Doctor profile · Federal record

Dr. Manfred Ritter, M.D.

Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Seaside, OR

  • NPI 1861593840
  • Accepts Medicare
  • MIPS 78.0 / 100 · 2023
  • 36 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 S Wahanna RD
Seaside, OR 971387735
(503) 717-7000
Mailing address
Po Box 3397
Portland, OR 972083397

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
September 28, 2020
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Oregon #MD166488 · California #A72523
Medicaid
OR #500663829

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861593840. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
2
Medicare allowed
$2,054
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 21 13 $48
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 13 13 $80

In context: peer comparison

Among 1 peers in Seaside Surgery Physician, average services per provider: 17. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Davol INC. 3 $47.39

By nature of payment

Food and Beverage
$47

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
50
Total drug cost
$3,933
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 25 25 $1,792
Omeprazole Generic 23 14 $269
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 11 11 $1,872

Frequently asked questions

Auto-generated from federal data
What is Dr. Manfred Ritter's medical specialty?
Dr. Manfred Ritter practices Surgery Physician in Seaside, OR.
Where does Dr. Manfred Ritter practice?
Dr. Manfred Ritter practices at 725 S Wahanna RD, Seaside, OR 971387735. Office phone: 5037177000.
What is Dr. Manfred Ritter's NPI?
Dr. Manfred Ritter's National Provider Identifier (NPI) is 1861593840, issued by NPPES.
Does Dr. Manfred Ritter accept Medicare assignment?
Yes. Dr. Manfred Ritter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Manfred Ritter commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.