Doctor profile · Federal record
Dr. Twylla Tassava, MD
Internal Medicine Physician (CMS: Hospitalist) · Ypsilanti, MI
- NPI 1336157700
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5333 McAuley Dr
Ypsilanti, MI 481971014
(734) 712-3980 - Mailing address
-
3534 Eastbrook St
Ann Arbor, MI 481059507
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #TT068639
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336157700. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
293
Distinct HCPCS
6
Medicare allowed
$33,104
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 97 | 60 | $79 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 86 | 44 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 39 | $173 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 36 | 36 | $133 | |
99238 |
Hospital discharge day management, 30 minutes or less | 22 | 21 | $82 | |
99239 |
Hospital discharge day management, more than 30 minutes | 11 | 11 | $117 |
In context: peer comparison
Among 63 peers in Ypsilanti Internal Medicine Physician, average services per provider: 107. This provider delivers 2.7× the peer median.Frequently asked questions
What is Dr. Twylla Tassava's medical specialty?
Dr. Twylla Tassava practices Internal Medicine Physician in Ypsilanti, MI.
Where does Dr. Twylla Tassava practice?
Dr. Twylla Tassava practices at 5333 McAuley Dr, Ypsilanti, MI 481971014. Office phone: 7347123980.
What is Dr. Twylla Tassava's NPI?
Dr. Twylla Tassava's National Provider Identifier (NPI) is 1336157700, issued by NPPES.
Does Dr. Twylla Tassava accept Medicare assignment?
Yes. Dr. Twylla Tassava accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Twylla Tassava commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.