 | $136 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 35 | 30 | $96 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 23 | 22 | $15 | |
17000 |
Destruction of precancer skin growth, 1 growth | 17 | 14 | $74 | |
20610 |
Aspiration and/or injection of fluid from large joint | 16 | 15 | $78 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 95. This provider delivers 8.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,434
Patients
1,379
Total drug cost
$82,492
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 719 | 224 | $11,157 |
| Losartan Potassium | Generic | 604 | 188 | $12,049 |
| Levothyroxine Sodium | Generic | 442 | 131 | $11,031 |
| Sertraline Hcl | Generic | 334 | 102 | $3,917 |
| Amlodipine Besylate | Generic | 294 | 92 | $2,709 |
| Gabapentin | Generic | 270 | 77 | $7,300 |
| Lisinopril | Generic | 252 | 82 | $2,728 |
| Hydrochlorothiazide | Generic | 247 | 75 | $1,180 |
| Omeprazole | Generic | 224 | 74 | $4,530 |
| Pantoprazole Sodium | Generic | 206 | 64 | $4,329 |
Hospital affiliations
Frequently asked questions
What is Dr. Alan Gruenefeldt's medical specialty?
Dr. Alan Gruenefeldt practices Family Medicine Physician in Auburn, CA.
Where does Dr. Alan Gruenefeldt practice?
Dr. Alan Gruenefeldt practices at 404 Auburn Folsom RD, Auburn, CA 956035515. Office phone: 5308856221.
What is Dr. Alan Gruenefeldt's NPI?
Dr. Alan Gruenefeldt's National Provider Identifier (NPI) is 1780795930, issued by NPPES.
Does Dr. Alan Gruenefeldt accept Medicare assignment?
Yes. Dr. Alan Gruenefeldt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Gruenefeldt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.