TRACEY STASSI MHSC, RDN, LDN
NPI 1710570478
Dietitian, Registered in Boulder, CO

Q: What is Tracey Stassi's NPI number?

The NPI number for Tracey Stassi is 1710570478. It was assigned to this individual provider in the NPPES registry on February 14, 2021.

Q: What is Tracey Stassi's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Q: Is Tracey Stassi enrolled in Medicare?

No. Tracey Stassi has opted out of Medicare through January 16, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Tracey Stassi was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 February 14, 2021Opted out of Medicare · through Jan 16, 2028

75 MANHATTAN DR STE 207, BOULDER, CO 80303(720) 943-7305 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 8, 2026, Feb 14, 2021 (2 updates tracked since 2021).

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About Tracey Stassi Mhsc, Rdn, Ldn NPPES

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

TRACEY STASSI MHSC, RDN, LDN (NPI 1710570478) is an individual dietitian, registered in Boulder, Colorado, licensed in Pennsylvania (DN005446) and active in the NPI registry since February 2021. She has opted out of Medicare through January 16, 2028.

NPPES Registry Identity

NPI1710570478

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameTRACEY STASSICredential: MHSC, RDN, LDN

Location Address75 MANHATTAN DR STE 207Boulder, CO 80303-4253

Mailing Address75 Manhattan Dr Ste 207Boulder, CO 80303-4253 · (720) 943-7305

Phone(720) 943-7305

Sole ProprietorNo

Enumeration DateFebruary 14, 2021

Last NPPES UpdateJanuary 8, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 8, 2026

✔ NPI 1710570478 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in PA · DN005446

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

75 MANHATTAN DR STE 207, Boulder, CO 80303

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Tracey Stassi Mhsc, Rdn, Ldn has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 16, 2024 through January 16, 2028.

Opt-Out Effective DateJanuary 16, 2024

Opt-Out In Effect ThroughJanuary 16, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 3

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

JOSEPH HOLUB MHA, LAC, CAS

Counselor (Addiction (Substance Use Disorder))

75 MANHATTAN DR STE 207
BOULDER, CO 80303

Boulder County (720) 808-2150

RIVERSTONE BEHAVIORAL HEALTH LLC

Counselor (Addiction (Substance Use Disorder))

75 MANHATTAN DR STE 207
BOULDER, CO 80303

Boulder County (720) 802-6925

LORETTA MILLER MA, LAC, LPC

Counselor (Professional)

75 MANHATTAN DR STE 207
BOULDER, CO 80303

Boulder County (303) 304-1421

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 Tracey Stassi's NPI number?

The NPI number for Tracey Stassi is 1710570478. It was assigned to this individual provider in the NPPES registry on February 14, 2021.

Where is Tracey Stassi located?

Tracey Stassi practices at 75 Manhattan Dr Ste 207, Boulder, CO 80303. The listed phone number is (720) 943-7305.

What is Tracey Stassi's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Tracey Stassi enrolled in Medicare?

No. Tracey Stassi has opted out of Medicare through January 16, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Tracey Stassi was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.