Doctor profile · Federal record
Dr. Andrea Heyn, MD
Family Medicine Physician (CMS: Family Practice) · Obstetrics & Gynecology Physician · Obstetrics Physician · Merced, CA
- NPI 1194159319
- Accepts Medicare
- MIPS 85.2 / 100 · 2023
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 7 locations .
- Primary practice
-
3349 G St Ste F
Merced, CA 953400978
(209) 349-8459
fax (209) 233-9837 - Additional location
-
127 W El Portal Dr
Merced, CA 953482853
(209) 723-3704
fax (209) 723-0272 - Additional location
-
2823 Fresno St
Fresno, CA 937211324
(559) 459-6000
fax (559) 459-6109 - Additional location
-
372 W Cypress Ave
Reedley, CA 936542113
(559) 638-8155 - Additional location
-
374 W Olive Ave Ste B
Merced, CA 953483181
(209) 383-3076
fax (209) 383-6301 - Additional location
-
3940 Sandpiper Ave
Merced, CA 953408372
(209) 722-4842 - Additional location
-
857 W Childs Ave
Merced, CA 953416862
(209) 722-4842
Show 4 more locations
Credentials & registration
- NPI registered
- August 2013 — 13 yrs on file
- Profile last updated
- December 20, 2023
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A132106
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194159319. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
259
Distinct HCPCS
4
Medicare allowed
$24,769
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 140 | 64 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 67 | 50 | $91 | |
83036 |
Hemoglobin a1c level | 41 | 22 | $10 | |
G0008 |
Administration of influenza virus vaccine | 11 | 11 | $31 |
In context: peer comparison
Among 22 peers in this city , average services per provider: 116. This provider delivers 2.2× the peer median.Open Payments
Industry payments received
All-time total
$16
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 1 | $15.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
661
Patients
131
Total drug cost
$58,199
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 98 | 26 | $1,496 |
| Losartan Potassium | Generic | 74 | 22 | $1,307 |
| Amlodipine Besylate | Generic | 60 | 17 | $535 |
| Levothyroxine Sodium | Generic | 60 | 15 | $1,529 |
| Lisinopril | Generic | 49 | 15 | $492 |
| Metoprolol Succinate | Generic | 49 | 12 | $1,140 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 41 | 12 | $1,726 |
| Furosemide | Generic | 35 | 12 | $337 |
| Ezetimibe | Generic | 34 | 0 | $1,941 |
| Meloxicam | Generic | 29 | 0 | $114 |
Frequently asked questions
What is Dr. Andrea Heyn's medical specialty?
Dr. Andrea Heyn practices Family Medicine Physician in Merced, CA.
Where does Dr. Andrea Heyn practice?
Dr. Andrea Heyn practices at 3349 G St Ste F, Merced, CA 953400978. Office phone: 2093498459.
What is Dr. Andrea Heyn's NPI?
Dr. Andrea Heyn's National Provider Identifier (NPI) is 1194159319, issued by NPPES.
Does Dr. Andrea Heyn accept Medicare assignment?
Yes. Dr. Andrea Heyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrea Heyn 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); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.