Mary Katherine Morrison
- Medicare services, 2024
- 1,042
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 847
- Hospital affiliations
- 2
- Industry payments
- $340
- Practice address
- 1 Long Wharf Dr, New Haven, CT 06511
- Practice phone
- Call (203) 777-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou
New Haven, Connecticut
Find Mary Morrison's professional email, personal email and mobile number
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Mary Katherine Morrison is a physician assistant in New Haven, Connecticut
Mary Morrison practices at Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou in New Haven, Connecticut.
Mary Morrison's NPI, 1386263010, was assigned on April 13, 2020. Mary Morrison holds Connecticut license 5178.
- NPI
- 1386263010NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557770328
- NPI enumeration date
- April 13, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 777-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Katherine Morrison practices at Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou in New Haven, Connecticut
Mary Morrison's primary practice is Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou, at 1 Long Wharf Dr, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 777-7500.
- Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou1 Long Wharf Dr, New Haven, CT 06511 · South Central Ct CountyPhone(203) 777-7500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mary Katherine Morrison is affiliated with 5 sites of care and 2 medical groups
Mary Morrison's primary practice is Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou in New Haven, Connecticut. Mary Morrison is also affiliated with Yale New Haven Hospital. The medical group on file is Middlesex Health. Dmand AI also links Mary Morrison to 1 more hospital, 2 group practices and clinics and 1 medical group, each 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 Mary Katherine Morrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Morrison practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Katherine Morrison is one of 1,682 physician assistants in Connecticut
Physician assistant is Mary Morrison's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Morrison is licensed in Connecticut.
Specialties and state licenses
- Physician assistant, ConnecticutPrimary
Clinical focus
Dmand AI lists acute sinusitis, chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, ear infection, intellectual and developmental disabilities, larynx and vocal cord disease and minor head injury among the conditions Mary Morrison treats.
Physician assistants near Mary Morrison
Counts of physician assistants 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
Mary Katherine Morrison billed Medicare for 1,042 services in 2024
CMS data shows 1,042 Medicare services from Mary Morrison across 12 procedure codes in 2024, for 312 Medicare patients. Medicare paid $51,808 for them. Every service was in an office.
Mary Morrison's Medicare services by type, 2024
- Office and hospital visits518
- Surgery279
- Tests and treatments245
Mary Morrison compared with the Connecticut median for physician assistants, 2024
- Mary Morrison
- Connecticut median
- Medicare services
- 1,042vs 2863.6 times
- Medicare patients
- 312vs 1003.1 times
- Part D claims
- 749vs 2932.6 times
Medians across 1,046 physician assistants in Connecticut with Dmand AI profiles that report each measure.
Mary Morrison's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mary Katherine Morrison treated 312 Medicare patients in 2024, average age 76
CMS counts 312 Medicare patients who saw Mary Morrison in 2024. The largest group is 75 to 84, with 108 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mary Morrison's median patient age at 69, with 54% women.
Mary Morrison's Medicare patients by age, 2024
Mary Morrison's Medicare patients by sex, 2024
- Women17255%
- Men14045%
Chronic conditions among Mary Morrison's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis47%
- Anxiety29%
- Ischemic heart disease29%
- Diabetes27%
- Chronic kidney disease26%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Mary Morrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Katherine Morrison wrote 847 Medicare Part D claims in 2024
In 2024, Mary Morrison wrote 847 Medicare Part D claims for 362 patients. 97% of them were for generic drugs. CMS names the drug for 749 of them, across 20 drugs with 11 or more claims each, at $11,939 in total drug cost.
Mary Morrison's Part D claims by kind of drug, 2024
- Generic821 claims97%
- Brand-name26 claims3%
Mary Morrison's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Mary Morrison's Part D claims, 2024
- Antibiotics11%93 of 847 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary Katherine Morrison offers telehealth to Medicare patients
Mary Morrison accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mary Morrison as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Mary Katherine Morrison received $340 in industry payments in 2025
CMS Open Payments shows 17 general payments to Mary Morrison from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $179.
Companies that paid Mary Morrison the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mary Katherine Morrison'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| 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 Mary Katherine Morrison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Katherine Morrison's NPI number?
Mary Katherine Morrison's NPI number is 1386263010. It was assigned on April 13, 2020, and it is active in the NPI Registry.
What does Mary Katherine Morrison specialize in?
Mary Katherine Morrison is a physician assistant in New Haven, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mary Katherine Morrison practice?
Mary Morrison practices at 1 Long Wharf Dr, New Haven, CT 06511. Mary Morrison's primary practice is Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou in New Haven, Connecticut. Dmand AI also links Mary Morrison to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Mary Katherine Morrison's office phone number?
The practice phone on file for Mary Morrison is (203) 777-7500.
What is Mary Katherine Morrison's medical license number?
Mary Morrison holds Connecticut license 5178.
Which hospitals is Mary Katherine Morrison affiliated with?
Mary Morrison is affiliated with Yale New Haven Hospital. Dmand AI links Mary Morrison to 1 more hospital.
What medical group is Mary Katherine Morrison part of?
Mary Morrison is linked to Middlesex Health. Dmand AI links Mary Morrison to 1 more medical group.
Does Mary Katherine Morrison accept Medicare?
Yes. CMS data shows Mary Morrison billed Medicare for 1,042 services in 2024, and Mary Morrison accepts Medicare assignment.
Does Mary Katherine Morrison offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mary Morrison as offering telehealth services.
How many Medicare patients does Mary Katherine Morrison see?
CMS counts 312 Medicare patients who saw Mary Morrison in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Mary Katherine Morrison bill to Medicare?
In 2024, Mary Morrison's most billed Medicare services were office visit, established patient (99213), surgery: ear (69210) and ear, nose and throat service (92567).
What drugs does Mary Katherine Morrison prescribe most?
In 2024 Medicare Part D data, Mary Morrison's most prescribed drugs by claims were Fluticasone Propionate, Prednisone and Azelastine HCl.
Has Mary Katherine Morrison received payments from drug or device companies?
CMS Open Payments shows $340 in general payments to Mary Morrison from 6 companies from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Mary Katherine Morrison been practicing?
Mary Morrison graduated from medical school in 2018, 8 years ago.
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