Mallory Joan Begley, PA-C

  • New York, NY
  • Surgical physician assistant
NPI1457834046PAC ID3274968649
Medicare patients, 2024
124
MIPS score, 2024
93
Hospital affiliations
1
Medical groups
2
State license
1
Practice address
100 East 77th Street, New York, NY 10075
Practice phone
Call (212) 434-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Lenox Hill Hospital

Hospital · New York, New York

See all 3 affiliations

Find Mallory Begley'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

Mallory Joan Begley is a surgical physician assistant in New York, New York

Mallory Begley practices at Lenox Hill Hospital in New York, New York, part of Northwell Health.

Mallory Begley's NPI, 1457834046, was assigned on September 11, 2018. Mallory Begley graduated from Duke University School of Medicine in 2018. Mallory Begley holds New York license 022759.

NPI and contact details
Medicare PAC ID
3274968649
NPI enumeration date
September 11, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(212) 434-2000
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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mallory Joan Begley practices at Lenox Hill Hospital in New York, New York

Mallory Begley's primary practice is Lenox Hill Hospital, at 100 East 77th Street, New York, NY 10075 in New York County. The practice phone is (212) 434-2000.

  • Lenox Hill Hospital
    100 East 77th Street, New York, NY 10075 · New York CountyPhone(212) 434-2000

Source: Dmand AI Affiliation Data

Mallory Joan Begley is affiliated with 1 site of care and 2 medical groups

Mallory Begley's primary practice is Lenox Hill Hospital in New York, New York, part of Northwell Health. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Mallory Begley to 1 more medical group, named with a free account.

See all 3 affiliations for Mallory Begley

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

Dmand AI tracks the EHR system at Mallory Joan Begley's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mallory Begley practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lenox Hill HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Mallory Begley practices

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

Mallory Joan Begley is one of 1,635 surgical physician assistants in New York

Surgical is Mallory Begley's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Mallory Begley is licensed in New York.

Specialties and state licenses

  • Surgical physician assistant, New YorkPrimaryLicense 022759 · taxonomy 363AS0400X

Surgical physician assistants near Mallory Begley

Counts of surgical 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

Mallory Joan Begley treated 124 Medicare patients in 2024, average age 77

CMS counts 124 Medicare patients who saw Mallory Begley in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mallory Begley's median patient age at 68, with 44% women.

Medicare patients, 2024124
Average age77
Average risk score2.37
Also on Medicaid28%

Mallory Begley's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mallory Begley's Medicare patients by sex, 2024

  • Women5040%
  • Men7460%

Chronic conditions among Mallory Begley's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis69%
  4. Ischemic heart disease57%
  5. Diabetes56%
  6. Heart failure51%
  7. Chronic kidney disease48%
  8. Mood disorders45%

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

Mallory Begley's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women44%
  • Men47%

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

Mallory Joan Begley scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Mallory Begley for performance year 2024, reported through an alternative payment model (APM). Mallory Begley accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Mallory Begley's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

Mallory Joan Begley graduated from Duke University School of Medicine

Mallory Begley graduated from Duke University School of Medicine in 2018.

  1. Medical schoolDuke University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Mallory Joan Begley'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 DataMedicare Physician & Other Practitioners - 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Mallory Joan Begley

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

What is Mallory Joan Begley's NPI number?

Mallory Joan Begley's NPI number is 1457834046. It was assigned on September 11, 2018, and it is active in the NPI Registry.

What does Mallory Joan Begley specialize in?

Mallory Joan Begley is a surgical physician assistant in New York, New York. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).

Where does Mallory Joan Begley practice?

Mallory Begley practices at 100 East 77th Street, New York, NY 10075. Mallory Begley's primary practice is Lenox Hill Hospital in New York, New York, part of Northwell Health. Dmand AI also links Mallory Begley to 1 medical group.

What is Mallory Joan Begley's office phone number?

The practice phone on file for Mallory Begley is (212) 434-2000.

What is Mallory Joan Begley's medical license number?

Mallory Begley holds New York license 022759, one of 2 state licenses on file.

Which hospitals is Mallory Joan Begley affiliated with?

Mallory Begley practices at Lenox Hill Hospital in New York, New York.

What medical group is Mallory Joan Begley part of?

Mallory Begley is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Mallory Begley to 1 more medical group.

Does Mallory Joan Begley accept Medicare?

Yes. CMS lists Mallory Begley as accepting Medicare assignment.

What is Mallory Joan Begley's MIPS score?

Mallory Begley's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Mallory Joan Begley see?

CMS counts 124 Medicare patients who saw Mallory Begley in 2024, with an average age of 77.

Where did Mallory Joan Begley go to medical school?

Mallory Begley graduated from Duke University School of Medicine in 2018.

How long has Mallory Joan Begley been practicing?

Mallory Begley graduated from medical school in 2018, 8 years ago.

Selling to surgical practices?

See surgical physician assistants in New York 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)