Larissa M. Costa, PA

  • Somerville, MA
  • Physician assistant
NPI1982121422PAC ID4183980923
Medicare patients, 2024
374
Part D claims, 2024
7,742
Hospital affiliations
3
Medical groups
2
State license
1
Practice address
399 Revolution Dr, Somerville, MA 02145
Practice phone
Call (781) 395-4909
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Mass General Brigham Community Physicians Inc

Somerville, Massachusetts

See all 6 affiliations

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Larissa M. Costa is a physician assistant in Somerville, Massachusetts

Larissa Costa practices at Mass General Brigham Community Physicians Inc in Somerville, Massachusetts.

Larissa Costa's NPI, 1982121422, was assigned on August 25, 2017. Larissa Costa holds Massachusetts license PA6244.

NPI and contact details
Medicare PAC ID
4183980923
NPI enumeration date
August 25, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(781) 395-4909
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Larissa M. Costa practices at Mass General Brigham Community Physicians Inc in Somerville, Massachusetts

Larissa Costa's primary practice is Mass General Brigham Community Physicians Inc, at 399 Revolution Dr, Somerville, MA 02145 in Middlesex County. The practice phone is (781) 395-4909.

  • Mass General Brigham Community Physicians Inc
    399 Revolution Dr, Somerville, MA 02145 · Middlesex CountyPhone(781) 395-4909

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Larissa M. Costa is affiliated with 4 sites of care and 2 medical groups

Larissa Costa's primary practice is Mass General Brigham Community Physicians Inc in Somerville, Massachusetts. Larissa Costa is also affiliated with Brigham and Women's Hospital. The medical group on file is Mass General Brigham Community Physicians Organization. Dmand AI also links Larissa Costa to 2 more hospitals and 1 medical group, each named with a free account.

See all 6 affiliations for Larissa Costa

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Larissa M. Costa's practice

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

EHR by site
SiteEHR vendor and product
Mass General Brigham Community Physicians IncAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Larissa M. Costa is one of 3,922 physician assistants in Massachusetts

Physician assistant is Larissa Costa's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Larissa Costa is licensed in Massachusetts.

Specialties and state licenses

  • Physician assistant, MassachusettsPrimaryLicense PA6244 · taxonomy 363A00000X

Physician assistants near Larissa Costa

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

Larissa M. Costa treated 374 Medicare patients in 2024, average age 77

CMS counts 374 Medicare patients who saw Larissa Costa in 2024. The largest group is 75 to 84, with 168 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Larissa Costa's median patient age at 75, with 56% women.

Medicare patients, 2024374
Average age77
Average risk score1.83
Also on Medicaid18%

Larissa Costa's Medicare patients by age, 2024

Larissa Costa's Medicare patients by sex, 2024

  • Women21457%
  • Men16043%

Chronic conditions among Larissa Costa's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Atrial fibrillation57%
  4. Arthritis56%
  5. Ischemic heart disease46%
  6. Chronic kidney disease42%
  7. Diabetes41%
  8. Heart failure39%

Share of Medicare patients with each condition. A patient can have several.

Larissa Costa's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women56%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Larissa M. Costa wrote 7,742 Medicare Part D claims in 2024

In 2024, Larissa Costa wrote 7,742 Medicare Part D claims for 1,369 patients. 79% of them were for generic drugs.

Part D claims, 20247,742
Part D patients1,369

Larissa Costa's Part D claims by kind of drug, 2024

  • Generic6,151 claims79%
  • Brand-name1,591 claims21%

Drug classes CMS tracks in Larissa Costa's Part D claims, 2024

  • Antibiotics0%24 of 7,742 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

Larissa M. Costa offers telehealth to Medicare patients

Larissa Costa accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Larissa Costa as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Larissa M. Costa'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 DataDmand AI Org Hierarchy Data
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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Larissa M. Costa

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

What is Larissa M. Costa's NPI number?

Larissa M. Costa's NPI number is 1982121422. It was assigned on August 25, 2017, and it is active in the NPI Registry.

What does Larissa M. Costa specialize in?

Larissa M. Costa is a physician assistant in Somerville, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Larissa M. Costa practice?

Larissa Costa practices at 399 Revolution Dr, Somerville, MA 02145. Larissa Costa's primary practice is Mass General Brigham Community Physicians Inc in Somerville, Massachusetts. Dmand AI also links Larissa Costa to 2 hospitals and 1 medical group.

What is Larissa M. Costa's office phone number?

The practice phone on file for Larissa Costa is (781) 395-4909.

What is Larissa M. Costa's medical license number?

Larissa Costa holds Massachusetts license PA6244.

Which hospitals is Larissa M. Costa affiliated with?

Larissa Costa is affiliated with Brigham and Women's Hospital. Dmand AI links Larissa Costa to 2 more hospitals.

What medical group is Larissa M. Costa part of?

Larissa Costa is linked to Mass General Brigham Community Physicians Organization. Dmand AI links Larissa Costa to 1 more medical group.

Does Larissa M. Costa accept Medicare?

Yes. CMS lists Larissa Costa as accepting Medicare assignment.

Does Larissa M. Costa offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Larissa Costa as offering telehealth services.

How many Medicare patients does Larissa M. Costa see?

CMS counts 374 Medicare patients who saw Larissa Costa in 2024, with an average age of 77.

How long has Larissa M. Costa been practicing?

Larissa Costa graduated from medical school in 2017, 9 years ago.

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