Doctor profile · Federal record

Dr. Melissa Chang, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Student in an Organized Health Care Education/Training Program · Ypsilanti, MI

  • NPI 1679708812
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5325 Elliott Dr Ste 104
Ypsilanti, MI 481978633
(734) 712-8150
fax (734) 712-8151
Additional location
5 E 98Th St, Box 1259
New York, NY 100296501
(212) 241-5871
Mailing address
24 Frank Lloyd Wright Dr., Lobby J2000
Ann Arbor, MI 48106

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Michigan #4301113052

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679708812. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
179
Distinct HCPCS
9
Medicare allowed
$30,905
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 47 30 $81
46600 Diagnostic exam of anus using an endoscope 25 24 $122
99215 Established patient office or other outpatient visit, 40-54 minutes 22 18 $174
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 20 $177
99214 Established patient office or other outpatient visit, 30-39 minutes 15 15 $129
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $224
91120 Test for tone and sensation of rectum and anus 12 12 $508
91122 Study of rectum sensitivity and function 12 12 $275
45380 Biopsy of large bowel using a flexible endoscope 11 11 $188

In context: peer comparison

Among 4 peers in Ypsilanti Colon & Rectal Surgery Physician, average services per provider: 22. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,595
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 8 $7,298.13
Ethicon INC. 1 $244.92
Conmed Corporation 1 $51.48

By nature of payment

Education
$6,500
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$500
Travel and Lodging
$298
Food and Beverage
$296

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
131
Patients
125
Total drug cost
$3,916
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 46 45 $3,606
Metronidazole Generic 36 34 $42
Neomycin Sulfate Generic 30 28 $185
Ondansetron Odt (Ondansetron) Brand 19 18 $84

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Chang's medical specialty?
Dr. Melissa Chang practices Colon & Rectal Surgery Physician in Ypsilanti, MI.
Where does Dr. Melissa Chang practice?
Dr. Melissa Chang practices at 5325 Elliott Dr Ste 104, Ypsilanti, MI 481978633. Office phone: 7347128150.
What is Dr. Melissa Chang's NPI?
Dr. Melissa Chang's National Provider Identifier (NPI) is 1679708812, issued by NPPES.
Does Dr. Melissa Chang accept Medicare assignment?
Yes. Dr. Melissa Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Diagnostic exam of anus using an endoscope (HCPCS 46600); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.