Doctor profile · Federal record
Dr. Cassandra Rykulski, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Ann Arbor, MI
- NPI 1164080958
- Accepts Medicare
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000 - Additional location
-
3601 W 13 Mile RD
Royal Oak, MI 480736712
(248) 551-3000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- June 2019 — 7 yrs on file
- Profile last updated
- March 4, 2024
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Michigan #4301506365 · Michigan #4351045049
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164080958. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
209
Distinct HCPCS
5
Medicare allowed
$25,850
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 64 | 33 | $81 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 55 | 55 | $174 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 40 | 21 | $121 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 | $133 | |
99239 |
Hospital discharge day management, more than 30 minutes | 22 | 22 | $117 |
In context: peer comparison
Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 2.7× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Cassandra Rykulski's medical specialty?
Dr. Cassandra Rykulski practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Cassandra Rykulski practice?
Dr. Cassandra Rykulski practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Cassandra Rykulski's NPI?
Dr. Cassandra Rykulski's National Provider Identifier (NPI) is 1164080958, issued by NPPES.
Does Dr. Cassandra Rykulski accept Medicare assignment?
Yes. Dr. Cassandra Rykulski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Rykulski 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.