ANA CECILIA SILLER FNP-C
NPI 1932927225
Nurse Practitioner - Family in Durango, CO

Q: What is Ana Cecilia Siller's NPI number?

The NPI number for Ana Cecilia Siller is 1932927225. It was assigned to this individual provider in the NPPES registry on September 26, 2024.

Q: What is Ana Cecilia Siller's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since September 26, 2024PECOS EnrolledAccepts Medicare Assignment

150 MERCURY VILLAGE DR, DURANGO, CO 81301(970) 335-2342(970) 335-2438 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 16, 2026, Sep 26, 2024 (2 updates tracked since 2024).

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About Ana Cecilia Siller Fnp-c NPPES

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

ANA CECILIA SILLER FNP-C (NPI 1932927225) is an individual family provider in Durango, Colorado, licensed in Colorado (F08240419) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Colorado School Of Medicine, Aurora (2024).

NPPES Registry Identity

NPI1932927225

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameANA CECILIA SILLERCredential: FNP-C

Location Address150 MERCURY VILLAGE DRDurango, CO 81301-8955

Mailing AddressPo Box 1328Durango, CO 81302-1328 · (970) 335-2342 · Fax (970) 335-2438

Phone(970) 335-2342

Fax(970) 335-2438

Sole ProprietorYes

Medical School CMSUniversity Of Colorado School Of Medicine, AuroraGraduated 2024

Enumeration DateSeptember 26, 2024

Last NPPES UpdateFebruary 11, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 11, 2026

✔ NPI 1932927225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CO · F08240419

150 MERCURY VILLAGE DR, Durango, CO 81301

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Secondary Practice Locations 2

Location 1500 W Cummings Park Ste 2700Woburn, MA 01801-6513 · Phone (781) 376-6900

Location 2691 E Empire StCortez, CO 81321-2802 · Phone (970) 565-7946 · Fax (970) 565-9005

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ana Cecilia Siller Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668904806

PECOS Enrollment IDI20250731001351

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ana Cecilia Siller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southwest Colorado Mental Health Center, Inc

Same address

Mental Health (Including Community Mental Health Center)

150 MERCURY VILLAGE DR
Durango, CO 81301

Reassigned Medicare billing, Colorado enrollment
97 clinicians in this Medicare group

NPI 1487420725 (970) 335-2342

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 81301 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

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 20

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

EVE NICOLE WILLIAMS LCSW, LAC

Social Worker (Clinical)