Doctor profile · Federal record
Dr. Leigh Seamon, D.O.
Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Grand Rapids, MI
- NPI 1821147422
- Accepts Medicare
- MIPS 93.8 / 100 · 2023
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
145 Michigan St Ne, Suite 6300
Grand Rapids, MI 495032562
(616) 486-6000
fax (616) 486-2065 - Mailing address
-
100 Michigan St Ne
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- April 2, 2026
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207VX0201X — NUCC code
- State license (1)
- Ohio #34.008774
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821147422. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
91
Distinct HCPCS
3
Medicare allowed
$15,787
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 62 | 34 | $174 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $214 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 11 | $122 |
In context: peer comparison
Among 3 peers in Grand Rapids Gynecologic Oncology Physician, average services per provider: 28. This provider delivers 3.3× the peer median.Open Payments
Industry payments received
All-time total
$2,043
Transactions
9
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 9 | $2,042.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
32
Patients
12
Total drug cost
$321,054
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Zejula (Niraparib Tosylate) | Brand | 18 | 0 | $320,855 |
| Prochlorperazine Maleate | Generic | 14 | 12 | $199 |
Hospital affiliations
Frequently asked questions
What is Dr. Leigh Seamon's medical specialty?
Dr. Leigh Seamon practices Gynecologic Oncology Physician in Grand Rapids, MI.
Where does Dr. Leigh Seamon practice?
Dr. Leigh Seamon practices at 145 Michigan St Ne, Grand Rapids, MI 495032562. Office phone: 6164866000.
What is Dr. Leigh Seamon's NPI?
Dr. Leigh Seamon's National Provider Identifier (NPI) is 1821147422, issued by NPPES.
Does Dr. Leigh Seamon accept Medicare assignment?
Yes. Dr. Leigh Seamon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leigh Seamon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.