John D. Twelker, OD, PHD
Optometrist · Tucson, AZ
John D. Twelker, OD, PHD is an optometrist with a practice address in Tucson, Arizona, and NPI 1255405940, issued on Nov 17, 2006. Check the license (Arizona 1202, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John D. Twelker
- Credential
- OD, PHD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1202 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 707 N Alvernon Way Ste 301, Tucson, AZ 85711
- Phone
- (520) 694-1460
- Enumerated
- Nov 17, 2006
- Record last updated
- May 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (520) 694-1464
- Medicaid ID
- 709090 AZ
- Medicare enrollment
- Enrolled (PECOS I20210203002871); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 1992
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,336 in Arizona → Look up another NPI →
Also registered at 707 N Alvernon Way Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rita Bhakta, O.D.Optometrist1821137530
- Andrew Dieu, MDStudent in an Organized Health Care Education/Training Program1891438792
- Elham GhahariGlaucoma Specialist (Ophthalmology) Physician1336704410
- Rommel Izaguirre Pereira, MDPediatric Ophthalmology and Strabismus Specialist Physician1356692818
- Mireille Jabroun, MDPediatric Ophthalmology and Strabismus Specialist Physician1942780267
- Gavin Jaime, ODOptometrist1548157548
Verify John D. Twelker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 1202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average optometrist in 2024
54 Medicare Part D claims for 16 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 72% of claims.
Most prescribed
- Restasis14 claims
- Latanoprost11 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John D. Twelker among 1,336 optometrist records in Arizona
John D. Twelker, OD, PHD is one of 1,336 optometrist records with a practice address in Arizona. 75% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 62% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1992 · median 2010 among the 746 with a school on file
- Record last updated2010 · 62% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Arizona
There are 1,336 optometrist records in Arizona.
All 1,336 in Arizona → Every provider in Tucson → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Larry Allgood, ODTucson, AZ 857111316009566
- Rita Bhakta, O.D.Tucson, AZ 857111821137530
- Barry Blonder, O.D.Tucson, AZ 857111689671992
- Paul Cinalli, ODTucson, AZ 857111124139779
- Tami Friske, ODTucson, AZ 857111003812256
- John Hill, O.D.Tucson, AZ 857111932271012
- Norman Kupers, O.D.Tucson, AZ 857111083679641
- Peter Langenfeld Od, ODTucson, AZ 857111083670616
Common questions
What is John D. Twelker, OD, PHD's NPI number?
John D. Twelker, OD, PHD's National Provider Identifier (NPI) is 1255405940, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John D. Twelker, OD, PHD located?
The NPPES record lists a practice address at 707 N Alvernon Way Ste 301, Tucson, AZ, 85711. Phone: (520) 694-1460. Providers update this record themselves, so call before visiting.
How can I verify John D. Twelker, OD, PHD's license?
NPPES lists Arizona license number 1202, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does John D. Twelker, OD, PHD prescribe under Medicare Part D?
In 2024, John D. Twelker, OD, PHD had 54 Medicare Part D claims for 16 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is John D. Twelker, OD, PHD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.