Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kristin L. Koo, CNM

Q: What is the NPI number for Kristin Koo?

The National Provider Identifier (NPI) for Kristin Koo is 1588200042, a Type 1 (individual) record in the CMS NPPES registry.

Advanced Practice Midwife in Boston, MA · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1588200042

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Registry record

Entity type Individual (Type 1)

Name Kristin L. Koo

Credential CNM

Sex Female

Practice address 850 Harrison Ave, Fl 4, Yawkey Bldg, Boston, MA, 02118

Phone (617) 414-2000

Fax (617) 414-5798

Enumeration date Nov 20, 2019

Last updated in NPPES Apr 11, 2024

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 26NR20043600 (NJ) Secondary

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License 25ME00070100 (NJ) Secondary

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License RN2362061 (MA) Primary

CNM · Certified Nurse Midwife: An advanced practice nurse specializing in pregnancy, childbirth, and reproductive care. About the CNM credential

Other identifiers

Identifier	Type	State	Issuer
110185546A	Medicaid	MA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Kristin Koo?

The National Provider Identifier (NPI) for Kristin Koo is 1588200042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kristin Koo practice?

The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Maria Hill Pediatrics Physician · Boston, MA NPI 1235191461 Rachel Helm Pediatrics Physician · Boston, MA NPI 1689023533 Matilde Hoffman Obstetrics & Gynecology Physician · Boston, MA NPI 1114424876 Josie Valcin Obstetrics & Gynecology Physician · Boston, MA NPI 1447836184 Macda Gerard Obstetrics & Gynecology Physician · Boston, MA NPI 1598415606 Jessica Glasgow Advanced Practice Midwife · Boston, MA NPI 1144926411

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-11.