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MS. SUSANNAH LYNN KERWIN ANP-BC
NPI 1609183342
Nurse Practitioner - Adult Health in Denver, CO

Active since September 01, 2010PECOS Enrolled
50 S STEELE ST STE 950, DENVER, CO 80209(347) 450-5892(347) 321-7589 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: May 7, 2026, Aug 19, 2022, Dec 31, 2020 (3 updates tracked since 2020).

About Ms. Susannah Lynn Kerwin Anp-bc NPPES

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

MS. SUSANNAH LYNN KERWIN ANP-BC (NPI 1609183342) is an individual adult health provider in Denver, Colorado, licensed in New York (F305433-1) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1609183342
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMS. SUSANNAH LYNN KERWINCredential: ANP-BC
Location Address50 S STEELE ST STE 950Denver, CO 80209-2843
Mailing Address50 S Steele St Ste 950Denver, CO 80209-2843 · (347) 450-5892 · Fax (347) 321-7589
Phone(347) 450-5892
Fax(347) 321-7589
Sole ProprietorYes
Enumeration DateSeptember 1, 2010
Last NPPES UpdateMay 7, 20263 updates tracked since enumeration
NPPES CertifiedMay 7, 2026
✔ NPI 1609183342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NY · F305433-1
50 S STEELE ST STE 950, Denver, CO 80209
Open in Google Maps ↗

Other Names 1

Former Name (1)Susannah Williams

Secondary Practice Locations 2

Location 1347 5th Ave Ste 1402-342New York, NY 10016-5010 · Phone (646) 849-2782 · Fax (646) 349-0133
Location 212 Main St Unit 857Essex, CT 06426-7040 · Phone (646) 849-2782 · Fax (646) 349-0133

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Susannah Lynn Kerwin Anp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80209 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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.

HELENE SIMONS, PSYD
Psychologist (Clinical)
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (720) 772-6915
WHITNEY KEARNEY COUNSELING PLLC
Counselor (Professional)
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (720) 432-2179
TANIA ALEXIS FENDEL MA, LAC
Counselor (Addiction (Substance Use Disorder))
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (303) 524-0262
DR. EMILY DEROUIN LP
Psychologist (Counseling)
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (906) 553-5266
VARIANT COUNSELING LLC
Counselor (Mental Health)
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (720) 446-9769
FELIX LEFEVRE MA, LPC, NCC
Counselor (Professional)
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (720) 446-9769
DANIEL BELONICK LCSW, MDIV
Social Worker (Clinical)
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (970) 703-5746
ABIGAIL REESE LCSW
Social Worker (Clinical)
50 S STEELE ST STE 950
DENVER, CO 80209
Denver County (720) 772-6915

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Susannah Kerwin's NPI number?

The NPI number for Susannah Kerwin is 1609183342. It was assigned to this individual provider in the NPPES registry on September 1, 2010. The provider is also known as Susannah Williams.

Where is Susannah Kerwin located?

Susannah Kerwin practices at 50 S Steele St Ste 950, Denver, CO 80209. The listed phone number is (347) 450-5892.

What is Susannah Kerwin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Susannah Kerwin enrolled in Medicare?

Yes. Susannah Kerwin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Susannah Kerwin was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.