Doctor profile · Federal record
Dr. Gretchen Leffler, PAC
Physician Assistant · Kalamazoo, MI
- NPI 1255457677
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5629 Stadium Drive, Suite D
Kalamazoo, MI 490091952
(269) 372-5701
fax (269) 372-5702 - Mailing address
-
5629 Stadium Dr, Suite D
Kalamazoo, MI 490091952
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Michigan #5601004107
- Medicaid
- MI #1255457677
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255457677. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
178
Distinct HCPCS
2
Medicare allowed
$12,521
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 159 | 70 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 16 | $60 |
In context: peer comparison
Among 49 peers in Kalamazoo Physician Assistant, average services per provider: 59. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$494
Transactions
22
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 10 | $162.83 | |
| Amgen INC. | 3 | $149.56 | |
| Dexcom, INC. | 2 | $49.87 | |
| Abbott Laboratories | 2 | $45.47 | |
| Abbvie INC. | 2 | $39.34 | |
| Lilly USA, LLC | 2 | $27.12 | |
| Astellas Pharma US INC | 1 | $20.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,067
Patients
518
Total drug cost
$36,605
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 335 | 78 | $6,431 |
| Atorvastatin Calcium | Generic | 240 | 61 | $4,939 |
| Omeprazole | Generic | 182 | 46 | $3,649 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 172 | 35 | $4,273 |
| Metoprolol Succinate | Generic | 141 | 40 | $3,166 |
| Sertraline Hcl | Generic | 139 | 33 | $1,737 |
| Amlodipine Besylate | Generic | 122 | 39 | $1,687 |
| Alprazolam | Generic | 117 | 27 | $683 |
| Gabapentin | Generic | 106 | 30 | $2,097 |
| Losartan Potassium | Generic | 105 | 24 | $1,622 |
Hospital affiliations
Frequently asked questions
What is Dr. Gretchen Leffler's medical specialty?
Dr. Gretchen Leffler practices Physician Assistant in Kalamazoo, MI.
Where does Dr. Gretchen Leffler practice?
Dr. Gretchen Leffler practices at 5629 Stadium Drive, Kalamazoo, MI 490091952. Office phone: 2693725701.
What is Dr. Gretchen Leffler's NPI?
Dr. Gretchen Leffler's National Provider Identifier (NPI) is 1255457677, issued by NPPES.
Does Dr. Gretchen Leffler accept Medicare assignment?
Yes. Dr. Gretchen Leffler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Leffler 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). Source: CMS Medicare Physician & Other Practitioners file.