Doctor profile · Federal record
Dr. Zachary Boltwood, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Ann Arbor, MI
- NPI 1780064410
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 East Medical Center Dr, 3Rd Floor Taubman Ctr Recp 'B'
Ann Arbor, MI 481095352
(734) 936-5582 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- January 30, 2020
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #5101023899
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780064410. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
314
Distinct HCPCS
5
Medicare allowed
$32,491
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 139 | 57 | $81 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 115 | 45 | $121 | |
99239 |
Hospital discharge day management, more than 30 minutes | 24 | 24 | $117 | |
99238 |
Hospital discharge day management, 30 minutes or less | 19 | 19 | $82 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 17 | $177 |
In context: peer comparison
Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 4.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Zachary Boltwood's medical specialty?
Dr. Zachary Boltwood practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Zachary Boltwood practice?
Dr. Zachary Boltwood practices at 1500 East Medical Center Dr, Ann Arbor, MI 481095352. Office phone: 7349365582.
What is Dr. Zachary Boltwood's NPI?
Dr. Zachary Boltwood's National Provider Identifier (NPI) is 1780064410, issued by NPPES.
Does Dr. Zachary Boltwood accept Medicare assignment?
Yes. Dr. Zachary Boltwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Boltwood 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.