Doctor profile · Federal record
Dr. Isaac Humphrey, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Dayton, OH
- NPI 1649357724
- Accepts Medicare
- MIPS 97.4 / 100 · 2023
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
33 W Rahn RD
Dayton, OH 454292219
(937) 433-8990
fax (937) 433-8691 - Mailing address
-
4340 Wallington Dr
Kettering, OH 454401236
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- May 4, 2017
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Ohio #35.089624 · Ohio #OHIO TRAINING
- Medicaid
- OH #0096720
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649357724. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
701
Distinct HCPCS
4
Medicare allowed
$79,252
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99239 |
Hospital discharge day management, more than 30 minutes | 206 | 187 | $110 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 200 | 123 | $76 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 151 | 143 | $166 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 144 | 85 | $114 |
In context: peer comparison
Among 60 peers in Dayton Internal Medicine Physician, average services per provider: 144. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$32,778
Transactions
53
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 50 | $32,722.01 | |
| Janssen Pharmaceuticals, INC | 2 | $33.36 | |
| Abiomed | 1 | $22.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
13
Total drug cost
$44
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 13 | 13 | $44 |
Hospital affiliations
Frequently asked questions
What is Dr. Isaac Humphrey's medical specialty?
Dr. Isaac Humphrey practices Internal Medicine Physician in Dayton, OH.
Where does Dr. Isaac Humphrey practice?
Dr. Isaac Humphrey practices at 33 W Rahn RD, Dayton, OH 454292219. Office phone: 9374338990.
What is Dr. Isaac Humphrey's NPI?
Dr. Isaac Humphrey's National Provider Identifier (NPI) is 1649357724, issued by NPPES.
Does Dr. Isaac Humphrey accept Medicare assignment?
Yes. Dr. Isaac Humphrey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Humphrey commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.