Doctor profile · Federal record

Dr. Ann Marie Schreiber, D.O.

Gastroenterology Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Federal Way, WA

  • NPI 1376863050
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
34503 9Th Ave S Ste 130
Federal Way, WA 98003
(253) 835-5340
Additional location
1 Genesys Pkwy
Grand Blanc, MI 484398065
(810) 606-5000

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
July 12, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Washington #OP60680589

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376863050. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25
Distinct HCPCS
2
Medicare allowed
$2,558
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $113
99213 Established patient office or other outpatient visit, 20-29 minutes 12 11 $91

In context: peer comparison

Among 4 peers in Federal Way Gastroenterology Physician, average services per provider: 29. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $33.36

By nature of payment

Food and Beverage
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
12
Total drug cost
$426
Drug Type Claims Patients Total cost
Omeprazole Generic 20 12 $207
Pantoprazole Sodium Generic 16 0 $219

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Marie Schreiber's medical specialty?
Dr. Ann Marie Schreiber practices Gastroenterology Physician in Federal Way, WA.
Where does Dr. Ann Marie Schreiber practice?
Dr. Ann Marie Schreiber practices at 34503 9Th Ave S Ste 130, Federal Way, WA 98003. Office phone: 2538355340.
What is Dr. Ann Marie Schreiber's NPI?
Dr. Ann Marie Schreiber's National Provider Identifier (NPI) is 1376863050, issued by NPPES.
Does Dr. Ann Marie Schreiber accept Medicare assignment?
Yes. Dr. Ann Marie Schreiber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Marie Schreiber commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.