MRS. SONJA ELIZABETH MASSEY R.N., I.B.C.L.C.
NPI 1447311147
Registered Nurse - Lactation Consultant in Pacific Grove, CA

Q: What is Sonja Massey's NPI number?

The NPI number for Sonja Massey is 1447311147. It was assigned to this individual provider in the NPPES registry on December 13, 2006.

Q: What is Sonja Massey's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Lactation Consultant, with taxonomy code 163WL0100X.

Q: When was this NPI record last updated?

The NPPES record for Sonja Massey was last updated on December 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 December 13, 2006

529 CENTRAL AVE, SUITE 205, PACIFIC GROVE, CA 93950(831) 402-1666(831) 657-9702 Get Directions Write a Review

NPPES record last updated: December 9, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mrs. Sonja Elizabeth Massey R.n., I.b.c.l.c. NPPES

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

MRS. SONJA ELIZABETH MASSEY R.N., I.B.C.L.C. (NPI 1447311147) is an individual lactation consultant provider in Pacific Grove, California, licensed in California (198-14908) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1447311147

Entity TypeIndividualFemale

Primary Taxonomy163WL0100X

Provider Legal NameMRS. SONJA ELIZABETH MASSEYCredential: R.N., I.B.C.L.C.

Location Address529 CENTRAL AVE, SUITE 205Pacific Grove, CA 93950-2732

Mailing Address982 Ransford AvePacific Grove, CA 93950-5325 · (831) 402-1666 · Fax (831) 657-9702

Phone(831) 402-1666

Fax(831) 657-9702

Sole ProprietorYes

Enumeration DateDecember 13, 2006

Last NPPES UpdateDecember 9, 2010

✔ NPI 1447311147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRegistered Nurse · Lactation ConsultantNursing Service Providers

Taxonomy Code163WL0100X

License✔ Licensed in CA · 198-14908

Also ListedRegistered NurseTaxonomy 163W00000X · License 405202 (CA)

529 CENTRAL AVE, Pacific Grove, CA 93950

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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.

MARIANNE BINGHAM ROWE MFT

Marriage & Family Therapist

529 CENTRAL AVE, STE. 208
PACIFIC GROVE, CA 93950

Monterey County (831) 373-1017

MS. PATRICIA SKINNER WILLIAMS RN, IBCLC

Registered Nurse

529 CENTRAL AVE
PACIFIC GROVE, CA 93950

Monterey County (831) 917-6387

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 Sonja Massey's NPI number?

The NPI number for Sonja Massey is 1447311147. It was assigned to this individual provider in the NPPES registry on December 13, 2006.

Where is Sonja Massey located?

Sonja Massey practices at 529 Central Ave Suite 205, Pacific Grove, CA 93950. The listed phone number is (831) 402-1666.

What is Sonja Massey's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Lactation Consultant, with taxonomy code 163WL0100X.

When was this NPI record last updated?

The NPPES record for Sonja Massey was last updated on December 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.