Thasarat S. Vajaranant, MD
Ophthalmology Physician · Chicago, IL
Thasarat S. Vajaranant, MD is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1700808763, issued on Jul 25, 2006. Check the license (Illinois 036115587, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thasarat S. Vajaranant
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036115587 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1855 W Taylor St, Chicago, IL 60612
- Phone
- (312) 996-7030
- Enumerated
- Jul 25, 2006
- Record last updated
- May 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (312) 996-7770
- Medicare enrollment
- Enrolled (PECOS I20061208000296); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 1855 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Albian, PA-CPhysician Assistant1518367556
- Modjtaba AmirahmadiOphthalmology Physician1497976831
- Ahmad Aref, M.D.Ophthalmology Physician1053522540
- Ibrahim Asseidat, M.D.Ophthalmology Physician1558483693
- Nathalie Azar, M.D.Ophthalmology Physician1437133295
- Karl Becker, M.D.Ophthalmology Physician1114471745
Verify Thasarat S. Vajaranant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036115587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average ophthalmology physician in 2024
2,257 Medicare Part D claims for 392 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Latanoprost596 claims
- Brimonidine Tartrate363 claims
- Dorzolamide-Timolol293 claims
- Dorzolamide Hcl220 claims
- Timolol Maleate157 claims
- Acetazolamide65 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,339.50
5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thasarat S. Vajaranant among 898 ophthalmology physician records in Illinois
Thasarat S. Vajaranant, MD is one of 898 ophthalmology physician records with a practice address in Illinois. 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 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1996 · median 1999 among the 551 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Chicago → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Nathalie Azar, M.D.Chicago, IL 606121437133295
- Adrienne Berman, MDChicago, IL 606121003826173
- Robison Chan, MDChicago, IL 606121144204397
- Ali D'Jalilian, MDChicago, IL 606121649299363
- James Goodwin, M.D.Chicago, IL 606121023038783
- Richard Grostern, MDChicago, IL 606121902881170
- Sandeep Jain, M.D.Chicago, IL 606121972616613
- Charlotte JoslinChicago, IL 606121194735217
Common questions
What is Thasarat S. Vajaranant, MD's NPI number?
Thasarat S. Vajaranant, MD's National Provider Identifier (NPI) is 1700808763, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thasarat S. Vajaranant, MD located?
The NPPES record lists a practice address at 1855 W Taylor St, Chicago, IL, 60612. Phone: (312) 996-7030. Providers update this record themselves, so call before visiting.
How can I verify Thasarat S. Vajaranant, MD's license?
NPPES lists Illinois license number 036115587, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thasarat S. Vajaranant, MD prescribe under Medicare Part D?
In 2024, Thasarat S. Vajaranant, MD had 2,257 Medicare Part D claims for 392 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Thasarat S. Vajaranant, MD's MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.