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DAYNA GRANSTON RN, RXN, CNS, APRN
NPI 1639199235
Clinical Nurse Specialist - Psychiatric/Mental Health, Adult in Boulder, CO

Active since July 19, 2006Opted out of Medicare · through Jan 1, 2028
1634 WALNUT ST STE 201, BOULDER, CO 80302(303) 818-8263(844) 272-1680 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 17, 2018, Feb 19, 2018 (2 updates tracked since 2018).

About Dayna Granston Rn, Rxn, Cns, Aprn NPPES

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

DAYNA GRANSTON RN, RXN, CNS, APRN (NPI 1639199235) is an individual psychiatric/mental health, adult provider in Boulder, Colorado, licensed in Colorado (RXN-0001430-CNS) and active in the NPI registry since July 2006. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer and maintains a secondary practice location in Boulder.

NPPES Registry Identity

NPI1639199235
Entity TypeIndividualFemale
Primary Taxonomy364SP0809X
Provider Legal NameDAYNA GRANSTONCredential: RN, RXN, CNS, APRN
Location Address1634 WALNUT ST STE 201Boulder, CO 80302-5400
Mailing Address910 Hawthorn AveBoulder, CO 80304-2144 · (303) 443-9634
Phone(303) 818-8263
Fax(844) 272-1680
Sole ProprietorYes
Enumeration DateJuly 19, 2006
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1639199235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical Nurse Specialist · Psychiatric/Mental Health, AdultPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SP0809X
License✔ Licensed in CO · RXN-0001430-CNS
Also ListedRegistered NurseTaxonomy 163W00000X · License 91024 (CO)
1634 WALNUT ST STE 201, Boulder, CO 80302
Open in Google Maps ↗

Secondary Practice Location 1

Location 11333 Iris AvenueBoulder, CO 80304-2296 · Phone (720) 406-3698

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Dayna Granston Rn, Rxn, Cns, Aprn 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 1, 2016 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2016
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80302 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. JED SICKLES SHAPIRO MD
Psychiatry & Neurology (Psychiatry)
1634 WALNUT ST STE 201
BOULDER, CO 80302
Boulder County (303) 654-7330
ANN MARIE NORRIS MSW, LCSW
Counselor (Mental Health)
1634 WALNUT ST STE 201
BOULDER, CO 80302
Boulder County (303) 543-7777

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 Dayna Granston's NPI number?

The NPI number for Dayna Granston is 1639199235. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Dayna Granston located?

Dayna Granston practices at 1634 Walnut St Ste 201, Boulder, CO 80302. The listed phone number is (303) 818-8263.

What is Dayna Granston's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 364SP0809X.

Is Dayna Granston enrolled in Medicare?

No. Dayna Granston has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Dayna Granston accept?

Health plans from Providence Health Plan list Dayna Granston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dayna Granston was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.