Jonathan Chao, MD
Cornea and External Diseases Specialist Physician · Manchester, NH
Jonathan Chao, MD is a cornea and external diseases specialist physician with a practice address in Manchester, New Hampshire, and NPI 1497249940, issued on Jun 19, 2018. Check the license (New Hampshire 23991, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Chao
- Credential
- MD
- Primary taxonomy
- Cornea and External Diseases Specialist Physician 207WX0120X
- License numbers
- 23991 NH
1497249940 MI
4301114597 MI
Self-reported in NPPES; status is on the state search - Practice location
- 250 River RD, Manchester, NH 03104
- Phone
- (603) 668-2020
- Enumerated
- Jun 19, 2018
- Record last updated
- Apr 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20230823001634); accepts Medicare assignment
- Entity
- Type 1 · individual
All 1 in New Hampshire → Look up another NPI →
Also registered at 250 River RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathan Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 23991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average cornea and external diseases specialist physician in 2024
1,657 Medicare Part D claims for 461 beneficiaries, against an average of 1,263 among the 330 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims. 16 claims were for opioids.
Most prescribed
- Prednisolone Acetate433 claims
- Ofloxacin237 claims
- Ketorolac Tromethamine226 claims
- Moxifloxacin98 claims
- Timolol Maleate94 claims
- Latanoprost64 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: $699.50
13 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 284 providers of this specialty with any payment received $3,109.37 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 2 group practices
- Elliot Professional ServicesManchester, NH
- The Medical Eye Center PCManchester, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cornea and External Diseases Specialist Physician providers in New Hampshire
There are 1 cornea and external diseases specialist physician records in New Hampshire.
All 1 in New Hampshire → Every provider in Manchester → Cornea and External Diseases Specialist Physician nationwide →
Common questions
What is Jonathan Chao, MD's NPI number?
Jonathan Chao, MD's National Provider Identifier (NPI) is 1497249940, issued on Jun 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Chao, MD located?
The NPPES record lists a practice address at 250 River RD, Manchester, NH, 03104. Phone: (603) 668-2020. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Chao, MD's license?
NPPES lists New Hampshire license number 23991, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Chao, MD prescribe under Medicare Part D?
In 2024, Jonathan Chao, MD had 1,657 Medicare Part D claims for 461 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,263. 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.