Doctor profile · Federal record

Dr. Mark Gulinson, MD

Gastroenterology Physician (CMS: Gastroenterology) · Specialist · Phoenix, AZ

  • NPI 1881698264
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9250 N 3Rd St Ste 4035
Phoenix, AZ 850202434
(623) 279-3575
fax (602) 279-2666
Additional location
3815 E Bell RD Ste 1250
Phoenix, AZ 850322175
(602) 493-3030
Mailing address
3020 E Camelback RD, Suite 301
Phoenix, AZ 850165095

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
November 3, 2020
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Arizona #24155
Medicaid
AZ #34530701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881698264. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,420
Distinct HCPCS
10
Medicare allowed
$166,631
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 227 187 $86
99204 New patient office or other outpatient visit, 45-59 minutes 152 152 $160
99203 New patient office or other outpatient visit, 30-44 minutes 137 137 $108
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 137 14 $46
45380 Biopsy of large bowel using a flexible endoscope 126 126 $159
99214 Established patient office or other outpatient visit, 30-39 minutes 126 114 $122
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 110 110 $84
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 90 14 $60
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 81 81 $175
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 76 76 $243

In context: peer comparison

Among 19 peers in this city , average services per provider: 61. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,102
Transactions
88
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 26 $440.69
Gilead Sciences, Inc. 10 $242.28
Takeda Pharmaceuticals U.S.A., Inc. 8 $194.84
Madrigal Pharmaceuticals 4 $184.54
GENZYME CORPORATION 5 $161.99
PFIZER INC. 6 $157.41
Janssen Biotech, Inc. 6 $134.50
Celltrion USA Inc. 4 $77.60
Phathom Pharmaceuticals, Inc. 4 $77.60
Ipsen Biopharmaceuticals, Inc 3 $73.99
Salix Pharmaceuticals, a division of Bausch Health US, LLC 4 $69.03
Celgene Corporation 3 $61.82
Lilly USA, LLC 2 $57.30
EVOKE PHARMA, INC. 2 $38.19
Abbott Laboratories 1 $27.07

By nature of payment

Food and Beverage
$2,069
Education
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,703
Patients
516
Total drug cost
$448,145
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 1,004 326 $16,285
Dicyclomine Hcl Generic 102 35 $2,729
Creon (Lipase/Protease/Amylase) Brand 97 23 $230,278
Esomeprazole Magnesium Generic 68 14 $3,806
Sulfasalazine Generic 56 15 $3,405
Omeprazole Generic 50 16 $654
Mesalamine Generic 46 0 $31,001
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 43 17 $1,543
Mesalamine Er (Mesalamine) Brand 43 13 $33,800
Lactulose Generic 36 19 $1,428

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Gulinson's medical specialty?
Dr. Mark Gulinson practices Gastroenterology Physician in Phoenix, AZ.
Where does Dr. Mark Gulinson practice?
Dr. Mark Gulinson practices at 9250 N 3Rd St Ste 4035, Phoenix, AZ 850202434. Office phone: 6232793575.
What is Dr. Mark Gulinson's NPI?
Dr. Mark Gulinson's National Provider Identifier (NPI) is 1881698264, issued by NPPES.
Does Dr. Mark Gulinson accept Medicare assignment?
Yes. Dr. Mark Gulinson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Gulinson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.