MS. KATELYN RANDI LEE MARSDEN M.D.
NPI 1891282315
Psychiatry & Neurology - Neurology in Scottsdale, AZ

Q: What is Katelyn Marsden's NPI number?

The NPI number for Katelyn Marsden is 1891282315. It was assigned to this individual provider in the NPPES registry on April 19, 2018.

Q: What is Katelyn Marsden's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Katelyn Marsden was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 19, 2018PECOS EnrolledAccepts Medicare Assignment

13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: February 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 18, 2023, Jun 8, 2022, Jul 18, 2018 and 1 more (4 updates tracked since 2018).

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About Ms. Katelyn Randi Lee Marsden M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KATELYN RANDI LEE MARSDEN M.D. (NPI 1891282315) is an individual neurology provider in Scottsdale, Arizona, licensed in Arizona (65987) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891282315

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameMS. KATELYN RANDI LEE MARSDENCredential: M.D.

Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5499

Mailing Address13400 E Shea BlvdScottsdale, AZ 85259-5499 · (480) 301-8000

Phone(480) 301-8000

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateApril 19, 2018

Last NPPES UpdateFebruary 19, 20244 updates tracked since enumeration

NPPES CertifiedFebruary 19, 2024

✔ NPI 1891282315 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in AZ · 65987✔ Licensed in MT · MED-PHYS-LIC-116649

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

13400 E SHEA BLVD, Scottsdale, AZ 85259

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Secondary Practice Locations 2

Location 11959 NE Pacific StreetSeattle, WA 98195 · Phone (206) 543-3605

Location 2200 Commons Way Ste CKalispell, MT 59901-1915 · Phone (406) 752-5095 · Fax (406) 751-3079

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Katelyn Randi Lee Marsden M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113279951

PECOS Enrollment IDI20230802003927

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Katelyn Marsden reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Billings Cinic

765 mi

Family Medicine

236 YELLOWSTONE AVE
West Yellowstone, MT 59758

Reassigned Medicare billing, Montana enrollment
Medicare enrollment name: Billings Clinic
1,264 clinicians in this Medicare group

NPI 1710600119 (406) 238-2500

Kalispell Regional Medical Center Inc

980 mi

Family Medicine

106 RIDGEWATER DR STE A
Polson, MT 59860

Reassigned Medicare billing, Montana enrollment
483 clinicians in this Medicare group

NPI 1528386802 (406) 883-3200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

95 services44 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

58 services39 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

52 services32 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

45 services45 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

30 services28 patients

Telephone or internet assessment with verbal and written report by consulting physician, 11-20 minutes 99447

This is a virtual consultation with a specialist doctor, lasting between 11-20 minutes. It can be done over the phone or online. The physician will assess your health, discuss findings, and provide a written report summarizing the consultation and any recommendations.

28 services28 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Billings Clinic

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270004

Location2800 10th Ave NBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

Logan Health Medical Center

Acute Care Hospitals · Kalispell, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270051

Location310 Sunnyview LaneKalispell, MT 59901 · Flathead County

Emergency services Birthing friendly

Logan Health - Whitefish

Critical Access Hospitals · Whitefish, MT

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number271336

Location1600 Hospital WayWhitefish, MT 59937 · Flathead County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85259 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMITKUMAR MEHTA MD

Internal Medicine (Hematology & Oncology)