Doctor profile · Federal record

Dr. Katelyn Marsden, M.D.

Neurology Physician (CMS: Neurology) · Neurology Physician · Scottsdale, AZ

  • NPI 1891282315
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
13400 E Shea Blvd
Scottsdale, AZ 852595499
(480) 301-8000
Additional location
1959 Ne Pacific Street
Seattle, WA 98195
(206) 543-3605
Additional location
200 Commons Way Ste C
Kalispell, MT 599011915
(406) 752-5095
fax (406) 751-3079

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
February 19, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (2)
Arizona #65987 · Montana #MED-PHYS-LIC-116649

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891282315. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
138
Distinct HCPCS
5
Medicare allowed
$15,790
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 56 34 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 24 $171
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 17 $117
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 17 12 $49
99291 Critical care, first 30-74 minutes 17 12 $210

In context: peer comparison

Among 25 peers in this city , average services per provider: 500. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$153
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 15 0 $153

Frequently asked questions

Auto-generated from federal data
What is Dr. Katelyn Marsden's medical specialty?
Dr. Katelyn Marsden practices Neurology Physician in Scottsdale, AZ.
Where does Dr. Katelyn Marsden practice?
Dr. Katelyn Marsden practices at 13400 E Shea Blvd, Scottsdale, AZ 852595499. Office phone: 4803018000.
What is Dr. Katelyn Marsden's NPI?
Dr. Katelyn Marsden's National Provider Identifier (NPI) is 1891282315, issued by NPPES.
Does Dr. Katelyn Marsden accept Medicare assignment?
Yes. Dr. Katelyn Marsden accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katelyn Marsden commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.