Doctor profile · Federal record

Dr. Karen Huang, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Midland, MI

  • NPI 1952509911
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4230 Bay City RD
Midland, MI 486426014
(989) 839-0750
fax (989) 839-9037

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
July 3, 2013
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Michigan #5101015226

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952509911. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
467
Distinct HCPCS
9
Medicare allowed
$55,164
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 103 66 $76
99213 Established patient office or other outpatient visit, 20-29 minutes 88 73 $85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 69 65 $126
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 66 62 $112
99214 Established patient office or other outpatient visit, 30-39 minutes 51 39 $111
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 49 49 $239
45380 Biopsy of large bowel using a flexible endoscope 16 16 $172
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $168
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 11 11 $112

In context: peer comparison

Among 2 peers in this city , average services per provider: 48. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$481
Transactions
18
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
QOL Medical, LLC 2 $114.11
Madrigal Pharmaceuticals 1 $96.32
ABBVIE INC. 5 $95.32
PFIZER INC. 5 $77.91
Gilead Sciences, Inc. 2 $46.65
Takeda Pharmaceuticals U.S.A., Inc. 2 $29.69
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $21.32

By nature of payment

Food and Beverage
$452
Education
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
926
Patients
299
Total drug cost
$104,947
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 288 91 $5,684
Omeprazole Generic 184 57 $4,292
Famotidine Generic 77 29 $1,200
Colestipol Hcl Generic 73 24 $5,081
Sucralfate Generic 69 29 $6,128
Azathioprine Generic 32 0 $1,607
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 31 31 $2,521
Linzess (Linaclotide) Brand 30 11 $37,123
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 27 27 $4,416
Mesalamine Generic 26 0 $27,212

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Huang's medical specialty?
Dr. Karen Huang practices Gastroenterology Physician in Midland, MI.
Where does Dr. Karen Huang practice?
Dr. Karen Huang practices at 4230 Bay City RD, Midland, MI 486426014. Office phone: 9898390750.
What is Dr. Karen Huang's NPI?
Dr. Karen Huang's National Provider Identifier (NPI) is 1952509911, issued by NPPES.
Does Dr. Karen Huang accept Medicare assignment?
Yes. Dr. Karen Huang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Huang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.