Doctor profile · Federal record
Dr. Christopher Isham, MD
Internal Medicine Physician (CMS: Internal Medicine) · Ferndale, MI
- NPI 1265921753
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 9 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
221 W Troy St Ste 400
Ferndale, MI 482203903
(248) 844-6100
fax (248) 844-6102
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- February 15, 2024
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #4301506885
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265921753. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
360
Distinct HCPCS
6
Medicare allowed
$37,621
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 147 | 76 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 69 | 64 | $174 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 57 | 33 | $119 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 37 | 23 | $122 | |
99238 |
Hospital discharge day management, 30 minutes or less | 31 | 30 | $82 | |
36415 |
Insertion of needle into vein for collection of blood sample | 19 | 13 | $8 |
In context: peer comparison
Among 2 peers in Ferndale Internal Medicine Physician, average services per provider: 41. This provider delivers 8.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
319
Patients
129
Total drug cost
$9,566
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 46 | 23 | $344 |
| Atorvastatin Calcium | Generic | 46 | 23 | $618 |
| Losartan Potassium | Generic | 30 | 13 | $348 |
| Hydrochlorothiazide | Generic | 25 | 0 | $87 |
| Metoprolol Succinate | Generic | 22 | 12 | $355 |
| Lisinopril | Generic | 21 | 11 | $248 |
| Tamsulosin Hcl | Generic | 18 | 0 | $275 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 17 | 12 | $184 |
| Omeprazole | Generic | 16 | 0 | $122 |
| Furosemide | Generic | 15 | 0 | $61 |
Frequently asked questions
What is Dr. Christopher Isham's medical specialty?
Dr. Christopher Isham practices Internal Medicine Physician in Ferndale, MI.
Where does Dr. Christopher Isham practice?
Dr. Christopher Isham practices at 221 W Troy St Ste 400, Ferndale, MI 482203903. Office phone: 2488446100.
What is Dr. Christopher Isham's NPI?
Dr. Christopher Isham's National Provider Identifier (NPI) is 1265921753, issued by NPPES.
Does Dr. Christopher Isham accept Medicare assignment?
Yes. Dr. Christopher Isham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Isham commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.