Doctor profile · Federal record
Dr. Gregorio Tan, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Kalamazoo, MI
- NPI 1316926751
- Accepts Medicare
- MIPS 95.4 / 100 · 2023
- 47 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
1722 Shaffer St, Suite 1
Kalamazoo, MI 490481633
(269) 381-3963
fax (269) 381-2809
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Michigan #4301067381
- Medicaid
- MI #4387885
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316926751. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,317
Distinct HCPCS
10
Medicare allowed
$82,788
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 197 | 193 | $65 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 193 | 145 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 193 | 150 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 105 | 78 | $91 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 90 | 65 | $74 | |
78452 |
Nuclear medicine studies of heart muscle at rest and with stress and spect | 78 | 78 | $74 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 78 | 78 | $14 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 67 | 67 | $124 | |
93016 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 43 | 43 | $20 | |
93321 |
Ultrasound of heart blood flow, valves and chambers, follow-up | 37 | 37 | $7 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 77. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$116
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $61.90 | |
| Novartis Pharmaceuticals Corporation | 1 | $19.02 | |
| AstraZeneca Pharmaceuticals LP | 1 | $18.32 | |
| ZOLL Circulation Inc | 1 | $17.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,253
Patients
706
Total drug cost
$511,251
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 335 | 121 | $9,010 |
| Eliquis (Apixaban) | Brand | 257 | 79 | $305,800 |
| Atorvastatin Calcium | Generic | 252 | 76 | $4,898 |
| Xarelto (Rivaroxaban) | Brand | 198 | 39 | $170,718 |
| Metoprolol Tartrate | Generic | 185 | 58 | $2,624 |
| Lisinopril | Generic | 161 | 48 | $1,388 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 136 | 29 | $2,228 |
| Furosemide | Generic | 132 | 49 | $960 |
| Rosuvastatin Calcium | Generic | 121 | 45 | $3,835 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 87 | 28 | $2,132 |
Frequently asked questions
What is Dr. Gregorio Tan's medical specialty?
Dr. Gregorio Tan practices Cardiovascular Disease Physician in Kalamazoo, MI.
Where does Dr. Gregorio Tan practice?
Dr. Gregorio Tan practices at 1722 Shaffer St, Kalamazoo, MI 490481633. Office phone: 2693813963.
What is Dr. Gregorio Tan's NPI?
Dr. Gregorio Tan's National Provider Identifier (NPI) is 1316926751, issued by NPPES.
Does Dr. Gregorio Tan accept Medicare assignment?
Yes. Dr. Gregorio Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregorio Tan commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.