Dr. George A. Knaysi, MD

  • Burlington, MA
  • Emergency medicine physician
NPI1609497239PAC ID6002351095
Medicare services, 2024
223
Medicare patients, 2024
228
Part D claims, 2024
70
Publications
3
Hospital affiliations
2
Practice address
41 & 45 Mall Road, Burlington, MA 01803
Practice phone
Call (781) 744-5100
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Lahey Clinic

Hospital · Burlington, Massachusetts

Find Dr. Knaysi'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.

View contacts for free

Dr. George A. Knaysi is an emergency medicine physician in Burlington, Massachusetts

Dr. Knaysi practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

Dr. Knaysi's NPI, 1609497239, was assigned on May 5, 2020. Dr. Knaysi holds Massachusetts license 1019497.

NPI and contact details
Medicare PAC ID
6002351095
NPI enumeration date
May 5, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(781) 744-5100
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
32
Medical school graduation
2020

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

Dr. George A. Knaysi practices at Lahey Clinic in Burlington, Massachusetts

Dr. Knaysi's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.

  • Lahey Clinic
    41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100

Source: Dmand AI Affiliation Data

Dr. George A. Knaysi is affiliated with 2 sites of care and 1 medical group

Dr. Knaysi's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dr. Knaysi is also affiliated with Winchester Hospital. The medical group on file is Lahey Clinic.

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

Dmand AI tracks the EHR system at Dr. George A. Knaysi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knaysi practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lahey ClinicAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Knaysi practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. George A. Knaysi is one of 1,483 emergency medicine physicians in Massachusetts

Emergency medicine is Dr. Knaysi's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Knaysi's licenses on file in 2 states: Massachusetts and New York.

Specialties and state licenses

  • Emergency medicine, MassachusettsPrimaryLicense 1019497 · taxonomy 207P00000X
  • Student in an organized health care education/training program, New Yorktaxonomy 390200000X

Emergency medicine physicians near Dr. Knaysi

Counts of emergency medicine physicians 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

Dr. George A. Knaysi billed Medicare for 223 services in 2024

CMS data shows 223 Medicare services from Dr. Knaysi across 3 procedure codes in 2024, for 228 Medicare patients. Medicare paid $27,492 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024223
Medicare patients228
Paid by Medicare$27,492
Procedure codes3

Dr. Knaysi compared with the Massachusetts median for emergency medicine physicians, 2024

  • Dr. Knaysi
  • Massachusetts median
Medicare services
223vs 34135% below
Medicare patients
228vs 33732% below
Part D claims
11vs 3669% below

Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.

Dr. Knaysi'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 Dr. Knaysi

Need commercial claims for Dr. Knaysi?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Knaysi and other emergency medicine physicians in Massachusetts.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. George A. Knaysi treated 228 Medicare patients in 2024, average age 76

CMS counts 228 Medicare patients who saw Dr. Knaysi in 2024. The largest group is 75 to 84, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Knaysi's median patient age at 70, with 52% women.

Medicare patients, 2024228
Average age76
Average risk score1.69
Also on Medicaid22%

Dr. Knaysi's Medicare patients by age, 2024

Dr. Knaysi's Medicare patients by sex, 2024

  • Women12354%
  • Men10546%

Chronic conditions among Dr. Knaysi's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Chronic kidney disease43%
  5. Ischemic heart disease41%
  6. Anxiety39%
  7. Mood disorders38%
  8. Diabetes37%

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

Dr. Knaysi's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. George A. Knaysi wrote 70 Medicare Part D claims in 2024

In 2024, Dr. Knaysi wrote 70 Medicare Part D claims for 56 patients. 91% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $89 in total drug cost.

Part D claims, 202470
Drugs named by CMS1
Total drug cost$89
Part D patients56

Dr. Knaysi's Part D claims by kind of drug, 2024

  • Generic64 claims91%
  • Brand-name and other6 claims9%

Dr. Knaysi'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 Dr. Knaysi's Part D claims, 2024

  • Antibiotics56%39 of 70 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 Dr. Knaysi

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

How Dr. George A. Knaysi takes part in Medicare

Dr. Knaysi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find emergency medicine physicians like Dr. Knaysi by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. George A. Knaysi has 3 publications on record

Dmand AI links 3 papers to Dr. Knaysi in 2020. The most frequent topics are Allergens, Dermatitis, Atopic and Skin. Dr. Knaysi has published most often in Curr Allergy Asthma Rep. Dr. Knaysi's most frequent co-authors are Julia A. Wisniewski, MD, Jeanie K. Ringelberg, MD and Zachary Phillip Soucy, DO.

Papers3

Topics Dr. Knaysi writes about most

  • Allergens
  • Dermatitis, Atopic
  • Skin

Dr. Knaysi's most frequent co-authors

Recent publications by Dr. Knaysi

See all 3 publications and co-authors

See who Dr. Knaysi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Knaysi works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Sources for Dr. George A. Knaysi'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Dr. George A. Knaysi

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

What is Dr. George A. Knaysi's NPI number?

Dr. George A. Knaysi's NPI number is 1609497239. It was assigned on May 5, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. George A. Knaysi?

Dr. George A. Knaysi is an emergency medicine physician in Burlington, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. George A. Knaysi practice?

Dr. Knaysi practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Knaysi's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

What is Dr. George A. Knaysi's office phone number?

The practice phone on file for Dr. Knaysi is (781) 744-5100.

What is Dr. George A. Knaysi's medical license number?

Dr. Knaysi holds Massachusetts license 1019497, one of the licenses on file in 2 states.

Which states has Dr. George A. Knaysi been licensed in?

Dmand AI has state licenses on file for Dr. Knaysi in Massachusetts and New York.

Which hospitals is Dr. George A. Knaysi affiliated with?

Dr. Knaysi practices at Lahey Clinic in Burlington, Massachusetts. Dr. Knaysi is also affiliated with Winchester Hospital.

What medical group is Dr. George A. Knaysi part of?

Dr. Knaysi is linked to Lahey Clinic.

Does Dr. George A. Knaysi accept Medicare?

Yes. CMS data shows Dr. Knaysi billed Medicare for 223 services in 2024, and Dr. Knaysi accepts Medicare assignment.

How many Medicare patients does Dr. George A. Knaysi see?

CMS counts 228 Medicare patients who saw Dr. Knaysi in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. George A. Knaysi bill to Medicare?

In 2024, Dr. Knaysi's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).

What drugs does Dr. George A. Knaysi prescribe most?

In 2024 Medicare Part D data, Dr. Knaysi's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.

How long has Dr. George A. Knaysi been practicing?

Dr. Knaysi graduated from medical school in 2020, 6 years ago.

Does Dr. George A. Knaysi do research?

Dmand AI links 3 publications to Dr. Knaysi.

Who does Dr. George A. Knaysi publish with?

Dr. Knaysi's most frequent co-authors are Julia A. Wisniewski, MD (2 shared papers), Jeanie K. Ringelberg, MD (1 shared paper) and Zachary Phillip Soucy, DO (1 shared paper).

Selling to emergency medicine practices?

See emergency medicine physicians in Massachusetts by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)