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KEITH OLIVER DILLON M.D.
NPI 1154407534
Obstetrics & Gynecology in Santa Maria, CA

Active since October 28, 2006PECOS Enrolled
1510 E MAIN ST, SUITE 104, SANTA MARIA, CA 93454(805) 739-3262(805) 354-7013 Get Directions Write a Review

NPPES record last updated: July 10, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Keith Oliver Dillon M.d. NPPES

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

KEITH OLIVER DILLON M.D. (NPI 1154407534) is an individual obstetrics & gynecology provider in Santa Maria, California, licensed in California (A75356) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154407534
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameKEITH OLIVER DILLONCredential: M.D.
Location Address1510 E MAIN ST, SUITE 104Santa Maria, CA 93454-4825
Mailing Address1510 E Main St, Suite 104Santa Maria, CA 93454-4825 · (805) 739-3262 · Fax (805) 354-7013
Phone(805) 739-3262
Fax(805) 354-7013
Sole ProprietorNo
Enumeration DateOctober 28, 2006
Last NPPES UpdateJuly 10, 2011
✔ NPI 1154407534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A75356
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1510 E MAIN ST, Santa Maria, CA 93454
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Other Identifiers 1

Medicare UPINI24660CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Keith Oliver Dillon M.d. 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

2

Medicare enrollment records show Keith Dillon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Magella Medical Group, Inc.
149 mi
Maternal & Fetal Medicine
2888 LONG BEACH BLVD STE 400
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 191 clinicians in this Medicare group
NPI 1376640086 (562) 997-8510
Obhg California, P.C.
2,148 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

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 93454 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
$139.99 typical visit price
range $62.01 – $184.40
Typical copayment $34.99 (range $15.50 – $46.10)
Most-billed visit code 99204
Established Patient
$76.76 typical visit price
range $20.60 – $151.20
Typical copayment $19.19 (range $5.15 – $37.80)
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 13

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

SUSAN E. ZIEMBA, M.D., INC.
Internal Medicine
1510 E MAIN ST, STE 104C
SANTA MARIA, CA 93454
Santa Barbara County (805) 925-1624
PACIFIC CENTRAL COAST HEALTH CENTERS
Clinic/Center (Community Health)
1510 E MAIN ST, SUITE 104-C
SANTA MARIA, CA 93454
Santa Barbara County (805) 349-8514
CALIFORNIA RETINA CONSULTANTS
Ophthalmology (Retina Specialist)
1510 E MAIN ST, SUITE 103
SANTA MARIA, CA 93454
Santa Barbara County (805) 922-2068
SAMIR N BHATT MD
Internal Medicine (Interventional Cardiology)
1510 E MAIN ST, STE 101
SANTA MARIA, CA 93454
Santa Barbara County (805) 928-0610
ALEX T HARRISON MD
Internal Medicine (Cardiovascular Disease)
1510 E MAIN ST, SUITE 101
SANTA MARIA, CA 93454
Santa Barbara County (805) 928-0610
KEITH DILLON, M.D., INC.
Obstetrics & Gynecology (Gynecology)
1510 E MAIN ST, STE 104
SANTA MARIA, CA 93454
Santa Barbara County (805) 739-3262
MRS. MARY KATHERINE LLARENA FNP-C
Nurse Practitioner
1510 E MAIN ST, STE 101
SANTA MARIA, CA 93454
Santa Barbara County (805) 928-0610
ALEX HARRISON, M.D., INC.
Internal Medicine (Cardiovascular Disease)
1510 E MAIN ST, STE 101
SANTA MARIA, CA 93454
Santa Barbara County (805) 928-0610

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 Keith Dillon's NPI number?

The NPI number for Keith Dillon is 1154407534. It was assigned to this individual provider in the NPPES registry on October 28, 2006.

Where is Keith Dillon located?

Keith Dillon practices at 1510 E Main St Suite 104, Santa Maria, CA 93454. The listed phone number is (805) 739-3262.

What is Keith Dillon's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Keith Dillon enrolled in Medicare?

Yes. Keith Dillon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Keith Dillon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keith Dillon reassigns Medicare benefits to 2 organizations: Magella Medical Group, Inc. (Long Beach, CA) and Obhg California, P.C. (Greenville, SC). 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 Keith Dillon'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 Keith Dillon was last updated on July 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.