Doctor profile · Federal record

Dr. Paul Zachary, MD

Gastroenterology Physician (CMS: Gastroenterology) · Manhattan, KS

  • NPI 1578532214
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1325 Research Park Dr
Manhattan, KS 665025000
(785) 537-2651
fax (785) 539-0177

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 2, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Kansas #04-23652
Medicaid
KS #100310000B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578532214. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
936
Distinct HCPCS
10
Medicare allowed
$115,281
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 139 138 $117
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 139 139 $236
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 129 126 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 79 72 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 79 76 $170
36415 Insertion of needle into vein for collection of blood sample 74 55 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 38 36 $85
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 34 34 $168
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $154
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 29 $124

In context: peer comparison

Among 2 peers in Manhattan Gastroenterology Physician, average services per provider: 65. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
636
Patients
115
Total drug cost
$71,167
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 179 43 $1,706
Omeprazole Generic 100 24 $1,893
Famotidine Generic 71 23 $786
Mesalamine Generic 44 0 $13,120
Dicyclomine Hcl Generic 41 12 $936
Metoclopramide Hcl Generic 34 0 $485
Metronidazole Generic 26 13 $239
Mesalamine ER (Mesalamine) Brand 24 0 $8,715
Cholestyramine (Cholestyramine (With Sugar)) Brand 19 0 $1,210
Budesonide Dr (Budesonide) Brand 17 0 $1,837

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Zachary's medical specialty?
Dr. Paul Zachary practices Gastroenterology Physician in Manhattan, KS.
Where does Dr. Paul Zachary practice?
Dr. Paul Zachary practices at 1325 Research Park Dr, Manhattan, KS 665025000. Office phone: 7855372651.
What is Dr. Paul Zachary's NPI?
Dr. Paul Zachary's National Provider Identifier (NPI) is 1578532214, issued by NPPES.
Does Dr. Paul Zachary accept Medicare assignment?
Yes. Dr. Paul Zachary accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Zachary commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.