NPPES file of Aug 9, 2026

Michael David Spanfelner, O.D.

Optometrist · Oroville, CA

Michael David Spanfelner, O.D. is an optometrist with a practice address in Oroville, California, and NPI 1669586541, issued on Aug 18, 2006. Check the license (California 10240T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669586541
Name
Michael David Spanfelner
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
10240T CA
Self-reported in NPPES; status is on the state search
Practice location
1550 Myers St, Oroville, CA 95965
Phone
(530) 533-6604
Enumerated
Aug 18, 2006
Record last updated
Jan 2, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(530) 533-6568
Medicaid ID
GSD001930 CA
Medicare enrollment
Enrolled (PECOS I20080424000796); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1550 Myers St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Rocchi, O.D.Optometrist1184632077

Verify Michael David Spanfelner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 10240T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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26% more Medicare Part D claims than the average optometrist in 2024

348 Medicare Part D claims for 77 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Michael Spanfelner348
  2. Specialty average277

Most prescribed

  1. Latanoprost166 claims
  2. Timolol Maleate53 claims
  3. Lumigan27 claims
  4. Dorzolamide Hcl18 claims
  5. Travoprost12 claims
  6. Dorzolamide-Timolol11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $112.00

5 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Spanfelner$112.00
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Rocchi And Spanfelner OptometristsOroville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael David Spanfelner among 8,308 optometrist records in California

Michael David Spanfelner, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1993 · median 2008 among the 3,573 with a school on file
  • Record last updated2013 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Michael Ferretti, ODOroville, CA 959651447223730
  2. Steven Rocchi, O.D.Oroville, CA 959651184632077
  3. Geoffrey Carlson, O.D.Oroville, CA 959661518968213
  4. Thomas Flynn, ODOrland, CA 959631205867660
  5. Robert Carter, O.D.Paradise, CA 959691952410839
  6. Robert Dipietro, ODParadise, CA 959691700930799
  7. Eugene Koury, O.D.Paradise, CA 959691386753275
  8. Randall McPherran, ODParadise, CA 959691720001738

Common questions

What is Michael David Spanfelner, O.D.'s NPI number?

Michael David Spanfelner, O.D.'s National Provider Identifier (NPI) is 1669586541, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael David Spanfelner, O.D. located?

The NPPES record lists a practice address at 1550 Myers St, Oroville, CA, 95965. Phone: (530) 533-6604. Providers update this record themselves, so call before visiting.

How can I verify Michael David Spanfelner, O.D.'s license?

NPPES lists California license number 10240T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Michael David Spanfelner, O.D. prescribe under Medicare Part D?

In 2024, Michael David Spanfelner, O.D. had 348 Medicare Part D claims for 77 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.