Doctor profile · Federal record
Dr. Denise Zao, MD
Internal Medicine Physician (CMS: Internal Medicine) · Northville, MI
- NPI 1104906072
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
39901 Traditions Drive, Suite 210
Northville, MI 48168
(248) 888-9000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 17, 2019
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #4301078025
- Medicaid
- MI #4629574
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104906072. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
7
Medicare allowed
$32,025
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 108 | 96 | $99 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 97 | 97 | $130 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 66 | 66 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 34 | 32 | $67 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 17 | $145 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 19 | 16 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 12 | $88 |
In context: peer comparison
Among 4 peers in Northville Internal Medicine Physician, average services per provider: 45. This provider delivers 7.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,409
Patients
397
Total drug cost
$25,814
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 180 | 54 | $3,608 |
| Losartan Potassium | Generic | 133 | 35 | $2,635 |
| Levothyroxine Sodium | Generic | 127 | 35 | $2,340 |
| Lisinopril | Generic | 124 | 35 | $1,691 |
| Amlodipine Besylate | Generic | 113 | 38 | $1,355 |
| Metoprolol Succinate | Generic | 97 | 31 | $2,137 |
| Omeprazole | Generic | 97 | 31 | $2,185 |
| Simvastatin | Generic | 97 | 27 | $1,503 |
| Metformin Hcl | Generic | 81 | 21 | $992 |
| Rosuvastatin Calcium | Generic | 78 | 23 | $2,448 |
Hospital affiliations
Frequently asked questions
What is Dr. Denise Zao's medical specialty?
Dr. Denise Zao practices Internal Medicine Physician in Northville, MI.
Where does Dr. Denise Zao practice?
Dr. Denise Zao practices at 39901 Traditions Drive, Northville, MI 48168. Office phone: 2488889000.
What is Dr. Denise Zao's NPI?
Dr. Denise Zao's National Provider Identifier (NPI) is 1104906072, issued by NPPES.
Does Dr. Denise Zao accept Medicare assignment?
Yes. Dr. Denise Zao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Denise Zao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.