1. Home
  2. Directory
  3. California
  4. Santa Maria
  5. Dermatology
  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.

WILLIAM ALLEN OKERBLOM M.D.
NPI 1396893046
Dermatology in Santa Maria, CA

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
1103 DEVONSHIRE PL, SANTA MARIA, CA 93455(805) 478-6570(866) 317-4919 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William Allen Okerblom M.d. NPPES

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

WILLIAM ALLEN OKERBLOM M.D. (NPI 1396893046) is an individual dermatology provider in Santa Maria, California, licensed in California (G49571) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1981).

NPPES Registry Identity

NPI1396893046
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameWILLIAM ALLEN OKERBLOMCredential: M.D.
Location Address1103 DEVONSHIRE PLSanta Maria, CA 93455-3444
Mailing Address1103 Devonshire PlSanta Maria, CA 93455-3444 · (805) 478-6570 · Fax (866) 317-4919
Phone(805) 478-6570
Fax(866) 317-4919
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1981
Enumeration DateJanuary 8, 2007
Last NPPES UpdateAugust 25, 2026
NPPES CertifiedAugust 25, 2026
✔ NPI 1396893046 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · G49571
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedFamily MedicineTaxonomy 207Q00000X · License G49571 (CA)
1103 DEVONSHIRE PL, Santa Maria, CA 93455
Open in Google Maps ↗

Other Identifiers 2

OtherGI162APtan
OtherP00465406CA · Medicare Railroad

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

William Allen Okerblom M.d. 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 ID5193765907
PECOS Enrollment IDI20050510001231
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 William Okerblom reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Coast Family Care Medical Associates, Inc.
1.3 mi
Family Medicine
1145 E CLARK AVE STE C
Santa Maria, CA 93455
  • Reassigned Medicare billing, California enrollment
  • 19 clinicians in this Medicare group
NPI 1093467730 (805) 387-6366
Santa Barbara Neighborhood Clinics
46 mi
Federally Qualified Health Center (FQHC)
970 EMBARCADERO DEL MAR
Isla Vista, CA 93117
  • Reassigned Medicare billing, California enrollment
  • 42 clinicians in this Medicare group
NPI 1265458434 (805) 968-1511

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 93455 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
$94.71 typical visit price
range $62.01 – $184.40
Typical copayment $23.67 (range $15.50 – $46.10)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims12 services$96.30 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 William Okerblom's NPI number?

The NPI number for William Okerblom is 1396893046. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is William Okerblom located?

William Okerblom practices at 1103 Devonshire Pl, Santa Maria, CA 93455. The listed phone number is (805) 478-6570.

What is William Okerblom's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is William Okerblom enrolled in Medicare?

Yes. William Okerblom is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for William Okerblom's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Okerblom reassigns Medicare benefits to 2 organizations: Central Coast Family Care Medical Associates, Inc. (Santa Maria, CA) and Santa Barbara Neighborhood Clinics (Isla Vista, 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 William Okerblom'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 William Okerblom was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.