Doctor profile · Federal record
Dr. James Mackay, MD
Hospitalist Physician (CMS: Internal Medicine) · Kalamazoo, MI
- NPI 1982684320
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
601 John St, Box 74
Kalamazoo, MI 490075341
(269) 341-8481
fax (269) 341-7781
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Michigan #4301077948
- Medicaid
- MI #4787466
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982684320. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
429
Distinct HCPCS
5
Medicare allowed
$35,307
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 252 | 122 | $78 | |
99238 |
Hospital discharge day management, 30 minutes or less | 73 | 70 | $79 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 45 | 44 | $128 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 38 | 26 | $49 | |
99239 |
Hospital discharge day management, more than 30 minutes | 21 | 21 | $112 |
In context: peer comparison
Among 4 peers in Kalamazoo Hospitalist Physician, average services per provider: 77. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$30
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 1 | $15.20 | |
| Merck Sharp & Dohme LLC | 1 | $14.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
242
Patients
93
Total drug cost
$31,635
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Tartrate | Generic | 41 | 11 | $213 |
| Atorvastatin Calcium | Generic | 35 | 11 | $403 |
| Eliquis (Apixaban) | Brand | 35 | 15 | $20,078 |
| Metoprolol Succinate | Generic | 23 | 12 | $317 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 18 | 0 | $385 |
| Cefpodoxime Proxetil | Generic | 17 | 17 | $584 |
| Pantoprazole Sodium | Generic | 17 | 0 | $192 |
| Potassium Chloride | Generic | 15 | 12 | $132 |
| Prednisone | Generic | 15 | 15 | $48 |
| Entresto (Sacubitril/Valsartan) | Brand | 13 | 0 | $8,430 |
Hospital affiliations
Frequently asked questions
What is Dr. James Mackay's medical specialty?
Dr. James Mackay practices Hospitalist Physician in Kalamazoo, MI.
Where does Dr. James Mackay practice?
Dr. James Mackay practices at 601 John St, Kalamazoo, MI 490075341. Office phone: 2693418481.
What is Dr. James Mackay's NPI?
Dr. James Mackay's National Provider Identifier (NPI) is 1982684320, issued by NPPES.
Does Dr. James Mackay accept Medicare assignment?
Yes. Dr. James Mackay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Mackay commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.