1. Home
  2. Directory
  3. California
  4. Westlake Village
  5. Internal Medicine
  6. NPI Profile

DAYAMED, INC.
NPI 1013338227
Internal Medicine in Westlake Village, CA

Active since December 16, 2013
1240 S WESTLAKE BLVD, SUITE 137, WESTLAKE VILLAGE, CA 91361(805) 901-9275 Get Directions Write a Review

NPPES record last updated: October 10, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dayamed, Inc. NPPES

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

DAYAMED, INC. (NPI 1013338227) is a healthcare organization registered as an internal medicine in Westlake Village, California and active in the NPI registry since December 2013. The organization maintains a secondary practice location in Westlake Village and lists Anil Daya, Physician/owner, as its authorized official.

NPPES Registry Identity

NPI1013338227
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDAYAMED, INC.
Location Address1240 S WESTLAKE BLVD, SUITE 137Westlake Village, CA 91361-1988
Mailing Address32144 Agoura Rd Ste 206Westlake Village, CA 91361-4051 · (805) 371-4820
Phone(805) 901-9275
Organization SubpartNo
Authorized OfficialAnil DayaPhysician/owner · (805) 901-9275
Enumeration DateDecember 16, 2013
Last NPPES UpdateOctober 10, 2017
✔ NPI 1013338227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A49628
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1240 S WESTLAKE BLVD, Westlake Village, CA 91361
Open in Google Maps ↗

Secondary Practice Location 1

Location 11240 S Westlake Blvd, Suite 137Westlake Village, CA 91361-1988 · Phone (805) 901-9275

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dayamed, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Dayamed, Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Anil Daya, M.D.
Internal Medicine
NPI 1770542722
1240 WESTLAKE BLVD SUITE 231
Westlake Village, CA 91361
(805) 446-4444
✔ PECOS✔ Accepts MedicareSame address
Stephanie Pyatkovskiy, NP
Nurse Practitioner
NPI 1457012221
612 SPRING RD BLDG A
Moorpark, CA 93021
(805) 523-5400
✔ PECOS✔ Accepts Medicare9.5 mi
Debra Evans, MSN FNP-C
Nurse Practitioner
NPI 1932865441
1128 CLARKSVILLE ST STE 100
Paris, TX 75460
(903) 785-4362
✔ PECOS✔ Accepts Medicare1,336 mi

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

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 Dayamed, Inc.'s NPI number?

The NPI number for Dayamed, Inc. is 1013338227. It was assigned to this organization in the NPPES registry on December 16, 2013.

Where is Dayamed, Inc. located?

Dayamed, Inc. is located at 1240 S Westlake Blvd Suite 137, Westlake Village, CA 91361. The listed phone number is (805) 901-9275.

What is Dayamed, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Dayamed, Inc. enrolled in Medicare?

Yes. Dayamed, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dayamed, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Dayamed, Inc., in Internal Medicine and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dayamed, Inc. was last updated on October 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.