Doctor profile · Federal record
Dr. Karen Underhill, ANP-C
Nurse Practitioner · Adult Health Nurse Practitioner · Ann Arbor, MI
- NPI 1679590285
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1200 Earhart RD
Ann Arbor, MI 481052768
(734) 769-0177 - Mailing address
-
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- February 9, 2015
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Michigan #4704146521
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679590285. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
337
Distinct HCPCS
3
Medicare allowed
$35,746
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 187 | 130 | $91 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 91 | 73 | $132 | |
99316 |
Nursing facility discharge management, more than 30 minutes | 59 | 59 | $113 |
In context: peer comparison
Among 105 peers in Ann Arbor Nurse Practitioner, average services per provider: 57. This provider delivers 5.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
202
Patients
102
Total drug cost
$21,340
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 29 | 21 | $350 |
| Gabapentin | Generic | 26 | 17 | $360 |
| Levothyroxine Sodium | Generic | 22 | 22 | $170 |
| Eliquis (Apixaban) | Brand | 20 | 15 | $12,297 |
| Losartan Potassium | Generic | 18 | 12 | $160 |
| Amlodipine Besylate | Generic | 16 | 15 | $61 |
| Latanoprost | Generic | 16 | 0 | $292 |
| Myrbetriq (Mirabegron) | Brand | 16 | 0 | $3,424 |
| Lisinopril | Generic | 14 | 0 | $119 |
| Furosemide | Generic | 13 | 0 | $43 |
Frequently asked questions
What is Dr. Karen Underhill's medical specialty?
Dr. Karen Underhill practices Nurse Practitioner in Ann Arbor, MI.
Where does Dr. Karen Underhill practice?
Dr. Karen Underhill practices at 1200 Earhart RD, Ann Arbor, MI 481052768. Office phone: 7347690177.
What is Dr. Karen Underhill's NPI?
Dr. Karen Underhill's National Provider Identifier (NPI) is 1679590285, issued by NPPES.
What procedures does Dr. Karen Underhill commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Nursing facility discharge management (HCPCS 99316). Source: CMS Medicare Physician & Other Practitioners file.