Doctor profile · Federal record
Dr. Sharon Siefert, M.D
Family Medicine Physician (CMS: Family Practice) · Sparta, MI
- NPI 1598769242
- Accepts Medicare
- 41 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2111 12 Mile RD Nw
Sparta, MI 493459754
(616) 391-8470
fax (616) 391-8495
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- February 17, 2021
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Michigan #4301050686
- Medicaid
- MI #4198672
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598769242. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
301
Distinct HCPCS
8
Medicare allowed
$16,702
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 137 | 90 | $78 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 48 | 48 | $32 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 20 | $74 | |
G0008 |
Administration of influenza virus vaccine | 24 | 24 | $29 | |
83036 |
Hemoglobin a1c level | 22 | 17 | $10 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 21 | 21 | $74 | |
82044 |
Urine microalbumin (protein) analysis | 12 | 12 | $6 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 12 | 12 | $5 |
In context: peer comparison
Among 6 peers in Sparta Family Medicine Physician, average services per provider: 43. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$82
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 4 | $81.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,892
Patients
780
Total drug cost
$70,063
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 334 | 89 | $8,532 |
| Atorvastatin Calcium | Generic | 323 | 84 | $7,027 |
| Lisinopril | Generic | 278 | 71 | $3,591 |
| Omeprazole | Generic | 278 | 90 | $6,042 |
| Amlodipine Besylate | Generic | 255 | 74 | $3,279 |
| Metoprolol Succinate | Generic | 210 | 57 | $9,222 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 189 | 31 | $3,915 |
| Losartan Potassium | Generic | 173 | 52 | $4,178 |
| Pravastatin Sodium | Generic | 160 | 45 | $3,774 |
| Rosuvastatin Calcium | Generic | 134 | 44 | $7,146 |
Hospital affiliations
Frequently asked questions
What is Dr. Sharon Siefert's medical specialty?
Dr. Sharon Siefert practices Family Medicine Physician in Sparta, MI.
Where does Dr. Sharon Siefert practice?
Dr. Sharon Siefert practices at 2111 12 Mile RD Nw, Sparta, MI 493459754. Office phone: 6163918470.
What is Dr. Sharon Siefert's NPI?
Dr. Sharon Siefert's National Provider Identifier (NPI) is 1598769242, issued by NPPES.
Does Dr. Sharon Siefert accept Medicare assignment?
Yes. Dr. Sharon Siefert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sharon Siefert commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.