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KRISTIN L. KOO CNM
NPI 1588200042
Advanced Practice Midwife in Boston, MA

Active since November 20, 2019PECOS Enrolled
850 HARRISON AVE, FL 4, YAWKEY BLDG, BOSTON, MA 02118(617) 414-2000(617) 414-5798 Get Directions Write a Review

NPPES record last updated: April 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 11, 2024, May 17, 2022, Apr 27, 2021 and 3 more (6 updates tracked since 2019).

About Kristin L. Koo Cnm NPPES

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

KRISTIN L. KOO CNM (NPI 1588200042) is an individual advanced practice midwife in Boston, Massachusetts, licensed in Massachusetts (RN2362061) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1588200042
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameKRISTIN L. KOOCredential: CNM
Location Address850 HARRISON AVE, FL 4, YAWKEY BLDGBoston, MA 02118
Mailing Address960 Massachusetts Ave, Fl 2Boston, MA 02118-2690
Phone(617) 414-2000
Fax(617) 414-5798
Sole ProprietorNo
Enumeration DateNovember 20, 2019
Last NPPES UpdateApril 11, 20246 updates tracked since enumeration
NPPES CertifiedApril 11, 2024
✔ NPI 1588200042 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
Licenses✔ Licensed in MA · RN2362061✔ Licensed in NJ · 25ME00070100
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 ListedRegistered NurseTaxonomy 163W00000X · License 26NR20043600 (NJ)
850 HARRISON AVE, FL 4, Boston, MA 02118
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Other Names 1

Other Name (5)Kristin Lee Koo Cnm

Secondary Practice Location 1

Location 1725 Albany St, FL 5, Shapiro BldgBoston, MA 02118 · Phone (617) 414-2000 · Fax (617) 414-5798

Other Identifiers 1

Medicaid110185546AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kristin L. Koo Cnm 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Kristin Koo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Boston University Obstetrics And Gynecology Foundation, Inc.
0.1 mi
Obstetrics & Gynecology
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 158 clinicians in this Medicare group
NPI 1063459568 (617) 414-2000
Internal Medical Associates-Ebnhc
3.2 mi
Community Health
10 GOVE ST
East Boston, MA 02128
  • Reassigned Medicare billing, Massachusetts enrollment
  • 577 clinicians in this Medicare group
NPI 1558481879 (617) 569-5800
Neighborhealth Corporation
3.2 mi
Community Health
10 GOVE ST
East Boston, MA 02128
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: East Boston Neighborhood Health Center Corp
  • 456 clinicians in this Medicare group
NPI 1316994411 (617) 569-5800

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 02118 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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 2

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

MATILDE VITTORIA HOFFMAN M.D.
Obstetrics & Gynecology
850 HARRISON AVE, FL 4, YAWKEY BLDG
BOSTON, MA 02118
Suffolk County (617) 414-2000
MACDA GERARD MD
Obstetrics & Gynecology
850 HARRISON AVE, FL 4, YAWKEY BLDG
BOSTON, MA 02118
Suffolk County (617) 414-2000

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 Kristin Koo's NPI number?

The NPI number for Kristin Koo is 1588200042. It was assigned to this individual provider in the NPPES registry on November 20, 2019. The provider is also known as Kristin Lee Koo Cnm.

Where is Kristin Koo located?

Kristin Koo practices at 850 Harrison Ave, Fl 4 Yawkey Bldg, Boston, MA 02118. The listed phone number is (617) 414-2000.

What is Kristin Koo's specialty?

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

Is Kristin Koo enrolled in Medicare?

Yes. Kristin Koo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kristin Koo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Koo reassigns Medicare benefits to 3 organizations: Boston University Obstetrics And Gynecology Foundation, Inc. (Boston, MA), Internal Medical Associates-Ebnhc (East Boston, MA) and Neighborhealth Corporation (East Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristin Koo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristin Koo accept?

Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Kristin Koo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kristin Koo was last updated on April 11, 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.