Doctor profile · Federal record
Dr. Sarah Kohnstamm, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Cardiovascular Disease Physician · Ann Arbor, MI
- NPI 1679691521
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
24 Frank Lloyd Wright Dr
Ann Arbor, MI 481059484
(734) 998-7400 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- February 14, 2020
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State licenses (2)
- Michigan #4301083663 · Pennsylvania #MD442328
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679691521. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,792
Distinct HCPCS
10
Medicare allowed
$106,982
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 320 | 319 | $67 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 310 | 304 | $67 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 142 | 38 | $81 | |
76377 |
3d radiographic procedure with computerized image postprocessing | 124 | 123 | $38 | |
93356 |
Heart muscle strain imaging | 103 | 103 | $12 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 97 | 87 | $143 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 74 | 74 | $3 | |
93356 |
Heart muscle strain imaging | 74 | 74 | $12 | |
76377 |
3d radiographic procedure with computerized image postprocessing | 65 | 65 | $38 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 59 | 33 | $121 |
In context: peer comparison
Among 32 peers in Ann Arbor Cardiovascular Disease Physician, average services per provider: 92. This provider delivers 19× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
896
Patients
292
Total drug cost
$224,357
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 125 | 43 | $2,407 |
| Metoprolol Succinate | Generic | 99 | 40 | $2,059 |
| Eliquis (Apixaban) | Brand | 83 | 24 | $96,935 |
| Rosuvastatin Calcium | Generic | 83 | 32 | $1,719 |
| Lisinopril | Generic | 76 | 27 | $837 |
| Ezetimibe | Generic | 67 | 19 | $1,644 |
| Furosemide | Generic | 65 | 24 | $433 |
| Losartan Potassium | Generic | 53 | 18 | $1,200 |
| Jardiance (Empagliflozin) | Brand | 39 | 11 | $49,599 |
| Metoprolol Tartrate | Generic | 39 | 15 | $328 |
Hospital affiliations
Frequently asked questions
What is Dr. Sarah Kohnstamm's medical specialty?
Dr. Sarah Kohnstamm practices Cardiovascular Disease Physician in Ann Arbor, MI.
Where does Dr. Sarah Kohnstamm practice?
Dr. Sarah Kohnstamm practices at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 481059484. Office phone: 7349987400.
What is Dr. Sarah Kohnstamm's NPI?
Dr. Sarah Kohnstamm's National Provider Identifier (NPI) is 1679691521, issued by NPPES.
Does Dr. Sarah Kohnstamm accept Medicare assignment?
Yes. Dr. Sarah Kohnstamm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Kohnstamm commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.