Doctor profile · Federal record
Dr. Tiffany Zellman, MD
Internal Medicine Physician (CMS: Internal Medicine) · Royal Oak, MI
- NPI 1992905558
- Accepts Medicare
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3601 W 13 Mile RD
Royal Oak, MI 480736712
(248) 551-0424
fax (248) 551-5426
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #4301090811
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992905558. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,688
Distinct HCPCS
5
Medicare allowed
$177,775
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,007 | 182 | $80 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 275 | 214 | $176 | |
99239 |
Hospital discharge day management, more than 30 minutes | 199 | 155 | $117 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 187 | 96 | $120 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 20 | 16 | $133 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 117. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
86
Patients
84
Total drug cost
$8,471
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 18 | 18 | $146 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 16 | 16 | $193 |
| Prednisone | Generic | 16 | 15 | $134 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 12 | 12 | $124 |
| Eliquis (Apixaban) | Brand | 12 | 11 | $7,821 |
| Furosemide | Generic | 12 | 12 | $53 |
Frequently asked questions
What is Dr. Tiffany Zellman's medical specialty?
Dr. Tiffany Zellman practices Internal Medicine Physician in Royal Oak, MI.
Where does Dr. Tiffany Zellman practice?
Dr. Tiffany Zellman practices at 3601 W 13 Mile RD, Royal Oak, MI 480736712. Office phone: 2485510424.
What is Dr. Tiffany Zellman's NPI?
Dr. Tiffany Zellman's National Provider Identifier (NPI) is 1992905558, issued by NPPES.
Does Dr. Tiffany Zellman accept Medicare assignment?
Yes. Dr. Tiffany Zellman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tiffany Zellman 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); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.