Doctor profile · Federal record

Dr. Philip Stack, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Sylva, NC

  • NPI 1770678591
  • Accepts Medicare
  • MIPS 93.0 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26 Westcare Drive, Suite 302
Sylva, NC 287795278
(828) 586-9200
fax (828) 586-7459

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
September 11, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
North Carolina #9400644
Medicaid
NC #8979118

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770678591. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
478
Distinct HCPCS
8
Medicare allowed
$70,981
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 147 147 $238
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 108 102 $75
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 94 89 $102
45378 Diagnostic exam of large bowel using a flexible endoscope 61 61 $170
45380 Biopsy of large bowel using a flexible endoscope 25 25 $166
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 21 20 $91
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 11 11 $153
45381 Injection beneath lining of large bowel using a flexible endoscope 11 11 $15

In context: peer comparison

Among 2 peers in Sylva Gastroenterology Physician, average services per provider: 74. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$461
Transactions
22
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 10 $204.51
Abbvie INC. 5 $85.89
Phathom Pharmaceuticals, INC. 2 $43.61
Genzyme Corporation 1 $39.14
Gilead Sciences, INC. 1 $26.09
Merck Sharp & Dohme LLC 1 $24.39
Celgene Corporation 1 $18.95
Olympus America INC. 1 $18.85

By nature of payment

Food and Beverage
$461

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,146
Patients
270
Total drug cost
$96,925
Drug Type Claims Patients Total cost
Esomeprazole Magnesium Generic 519 126 $19,074
Pantoprazole Sodium Generic 251 76 $2,327
Famotidine Generic 167 36 $1,574
Dexlansoprazole Dr (Dexlansoprazole) Brand 45 0 $12,376
Sucralfate Generic 45 0 $540
Omeprazole Generic 43 16 $395
Colestipol Hcl Generic 23 0 $1,487
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 16 16 $1,284
Creon (Lipase/Protease/Amylase) Brand 15 0 $55,058
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 11 0 $217

Frequently asked questions

Auto-generated from federal data
What is Dr. Philip Stack's medical specialty?
Dr. Philip Stack practices Gastroenterology Physician in Sylva, NC.
Where does Dr. Philip Stack practice?
Dr. Philip Stack practices at 26 Westcare Drive, Sylva, NC 287795278. Office phone: 8285869200.
What is Dr. Philip Stack's NPI?
Dr. Philip Stack's National Provider Identifier (NPI) is 1770678591, issued by NPPES.
Does Dr. Philip Stack accept Medicare assignment?
Yes. Dr. Philip Stack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Philip Stack commonly perform?
Top Medicare-reported procedures in 2023: 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); Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm (HCPCS 43249). Source: CMS Medicare Physician & Other Practitioners file.