Doctor profile · Federal record

Dr. Ryanne Walther, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Emergency Medicine Physician · Portland, OR

  • NPI 1699917732
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-8211
Mailing address
1600 Medical Pkwy
Carson City, NV 897034625

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
November 6, 2015
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Nevada #15788 · California #120025

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699917732. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
754
Distinct HCPCS
4
Medicare allowed
$87,580
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 323 311 $175
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 249 235 $8
99284 Emergency department visit with moderate level of medical decision making 102 100 $119
99291 Critical care, first 30-74 minutes 80 80 $211

In context: peer comparison

Among 92 peers in this city , average services per provider: 59. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Kiniksa Pharmaceuticals International, plc 1 $21.46

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
279
Patients
275
Total drug cost
$1,950
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 41 41 $238
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 34 34 $143
Prednisone Generic 29 29 $38
Cyclobenzaprine Hcl Generic 28 24 $69
Cephalexin Generic 26 26 $173
Methylprednisolone Generic 19 19 $199
Azithromycin Generic 18 18 $127
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 17 17 $135
Famotidine Generic 17 17 $67
Dicyclomine Hcl Generic 15 15 $41

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryanne Walther's medical specialty?
Dr. Ryanne Walther practices Emergency Medicine Physician in Portland, OR.
Where does Dr. Ryanne Walther practice?
Dr. Ryanne Walther practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034948211.
What is Dr. Ryanne Walther's NPI?
Dr. Ryanne Walther's National Provider Identifier (NPI) is 1699917732, issued by NPPES.
Does Dr. Ryanne Walther accept Medicare assignment?
Yes. Dr. Ryanne Walther accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryanne Walther commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.