KATHRYN GUERNSEY CNM
NPI 1831686963
Advanced Practice Midwife in Rhinebeck, NY

Q: What is Kathryn Guernsey's NPI number?

The NPI number for Kathryn Guernsey is 1831686963. It was assigned to this individual provider in the NPPES registry on April 14, 2018.

Q: What is Kathryn Guernsey's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Q: When was this NPI record last updated?

The NPPES record for Kathryn Guernsey was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since April 14, 2018PECOS EnrolledAccepts Medicare Assignment

6734 ROUTE 9, RHINEBECK, NY 12572(845) 231-5600 Get Directions Write a Review

NPPES record last updated: July 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 2, 2024, Apr 14, 2018 (2 updates tracked since 2018).

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About Kathryn Guernsey Cnm NPPES

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

KATHRYN GUERNSEY CNM (NPI 1831686963) is an individual advanced practice midwife in Rhinebeck, New York, licensed in New York (001859) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1831686963

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameKATHRYN GUERNSEYCredential: CNM

Location Address6734 ROUTE 9Rhinebeck, NY 12572-3724

Mailing Address15 Yankee Folly RdNew Paltz, NY 12561-3627 · (772) 321-6154

Phone(845) 231-5600

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateApril 14, 2018

Last NPPES UpdateJuly 16, 20252 updates tracked since enumeration

NPPES CertifiedJuly 16, 2025

✔ NPI 1831686963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

License✔ Licensed in NY · 001859

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

Also ListedMidwifeTaxonomy 176B00000X · License 001859 (NY)

6734 ROUTE 9, Rhinebeck, NY 12572

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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

Kathryn Guernsey Cnm 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 ID5294099677

PECOS Enrollment IDI20180511000427

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 Kathryn Guernsey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Quest Medical Practice, PC

4.9 mi

Diagnostic Radiology

1240 ULSTER AVENUE
Kingston, NY 12401

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Nuvance Health Medical Practice PC
638 clinicians in this Medicare group

NPI 1558906610 (845) 443-8720

Optum Medical Care, P.C.

51 mi

Cardiovascular Disease

90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Optum Medical Care PC
1,601 clinicians in this Medicare group

NPI 1982643003 (914) 241-1050

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12572 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

$95.99 typical visit price

range $61.88 – $187.05

Typical copayment $23.99 (range $15.47 – $46.76)

Most-billed visit code 99203

Established Patient

$76.88 typical visit price

range $19.92 – $151.94

Typical copayment $19.22 (range $4.98 – $37.98)

Most-billed visit code 99213

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 17

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

OPTUM MEDICAL CARE, P.C.

Durable Medical Equipment & Medical Supplies