DENA D TILLEY N.P.
NPI 1871705251
Obstetrics & Gynecology - Obstetrics in San Luis Obispo, CA

Q: What is Dena Tilley's NPI number?

The NPI number for Dena Tilley is 1871705251. It was assigned to this individual provider in the NPPES registry on May 5, 2007.

Q: What is Dena Tilley's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Q: When was this NPI record last updated?

The NPPES record for Dena Tilley was last updated on January 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since May 05, 2007PECOS Enrolled

1551 BISHOP ST, B240, SAN LUIS OBISPO, CA 93401(805) 549-0402(805) 549-0465 Get Directions Write a Review

NPPES record last updated: January 28, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dena D Tilley N.p. NPPES

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

DENA D TILLEY N.P. (NPI 1871705251) is an individual obstetrics provider in San Luis Obispo, California, licensed in California (8147) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871705251

Entity TypeIndividualFemale

Primary Taxonomy207VX0000X

Provider Legal NameDENA D TILLEYCredential: N.P.

Location Address1551 BISHOP ST, B240San Luis Obispo, CA 93401-4635

Mailing Address2050 S Blosser RdSanta Maria, CA 93458-7310 · (805) 361-8028 · Fax (805) 361-8097

Phone(805) 549-0402

Fax(805) 549-0465

Sole ProprietorYes

Enumeration DateMay 5, 2007

Last NPPES UpdateJanuary 28, 2016

✔ NPI 1871705251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians

Taxonomy Code207VX0000X

License✔ Licensed in CA · 8147

Definition

A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee

1551 BISHOP ST, San Luis Obispo, CA 93401

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Other Identifiers 2

Medicare ID-Type UnspecifiedZZZ47930ZCA

MedicaidGR0067850CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dena D Tilley N.p. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Dena Tilley reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Health Centers Of The Central Coast Inc

Same address

Federally Qualified Health Center (FQHC)

1551 BISHOP ST, SUITE 240
San Luis Obispo, CA 93401

Reassigned Medicare billing, California enrollment
213 clinicians in this Medicare group

NPI 1124045158 (805) 549-0402

Advanced Care Medical Group Inc

102 mi

Family Medicine

3130 W CALDWELL AVE
Visalia, CA 93277

Reassigned Medicare billing, California enrollment
13 clinicians in this Medicare group

NPI 1295114965 (559) 635-7800

Riverway Medical Group A Medical Corporation

104 mi

Family Medicine

1827 S COURT ST STE B
Visalia, CA 93277

Reassigned Medicare billing, California enrollment
10 clinicians in this Medicare group

NPI 1265046395 (559) 260-6509

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

28 services26 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

16 services16 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93401 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

$135.73 typical visit price

range $59.84 – $178.89

Typical copayment $33.93 (range $14.96 – $44.72)

Most-billed visit code 99204

Established Patient

$74.24 typical visit price

range $19.70 – $146.55

Typical copayment $18.56 (range $4.92 – $36.63)

Most-billed visit code 99213

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.

CAROLYN ANN SMITH P.A.

Physician Assistant (Medical)

1551 BISHOP ST, 220
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 541-0668

COMMUNITY HEALTH CENTERS OF THE CENTRAL COAST INC

Clinic/Center (Federally Qualified Health Center (FQHC))

1551 BISHOP ST, SUITE 240
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 549-0402

MS. MARY B GARRETT NP

Nurse Practitioner (Psychiatric/Mental Health)

1551 BISHOP ST, SUITE A-150
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 541-6000

DR. BRANDON JAMES SLADE DPM

Podiatrist (Foot & Ankle Surgery)

1551 BISHOP ST
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 543-7788

JOHN BARRY SIEBENLIST M.D.

Dermatology (Procedural Dermatology)

1551 BISHOP ST, SUITE 220
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 541-0668

ELENA G ASELTINE

Registered Nurse (Women's Health Care, Ambulatory)

1551 BISHOP ST, SUITE 240
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 549-0402

RODOLFO CASTILLO-RUIZ MD

Family Medicine

1551 BISHOP ST, 160
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 269-1500

CHARLES B. FISHMAN M.D.

Dermatology

1551 BISHOP ST, SUITE 410
SAN LUIS OBISPO, CA 93401

San Luis Obispo County (805) 541-4180

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 Dena Tilley's NPI number?

The NPI number for Dena Tilley is 1871705251. It was assigned to this individual provider in the NPPES registry on May 5, 2007.

Where is Dena Tilley located?

Dena Tilley practices at 1551 Bishop St B240, San Luis Obispo, CA 93401. The listed phone number is (805) 549-0402.

What is Dena Tilley's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Dena Tilley enrolled in Medicare?

Yes. Dena Tilley is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dena Tilley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dena Tilley reassigns Medicare benefits to 3 organizations: Community Health Centers Of The Central Coast Inc (San Luis Obispo, CA), Advanced Care Medical Group Inc (Visalia, CA) and Riverway Medical Group A Medical Corporation (Visalia, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dena Tilley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Dena Tilley was last updated on January 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.