Doctor profile · Federal record
Dr. Juanita Merchant, MD, PHD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Ann Arbor, MI
- NPI 1164505095
- Accepts Medicare
- MIPS 92.0 / 100 · 2023
- 42 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 East Medical Center Dr, 2Nd Floor University Hospital Recp 2B355
Ann Arbor, MI 481095051
(734) 936-9250 - Mailing address
-
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 22, 2012
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #4301058085
- Medicaid
- MI #2753816
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164505095. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
50
Distinct HCPCS
3
Medicare allowed
$4,222
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 20 | $54 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 13 | $95 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 11 | 11 | $129 |
In context: peer comparison
Among 24 peers in this city , average services per provider: 25. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$82
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $81.96 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
77
Patients
12
Total drug cost
$221,905
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 25 | 0 | $469 |
| Humira(Cf) Pen (Adalimumab) | Brand | 15 | 0 | $182,590 |
| Creon (Lipase/Protease/Amylase) | Brand | 14 | 0 | $28,721 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 12 | 12 | $203 |
| Mesalamine Dr (Mesalamine) | Brand | 11 | 0 | $9,922 |
Hospital affiliations
Frequently asked questions
What is Dr. Juanita Merchant's medical specialty?
Dr. Juanita Merchant practices Gastroenterology Physician in Ann Arbor, MI.
Where does Dr. Juanita Merchant practice?
Dr. Juanita Merchant practices at 1500 East Medical Center Dr, Ann Arbor, MI 481095051. Office phone: 7349369250.
What is Dr. Juanita Merchant's NPI?
Dr. Juanita Merchant's National Provider Identifier (NPI) is 1164505095, issued by NPPES.
Does Dr. Juanita Merchant accept Medicare assignment?
Yes. Dr. Juanita Merchant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Juanita Merchant commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.