Doctor profile · Federal record
Dr. Bartholomew Sak, MD
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Muskegon, MI
- NPI 1093755167
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 E Sherman Blvd
Muskegon, MI 494441849
(231) 672-3883
fax (231) 672-3973 - Mailing address
-
1560 E Sherman Blvd Ste 240
Muskegon, MI 494441854
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 22, 2022
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Michigan #4301068868
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093755167. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
795
Distinct HCPCS
6
Medicare allowed
$75,263
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 501 | 219 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 102 | 73 | $115 | |
99239 |
Hospital discharge day management, more than 30 minutes | 76 | 74 | $110 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 74 | 73 | $168 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 | $122 | |
99238 |
Hospital discharge day management, 30 minutes or less | 14 | 14 | $78 |
In context: peer comparison
Among 15 peers in Muskegon Hospitalist Physician, average services per provider: 86. This provider delivers 9.2× the peer median.Open Payments
Industry payments received
All-time total
$141
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 3 | $65.46 | |
| Novo Nordisk INC | 1 | $30.16 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $25.74 | |
| Mylan Specialty L.P. | 1 | $20.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
236
Patients
69
Total drug cost
$17,609
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 36 | 21 | $597 |
| Atorvastatin Calcium | Generic | 22 | 12 | $477 |
| Eliquis (Apixaban) | Brand | 21 | 0 | $13,871 |
| Furosemide | Generic | 21 | 12 | $83 |
| Amiodarone Hcl | Generic | 17 | 0 | $287 |
| Lisinopril | Generic | 17 | 0 | $93 |
| Bumetanide | Generic | 16 | 0 | $714 |
| Carvedilol | Generic | 16 | 0 | $335 |
| Amlodipine Besylate | Generic | 15 | 0 | $108 |
| Pantoprazole Sodium | Generic | 15 | 12 | $163 |
Frequently asked questions
What is Dr. Bartholomew Sak's medical specialty?
Dr. Bartholomew Sak practices Hospitalist Physician in Muskegon, MI.
Where does Dr. Bartholomew Sak practice?
Dr. Bartholomew Sak practices at 1500 E Sherman Blvd, Muskegon, MI 494441849. Office phone: 2316723883.
What is Dr. Bartholomew Sak's NPI?
Dr. Bartholomew Sak's National Provider Identifier (NPI) is 1093755167, issued by NPPES.
Does Dr. Bartholomew Sak accept Medicare assignment?
Yes. Dr. Bartholomew Sak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bartholomew Sak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.