Mary Katherine Morrison

  • New Haven, CT
  • Physician assistant
NPI1386263010PAC ID1557770328
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Southern New England Ear, Nose, Throat and Facial Plastic Surgery Grou

New Haven, Connecticut

See all 7 affiliations

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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 and contact details
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 Grou
    1 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.

See all 7 affiliations for Mary Morrison

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.

EHR by site
SiteEHR vendor and product
Southern New England Ear, Nose, Throat and Facial Plastic Surgery GrouAvailable with a free account
+4 more sites and 1 medical groupAvailable 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, ConnecticutPrimaryLicense 5178 · taxonomy 363A00000X

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.

Medicare services, 20241,042
Medicare patients312
Paid by Medicare$51,808
Procedure codes12

Mary Morrison's Medicare services by type, 2024

  1. Office and hospital visits518
  2. Surgery279
  3. 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.

See all procedures by Mary Morrison

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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.

Medicare patients, 2024312
Average age76
Average risk score1.33
Also on Medicaid21%

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

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis47%
  4. Anxiety29%
  5. Ischemic heart disease29%
  6. Diabetes27%
  7. Chronic kidney disease26%
  8. 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.

Part D claims, 2024847
Drugs named by CMS20
Total drug cost$11,939
Part D patients362

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.

See all prescribing by Mary Morrison

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.

See all payments to Mary Morrison

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Mary Katherine Morrison's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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