Corissa Anne McKallagat, OD
- Medicare patients, 2024
- 205
- Part D claims, 2024
- 77
- Industry payments
- $66
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 14 Manchester Sq, Portsmouth, NH 03801
- Practice phone
- Call (603) 431-6070
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northeast Foot and Ankle
Portsmouth, New Hampshire
Find Corissa McKallagat's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Corissa Anne McKallagat is an optometrist in Portsmouth, New Hampshire
Corissa McKallagat practices at Northeast Foot and Ankle in Portsmouth, New Hampshire.
Corissa McKallagat's NPI, 1215249651, was assigned on July 13, 2010. Corissa McKallagat graduated from New England College of Optometry in 2010. Corissa McKallagat holds New Hampshire license NH0844.
- NPI
- 1215249651NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537352323
- NPI enumeration date
- July 13, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 431-6070
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Corissa Anne McKallagat practices at Northeast Foot and Ankle in Portsmouth, New Hampshire
Corissa McKallagat's primary practice is Northeast Foot and Ankle, at 14 Manchester Sq, Portsmouth, NH 03801 in Rockingham County. The practice phone is (603) 431-6070.
- Northeast Foot and Ankle14 Manchester Sq, Portsmouth, NH 03801 · Rockingham CountyPhone(603) 431-6070
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Corissa Anne McKallagat is affiliated with 2 sites of care
Corissa McKallagat's primary practice is Northeast Foot and Ankle in Portsmouth, New Hampshire. Dmand AI also links Corissa McKallagat to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Corissa Anne McKallagat's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Corissa McKallagat practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northeast Foot and Ankle | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Corissa Anne McKallagat is one of 211 optometrists in New Hampshire
Optometrist is Corissa McKallagat's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Corissa McKallagat is licensed in New Hampshire.
Specialties and state licenses
- Optometrist, New HampshirePrimary
Optometrists near Corissa McKallagat
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Corissa Anne McKallagat treated 205 Medicare patients in 2024, average age 73
CMS counts 205 Medicare patients who saw Corissa McKallagat in 2024. The largest group is 65 to 74, with 133 patients. 63% of them have high cholesterol, and 51% have high blood pressure. Their average risk score is 0.60, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Corissa McKallagat's median patient age at 68, with 53% women.
Corissa McKallagat's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Corissa McKallagat's Medicare patients by sex, 2024
- Women11757%
- Men8843%
Chronic conditions among Corissa McKallagat's Medicare patients, 2024
- High cholesterol63%
- High blood pressure51%
- Arthritis29%
- Anxiety18%
- Osteoporosis15%
- Mood disorders12%
- Ischemic heart disease11%
- Atrial fibrillation10%
Share of Medicare patients with each condition. A patient can have several.
Corissa McKallagat's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Corissa Anne McKallagat wrote 77 Medicare Part D claims in 2024
In 2024, Corissa McKallagat wrote 77 Medicare Part D claims for 30 patients. 36% of them were for generic drugs.
Corissa McKallagat's Part D claims by kind of drug, 2024
- Generic28 claims36%
- Brand-name49 claims64%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Corissa Anne McKallagat takes part in Medicare
Corissa McKallagat accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Corissa Anne McKallagat received $66 in industry payments in 2025
CMS Open Payments shows 3 general payments to Corissa McKallagat from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $34.
Companies that paid Corissa McKallagat the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Corissa Anne McKallagat graduated from New England College of Optometry
Corissa McKallagat graduated from New England College of Optometry in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Corissa Anne McKallagat's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Corissa Anne McKallagat
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Corissa Anne McKallagat's NPI number?
Corissa Anne McKallagat's NPI number is 1215249651. It was assigned on July 13, 2010, and it is active in the NPI Registry.
What does Corissa Anne McKallagat specialize in?
Corissa Anne McKallagat is an optometrist in Portsmouth, New Hampshire. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Corissa Anne McKallagat practice?
Corissa McKallagat practices at 14 Manchester Sq, Portsmouth, NH 03801. Corissa McKallagat's primary practice is Northeast Foot and Ankle in Portsmouth, New Hampshire. Dmand AI also links Corissa McKallagat to 1 physician office.
What is Corissa Anne McKallagat's office phone number?
The practice phone on file for Corissa McKallagat is (603) 431-6070.
What is Corissa Anne McKallagat's medical license number?
Corissa McKallagat holds New Hampshire license NH0844.
Does Corissa Anne McKallagat accept Medicare?
Yes. CMS lists Corissa McKallagat as accepting Medicare assignment.
How many Medicare patients does Corissa Anne McKallagat see?
CMS counts 205 Medicare patients who saw Corissa McKallagat in 2024, with an average age of 73.
Where did Corissa Anne McKallagat go to medical school?
Corissa McKallagat graduated from New England College of Optometry in 2010.
Has Corissa Anne McKallagat received payments from drug or device companies?
CMS Open Payments shows $66 in general payments to Corissa McKallagat from 2 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Corissa Anne McKallagat been practicing?
Corissa McKallagat graduated from medical school in 2010, 16 years ago.
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