Katherine A. Larkin, PA-C

  • Washington, DC
  • Physician assistant
NPI1568977502
Part D claims, 2024
482
Hospital affiliations
2
Industry payments
$52
Medical group
1
State license
1
Practice address
102 Irving Street NW, Washington, DC 20010
Practice phone
Call (202) 877-1737
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MedStar National Rehabilitation Hospital

Hospital · Washington, District of Columbia

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Katherine A. Larkin is a physician assistant in Washington, District of Columbia

Katherine Larkin practices at MedStar National Rehabilitation Hospital in Washington, District of Columbia, part of MedStar Health.

Katherine Larkin's NPI, 1568977502, was assigned on December 13, 2017.

NPI and contact details
NPI enumeration date
December 13, 2017
NPI status
Active
Practice phone
(202) 877-1737
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Katherine A. Larkin practices at MedStar National Rehabilitation Hospital in Washington, District of Columbia

Katherine Larkin's primary practice is MedStar National Rehabilitation Hospital, at 102 Irving Street NW, Washington, DC 20010 in District Of Columbia County. The practice phone is (202) 877-1737.

Source: Dmand AI Affiliation Data

Katherine A. Larkin is affiliated with 3 sites of care and 1 medical group

Katherine Larkin's primary practice is MedStar National Rehabilitation Hospital in Washington, District of Columbia, part of MedStar Health. Katherine Larkin is also affiliated with MedStar Good Samaritan Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Katherine Larkin to 1 more therapy and rehab clinic, named with a free account.

See all 4 affiliations for Katherine Larkin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Katherine A. Larkin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Larkin practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MedStar National Rehabilitation HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Katherine A. Larkin is one of 380 physician assistants in District of Columbia

Physician assistant is Katherine Larkin's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Katherine Larkin

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

Katherine A. Larkin's patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Katherine Larkin's median patient age at 71, with 46% women.

Katherine Larkin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women46%
  • Men54%

Source: Dmand AI Patient Panel Data

Katherine A. Larkin wrote 482 Medicare Part D claims in 2024

In 2024, Katherine Larkin wrote 482 Medicare Part D claims for 120 patients. 90% of them were for generic drugs.

Part D claims, 2024482
Part D patients120

Katherine Larkin's Part D claims by kind of drug, 2024

  • Generic436 claims90%
  • Brand-name and other46 claims10%

Drug classes CMS tracks in Katherine Larkin's Part D claims, 2024

  • Opioids9%41 of 482 claims
  • Antibiotics2%11 of 482 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Katherine A. Larkin received $52 in industry payments in 2025

CMS Open Payments shows 2 general payments to Katherine Larkin from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $32.

Companies that paid Katherine Larkin the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Katherine Larkin

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

Sources for Katherine A. Larkin'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (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 Katherine A. Larkin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Katherine A. Larkin's NPI number?

Katherine A. Larkin's NPI number is 1568977502. It was assigned on December 13, 2017, and it is active in the NPI Registry.

What does Katherine A. Larkin specialize in?

Katherine A. Larkin is a physician assistant in Washington, District of Columbia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Katherine A. Larkin practice?

Katherine Larkin practices at 102 Irving Street NW, Washington, DC 20010. Katherine Larkin's primary practice is MedStar National Rehabilitation Hospital in Washington, District of Columbia, part of MedStar Health. Dmand AI also links Katherine Larkin to 1 therapy and rehab clinic.

What is Katherine A. Larkin's office phone number?

The practice phone on file for Katherine Larkin is (202) 877-1737.

Which hospitals is Katherine A. Larkin affiliated with?

Katherine Larkin practices at MedStar National Rehabilitation Hospital in Washington, District of Columbia. Katherine Larkin is also affiliated with MedStar Good Samaritan Hospital.

What medical group is Katherine A. Larkin part of?

Katherine Larkin is linked to MedStar Medical Group.

Has Katherine A. Larkin received payments from drug or device companies?

CMS Open Payments shows $52 in general payments to Katherine Larkin from 2 companies from 2025 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.

How long has Katherine A. Larkin been practicing?

Katherine Larkin's NPI was assigned in 2017.

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