Dr. Stephen Joseph Allegra, MD

  • Cambridge, MA
  • Emergency medicine physician
NPI1710474739PAC ID0749531861
Medicare services, 2024
206
Medicare patients, 2024
214
Part D claims, 2024
144
Publications
3
MIPS score, 2024
91
Practice address
1493 Cambridge Street, Cambridge, MA 02139
Practice phone
Call (617) 665-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

CHA Cambridge Hospital

Hospital · Cambridge, Massachusetts

See all 2 affiliations

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Dr. Stephen Joseph Allegra is an emergency medicine physician in Cambridge, Massachusetts

Dr. Allegra practices at CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.

Dr. Allegra's NPI, 1710474739, was assigned on April 16, 2018. Dr. Allegra graduated from University of Miami, Lm Miller School of Medicine in 2018. Dr. Allegra holds Massachusetts license 291074.

NPI and contact details
Medicare PAC ID
0749531861
NPI enumeration date
April 16, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 665-1000
Professional email
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Personal email
Get email
Mobile number
Get number
Sex
Male
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)

Dr. Stephen Joseph Allegra practices at CHA Cambridge Hospital in Cambridge, Massachusetts

Dr. Allegra's primary practice is CHA Cambridge Hospital, at 1493 Cambridge Street, Cambridge, MA 02139 in Middlesex County. The practice phone is (617) 665-1000.

Source: Dmand AI Affiliation Data

Dr. Stephen Joseph Allegra is affiliated with 1 site of care and 1 medical group

Dr. Allegra's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. The medical group on file is Cambridge Health Alliance. Dr. Allegra's employer is on file too: a hospital.

See all 2 affiliations for Dr. Allegra

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

Dmand AI tracks the EHR system at Dr. Stephen Joseph Allegra's practice

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

EHR by site
SiteEHR vendor and product
CHA Cambridge HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stephen Joseph Allegra is one of 1,483 emergency medicine physicians in Massachusetts

Emergency medicine is Dr. Allegra's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Allegra is licensed in Massachusetts.

Specialties and state licenses

  • Emergency medicine, MassachusettsPrimaryLicense 291074 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Allegra

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. Stephen Joseph Allegra billed Medicare for 206 services in 2024

CMS data shows 206 Medicare services from Dr. Allegra across 4 procedure codes in 2024, for 214 Medicare patients. Medicare paid $25,266 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024206
Medicare patients214
Paid by Medicare$25,266
Procedure codes4

Dr. Allegra's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2472024: 20617%

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

  • Dr. Allegra
  • Massachusetts median
Medicare services
206vs 34140% below
Medicare patients
214vs 33736% below
Part D claims
69vs 3692% above

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

Dr. Allegra'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. Allegra

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

Dr. Stephen Joseph Allegra treated 214 Medicare patients in 2024, average age 71

CMS counts 214 Medicare patients who saw Dr. Allegra in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 64% have high cholesterol. 62% are also on Medicaid. Their average risk score is 1.89, 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. Allegra's median patient age at 41, with 53% women.

Medicare patients, 2024214
Average age71
Average risk score1.89
Also on Medicaid62%

Dr. Allegra's Medicare patients by age, 2024

Dr. Allegra's Medicare patients by sex, 2024

  • Women11755%
  • Men9745%

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

  1. High blood pressure75%
  2. High cholesterol64%
  3. Anxiety52%
  4. Mood disorders51%
  5. Depression43%
  6. Arthritis36%
  7. Ischemic heart disease36%
  8. Diabetes35%

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

Dr. Allegra's patients across all payers

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

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women53%
  • Men46%

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

Dr. Stephen Joseph Allegra wrote 144 Medicare Part D claims in 2024

In 2024, Dr. Allegra wrote 144 Medicare Part D claims for 89 patients. 97% of them were for generic drugs. CMS names the drug for 69 of them, across 4 drugs with 11 or more claims each, at $346 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 2024144
Drugs named by CMS4
Total drug cost$346
Part D patients89

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

  • Generic139 claims97%
  • Brand-name and other5 claims3%

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

  • Antibiotics28%41 of 144 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 112024: 69527%

Drugs named by CMS: 4 in 2024, 1 in 2023.

