Corissa Anne McKallagat, O.D.
Optometrist · Newington, NH
Corissa Anne McKallagat, O.D. is an optometrist with a practice address in Newington, New Hampshire, and NPI 1215249651, issued on Jul 13, 2010. Check the license (New Hampshire NH0844, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Corissa Anne McKallagat
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- NH0844 NH
Self-reported in NPPES; status is on the state search - Practice location
- 50 Fox Run RD, Newington, NH 03801
- Phone
- (603) 828-9601
- Enumerated
- Jul 13, 2010
- Record last updated
- Jul 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (603) 430-3076
- Medicare enrollment
- Enrolled (PECOS I20101025001399); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2010
- Entity
- Type 1 · individual
Also registered at 50 Fox Run RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Inhyang Song, O.D.Corneal and Contact Management Optometrist1902812522
Verify Corissa Anne McKallagat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license NH0844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average optometrist in 2024
77 Medicare Part D claims for 30 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.
Most prescribed
- Latanoprost13 claims
- Restasis12 claims
- Cyclosporine11 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: $66.17
3 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Optometrist providers in New Hampshire
There are 293 optometrist records in New Hampshire.
Other optometrist records in New Hampshire
- Michael Abrams, O.D.Penacook, NH1245321728
- Marilynn Acker Ezell, ODJaffrey, NH1194799379
- Meredith Alfred Carlson, ODPortsmouth, NH1679353247
- Joseph Alger, ODKeene, NH1457467367
- Denis Allard, ODManchester, NH1114004363
- David Appler, O.D.Hudson, NH1154300499
- Koray Arin, ODBedford, NH1568547537
- Andrew Armstrong, ODPlymouth, NH1841364650
- Dwight Arvidson, O.D.Portsmouth, NH1528125283
- Naila Aslam, ODDover, NH1265480958
Common questions
What is Corissa Anne McKallagat, O.D.'s NPI number?
Corissa Anne McKallagat, O.D.'s National Provider Identifier (NPI) is 1215249651, issued on Jul 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Corissa Anne McKallagat, O.D. located?
The NPPES record lists a practice address at 50 Fox Run RD, Newington, NH, 03801. Phone: (603) 828-9601. Providers update this record themselves, so call before visiting.
How can I verify Corissa Anne McKallagat, O.D.'s license?
NPPES lists New Hampshire license number NH0844, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Corissa Anne McKallagat, O.D. prescribe under Medicare Part D?
In 2024, Corissa Anne McKallagat, O.D. had 77 Medicare Part D claims for 30 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.