Doctor profile · Federal record
Dr. April Marquardt, MD
Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Internal Medicine Physician · Ypsilanti, MI
- NPI 1235352311
- Accepts Medicare
- 23 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4990 W Clark RD, Suite 300
Ypsilanti, MI 481971149
(734) 593-5990
fax (734) 593-5995 - Mailing address
-
24 Frank Lloyd Wright Dr Lbby J2000
Ann Arbor, MI 481059484
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- September 22, 2016
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State licenses (2)
- Michigan #4301104281 · Ohio #35086828
- Medicaid
- OH #2844088
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235352311. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
507
Distinct HCPCS
4
Medicare allowed
$62,101
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 406 | 192 | $122 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $160 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 40 | 18 | $99 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 14 | $91 |
In context: peer comparison
Among 3 peers in Ypsilanti Rheumatology Physician, average services per provider: 78. This provider delivers 6.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,400
Patients
727
Total drug cost
$2,065,526
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 572 | 174 | $33,954 |
| Hydroxychloroquine Sulfate | Generic | 498 | 153 | $45,370 |
| Prednisone | Generic | 367 | 133 | $5,338 |
| Duloxetine Hcl | Generic | 153 | 44 | $5,943 |
| Humira(Cf) Pen (Adalimumab) | Brand | 135 | 22 | $1,315,339 |
| Tramadol Hcl | Generic | 113 | 25 | $1,173 |
| Leflunomide | Generic | 98 | 35 | $9,142 |
| Enbrel Sureclick (Etanercept) | Brand | 73 | 11 | $628,722 |
| Leucovorin Calcium | Generic | 72 | 25 | $800 |
| Mycophenolate Mofetil | Generic | 64 | 23 | $14,518 |
Hospital affiliations
Frequently asked questions
What is Dr. April Marquardt's medical specialty?
Dr. April Marquardt practices Rheumatology Physician in Ypsilanti, MI.
Where does Dr. April Marquardt practice?
Dr. April Marquardt practices at 4990 W Clark RD, Ypsilanti, MI 481971149. Office phone: 7345935990.
What is Dr. April Marquardt's NPI?
Dr. April Marquardt's National Provider Identifier (NPI) is 1235352311, issued by NPPES.
Does Dr. April Marquardt accept Medicare assignment?
Yes. Dr. April Marquardt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. April Marquardt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.