See all prescribing by Dr. Allegra

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

Dr. Stephen Joseph Allegra scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Allegra for performance year 2024, reported as part of a group. Dr. Allegra accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Allegra's MIPS scores, performance year 2024

  • 91of 100Final score
  • 77.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

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

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Dr. Stephen Joseph Allegra has 3 publications on record

Dmand AI links 3 papers to Dr. Allegra, published from 2023 to 2025. Dr. Allegra's most frequent co-authors are Timothy J. Boardman, MD, Richard J. Church, MD and Andrew N. Dowd, MD.

Papers3
Years published2023 to 2025

Dr. Allegra's most frequent co-authors

Recent publications by Dr. Allegra

See all 3 publications and co-authors

See who Dr. Allegra researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Allegra 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

Dr. Stephen Joseph Allegra graduated from University of Miami, Lm Miller School of Medicine

Dr. Allegra graduated from University of Miami, Lm Miller School of Medicine in 2018.

  1. Medical schoolUniversity of Miami, Lm Miller School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Stephen Joseph Allegra'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Dr. Stephen Joseph Allegra

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. Stephen Joseph Allegra's NPI number?

Dr. Stephen Joseph Allegra's NPI number is 1710474739. It was assigned on April 16, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen Joseph Allegra?

Dr. Stephen Joseph Allegra is an emergency medicine physician in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Stephen Joseph Allegra practice?

Dr. Allegra practices at 1493 Cambridge Street, Cambridge, MA 02139. Dr. Allegra's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.

What is Dr. Stephen Joseph Allegra's office phone number?

The practice phone on file for Dr. Allegra is (617) 665-1000.

What is Dr. Stephen Joseph Allegra's medical license number?

Dr. Allegra holds Massachusetts license 291074.

Which hospitals is Dr. Stephen Joseph Allegra affiliated with?

Dr. Allegra practices at CHA Cambridge Hospital in Cambridge, Massachusetts.

What medical group is Dr. Stephen Joseph Allegra part of?

Dr. Allegra is linked to Cambridge Health Alliance.

Does Dr. Stephen Joseph Allegra accept Medicare?

Yes. CMS data shows Dr. Allegra billed Medicare for 206 services in 2024, and Dr. Allegra accepts Medicare assignment.

What is Dr. Stephen Joseph Allegra's MIPS score?

Dr. Allegra's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

How many Medicare patients does Dr. Stephen Joseph Allegra see?

CMS counts 214 Medicare patients who saw Dr. Allegra in 2024, with an average age of 71.

Show 6 more questionsShow fewer questions

What services does Dr. Stephen Joseph Allegra bill to Medicare?

In 2024, Dr. Allegra's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Dr. Stephen Joseph Allegra go to medical school?

Dr. Allegra graduated from University of Miami, Lm Miller School of Medicine in 2018.

What drugs does Dr. Stephen Joseph Allegra prescribe most?

In 2024 Medicare Part D data, Dr. Allegra's most prescribed drugs by claims were Ibuprofen, Prednisone and Azithromycin.

How long has Dr. Stephen Joseph Allegra been practicing?

Dr. Allegra graduated from medical school in 2018, 8 years ago.

Does Dr. Stephen Joseph Allegra do research?

Dmand AI links 3 publications to Dr. Allegra, published from 2023 to 2025.

Who does Dr. Stephen Joseph Allegra publish with?

Dr. Allegra's most frequent co-authors are Timothy J. Boardman, MD (1 shared paper), Richard J. Church, MD (1 shared paper) and Andrew N. Dowd, MD (1 shared paper).

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