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Ms. Nancy M. Ortenberg, M,A., LMFT

Ms. Nancy M. Ortenberg is a Counselor provider (Counselor) practicing in Boulder, CO, registered in the NPPES registry with NPI 1053590885 since 2007. The credential LMFT stands for Licensed Marriage and Family Therapist. Practices at Anam Chara (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1053590885
Entity type Individual (Type 1)
Name Ms. Nancy M. Ortenberg
Credential M,A., LMFT
Sex Female
Practice address Boulder, CO, 80302
Phone 3034492011
Fax 3034498525
Enumeration date 2007-10-29
Last updated in NPPES 2009-05-08

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
101Y00000X Counselor Primary MFT 287 CO
106H00000X Marriage & Family Therapist Secondary MFT 287 CO

LMFT — Licensed Marriage and Family Therapist: A licensed therapist specializing in relational and family psychotherapy. About the LMFT credential

Copy-ready billing details
Provider: Nancy Ortenberg, M,A., LMFT
NPI: 1053590885
Taxonomy: 101Y00000X (Counselor)
Address: Boulder, CO, 80302

Other providers at this practice address

NPI Name Type Specialty Location
1306872908 Anam Chara Organization Community Based Hospice Care Agency Boulder, CO
1801948971 Jennifer Epstein Individual Mental Health Counselor Boulder, CO
1811268758 Jennie Gershater Individual Mental Health Counselor Boulder, CO
1629473186 Tobin Haas Individual Psychologist Boulder, CO
1255005948 Sue Jordan Kertzner Individual Professional Counselor Boulder, CO

Verify this record

Cross-check NPI 1053590885 against the authoritative CMS record: view Ms. Nancy M. Ortenberg 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

Where does Nancy Ortenberg practice?
The practice location on file with NPPES is in Boulder, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Nancy Ortenberg?
The National Provider Identifier (NPI) for Nancy Ortenberg is 1053590885, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2009-05-08.