NPI Portal NPI Lookup & Verification

Charles Singer, RN, L.AC., DNBOA

Charles Singer is a Acupuncturist provider (Acupuncturist) practicing in Aptos, CA, registered in the NPPES registry with NPI 1619178126 since 2007. The credential RN stands for Registered Nurse.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1619178126
Entity type Individual (Type 1)
Name Charles Singer
Credential RN, L.AC., DNBOA
Sex Male
Practice address Aptos, CA, 95003
Phone 8316851800
Fax 8316850108
Enumeration date 2007-05-30
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
171100000X Acupuncturist Primary AC 3676 CA

RN — Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

Copy-ready billing details
Provider: Charles Singer, RN, L.AC., DNBOA
NPI: 1619178126
Taxonomy: 171100000X (Acupuncturist)
Address: Aptos, CA, 95003

Other providers at this practice address

NPI Name Type Specialty Location
1194756346 Gary Dolowich Individual Family Medicine Physician Aptos, CA
1619079068 Sena Dolowich Individual Social Worker Aptos, CA
1437459344 Jessica Belknap Individual Acupuncturist Aptos, CA
1780022087 Yunjoo Kim Individual Acupuncturist Aptos, CA

Verify this record

Cross-check NPI 1619178126 against the authoritative CMS record: view Charles Singer on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Charles Singer?
The National Provider Identifier (NPI) for Charles Singer is 1619178126, a Type 1 (individual) record in the CMS NPPES registry.
Where does Charles Singer practice?
The practice location on file with NPPES is in Aptos, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.