NPPES file of Aug 9, 2026

Mark Alan Krasemann, O.D.

Optometrist · Mesa, AZ

Mark Alan Krasemann, O.D. is an optometrist with a practice address in Mesa, Arizona, and NPI 1225011141, issued on Nov 23, 2005. Check the license (Arizona 841, as entered in NPPES) with the Arizona 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
1225011141
Name
Mark Alan Krasemann
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
841 AZ
Self-reported in NPPES; status is on the state search
Practice location
8003 E Apache Trl, Mesa, AZ 85207
Phone
(480) 986-1601
Enumerated
Nov 23, 2005
Record last updated
Nov 15, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(480) 986-9242
Medicare enrollment
Enrolled (PECOS I20051102000126); accepts Medicare assignment
Medical or professional school
Southern College Of Optometry, 1988
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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8 nearest optometrist records → All 1,336 in Arizona → Look up another NPI →

Verify Mark Alan Krasemann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 841    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 Arizona license search

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61% fewer Medicare Part D claims than the average optometrist in 2024

108 Medicare Part D claims for 24 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Mark Krasemann108
  2. Specialty average277

Most prescribed

  1. Latanoprost41 claims
  2. Brimonidine Tartrate31 claims
  3. Restasis13 claims
  4. Ofloxacin11 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.

Mark Alan Krasemann among 1,336 optometrist records in Arizona

Mark Alan Krasemann, O.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1988 · median 2010 among the 746 with a school on file
  • Record last updated2007 · 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).

99 optometrist records list a practice address in Mesa

They are 99 of the 9,151 NPPES records with a practice address in Mesa, and 1,336 optometrist records in Arizona.

All 1,336 in Arizona → Every provider in Mesa → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Anthony Nappi, ODMesa, AZ 852071952372955
  2. Devin Baer, ODMesa, AZ 852061306332580
  3. Krystal Chee, O.D.Mesa, AZ 852061295288306
  4. Matthew Choy, ODMesa, AZ 852061750047296
  5. Corey Dunlop, ODMesa, AZ 852061053939306
  6. Elena Filatova, O.DMesa, AZ 852061649553355
  7. Mindy Hagstrom, O.D.Mesa, AZ 852061669799664
  8. Leah Janousek, ODMesa, AZ 852061285157933

Common questions

What is Mark Alan Krasemann, O.D.'s NPI number?

Mark Alan Krasemann, O.D.'s National Provider Identifier (NPI) is 1225011141, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Alan Krasemann, O.D. located?

The NPPES record lists a practice address at 8003 E Apache Trl, Mesa, AZ, 85207. Phone: (480) 986-1601. Providers update this record themselves, so call before visiting.

How can I verify Mark Alan Krasemann, O.D.'s license?

NPPES lists Arizona license number 841, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Alan Krasemann, O.D. prescribe under Medicare Part D?

In 2024, Mark Alan Krasemann, O.D. had 108 Medicare Part D claims for 24 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.