Doctor profile · Federal record

Dr. William Haberstroh, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Bryn Mawr, PA

  • NPI 1346773462
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
825 Old Lancaster RD Ste 340
Bryn Mawr, PA 190103235
(610) 527-9570
fax (610) 527-8805
Mailing address
825 Old Lancaster RD Ste 320
Bryn Mawr, PA 190103235

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 12, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Pennsylvania #OS022869

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346773462. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21
Distinct HCPCS
1
Medicare allowed
$3,632
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $173

In context: peer comparison

Among 3 peers in Bryn Mawr Gastroenterology Physician, average services per provider: 52. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,510
Transactions
149
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 44 $687.64
Takeda Pharmaceuticals U.S.A., INC. 22 $234.70
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 20 $231.54
Janssen Biotech, INC. 13 $214.29
Regeneron Healthcare Solutions, INC. 7 $149.29
Lilly USA, LLC 6 $103.56
Celgene Corporation 5 $100.07
Celltrion USA INC. 4 $95.77
Madrigal Pharmaceuticals 4 $89.08
Ardelyx, INC. 5 $88.44
Pfizer INC. 4 $82.40
Phathom Pharmaceuticals, INC. 5 $70.09
Daiichi Sankyo INC. 4 $68.86
Ironwood Pharmaceuticals, INC 4 $58.15
Sandoz INC. 2 $41.07

By nature of payment

Food and Beverage
$2,414
Education
$96

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
80
Patients
32
Total drug cost
$11,129
Drug Type Claims Patients Total cost
Omeprazole Generic 30 12 $328
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 20 20 $528
Linzess (Linaclotide) Brand 18 0 $9,851
Esomeprazole Magnesium Generic 12 0 $422

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Haberstroh's medical specialty?
Dr. William Haberstroh practices Gastroenterology Physician in Bryn Mawr, PA.
Where does Dr. William Haberstroh practice?
Dr. William Haberstroh practices at 825 Old Lancaster RD Ste 340, Bryn Mawr, PA 190103235. Office phone: 6105279570.
What is Dr. William Haberstroh's NPI?
Dr. William Haberstroh's National Provider Identifier (NPI) is 1346773462, issued by NPPES.
Does Dr. William Haberstroh accept Medicare assignment?
Yes. Dr. William Haberstroh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Haberstroh commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.