1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Student In An Organized Health Care Education Training Program
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WALTER HARDESTY MD
NPI 1174187710
Internal Medicine in Canyon Country, CA

Active since April 29, 2019PECOS Enrolled
19231 SOLEDAD CANYON RD, CANYON COUNTRY, CA 91351(661) 430-9040 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 12, 2026, Nov 21, 2022, Dec 20, 2021 and 1 more (4 updates tracked since 2019).

About Dr. Walter Hardesty Md NPPES

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

DR. WALTER HARDESTY MD (NPI 1174187710) is an individual internal medicine provider in Canyon Country, California, licensed in California (A181350) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174187710
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WALTER HARDESTYCredential: MD
Location Address19231 SOLEDAD CANYON RDCanyon Country, CA 91351-3367
Mailing Address19325 Maybrook Ln Apt 306Santa Clarita, CA 91351-4424
Phone(661) 430-9040
Sole ProprietorNo
Enumeration DateApril 29, 2019
Last NPPES UpdateOctober 12, 20264 updates tracked since enumeration
NPPES CertifiedOctober 12, 2026
✔ NPI 1174187710 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 · A181350
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.
19231 SOLEDAD CANYON RD, Canyon Country, CA 91351
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Walter Hardesty Md 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 Reassignment

Medicare enrollment records show Walter Hardesty reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1.6 mi
Health Maintenance Organization
19105 GOLDEN VALLEY RD
Santa Clarita, CA 91387
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1316409410 (877) 608-0044

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 91351 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 4

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

GABRIELLE MARIE BAUTISTA PA-C
Physician Assistant
19231 SOLEDAD CANYON RD
CANYON COUNTRY, CA 91351
Los Angeles County (661) 430-9040
YASMIN BAHRAMI NP
Nurse Practitioner (Family)
19231 SOLEDAD CANYON RD
SANTA CLARITA, CA 91351
Los Angeles County (661) 260-3155
MARK CHAN NP
Nurse Practitioner (Family)
19231 SOLEDAD CANYON RD
SANTA CLARITA, CA 91351
Los Angeles County (661) 260-3155
AMANI AL SHEIKH ALEAIS
Physician Assistant
19231 SOLEDAD CANYON RD
SANTA CLARITA, CA 91351
Los Angeles County (661) 430-9040

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 Walter Hardesty's NPI number?

The NPI number for Walter Hardesty is 1174187710. It was assigned to this individual provider in the NPPES registry on April 29, 2019.

Where is Walter Hardesty located?

Walter Hardesty practices at 19231 Soledad Canyon Rd, Canyon Country, CA 91351. The listed phone number is (661) 430-9040.

What is Walter Hardesty's specialty?

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

Is Walter Hardesty enrolled in Medicare?

Yes. Walter Hardesty is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Walter Hardesty's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Walter Hardesty reassigns Medicare benefits to Southern California Permanente Medical Group (Santa Clarita, CA). The 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 Walter Hardesty'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 Walter Hardesty was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.