Dr. Michael Chiorazzi, MD, PhD

  • New Haven, CT
  • Medical oncologist
NPI1972878122PAC ID9830489061
Medicare services, 2024
109
Medicare patients, 2024
38
Part D claims, 2024
69
Publications
8
MIPS score, 2024
87
Practice address
20 York Street, New Haven, CT 06510
Practice phone
Call (203) 688-5900
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Yale New Haven Psychiatric Hospital (York St)

Psychiatric Inpatient Facility · New Haven, Connecticut

See all 4 affiliations

Find Dr. Chiorazzi'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. Michael Chiorazzi is a medical oncologist in New Haven, Connecticut

Dr. Chiorazzi practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.

Dr. Chiorazzi's NPI, 1972878122, was assigned on March 20, 2012. Dr. Chiorazzi graduated from Weill Cornell Medicine in 2012. Dr. Chiorazzi holds Connecticut license 61527.

NPI and contact details
Medicare PAC ID
9830489061
NPI enumeration date
March 20, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(203) 688-5900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Michael Chiorazzi practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut

Dr. Chiorazzi's primary practice is Yale New Haven Psychiatric Hospital (York St), at 20 York Street, New Haven, CT 06510. The practice phone is (203) 688-5900.

  • Yale New Haven Psychiatric Hospital (York St)
    20 York Street, New Haven, CT 06510Phone(203) 688-5900

Source: Dmand AI Affiliation Data

Dr. Michael Chiorazzi is affiliated with 3 sites of care and 1 medical group

Dr. Chiorazzi's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dr. Chiorazzi is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Chiorazzi to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Chiorazzi

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

Dmand AI tracks the EHR system at Dr. Michael Chiorazzi's practice

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

EHR by site
SiteEHR vendor and product
Yale New Haven Psychiatric Hospital (York St)Available with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Chiorazzi practices

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

Dr. Michael Chiorazzi is one of 80 medical oncologists in Connecticut

Medical oncology is Dr. Chiorazzi's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Chiorazzi is licensed in Connecticut.

Specialties and state licenses

  • Medical oncology, ConnecticutPrimaryLicense 61527 · taxonomy 207RX0202X

Medical oncologists near Dr. Chiorazzi

Counts of medical oncologists 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. Michael Chiorazzi billed Medicare for 109 services in 2024

CMS data shows 109 Medicare services from Dr. Chiorazzi across 1 procedure code in 2024, all of them office visits, for 38 Medicare patients. Medicare paid $12,321 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024109
Medicare patients38
Paid by Medicare$12,321
Procedure codes1

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

  • 2023
  • 2024
Office and hospital visits
2023: 752024: 10945%

Dr. Chiorazzi compared with the Connecticut median for medical oncologists, 2024

  • Dr. Chiorazzi
  • Connecticut median
Medicare services
109vs 25257% below
Medicare patients
38vs 9660% below
Part D claims
11vs 19694% below

Medians across 76 medical oncologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Chiorazzi'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. Chiorazzi

Need commercial claims for Dr. Chiorazzi?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiorazzi and other medical oncologists in Connecticut.

Book a meeting

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

Dr. Michael Chiorazzi treated 38 Medicare patients in 2024, average age 72

CMS counts 38 Medicare patients who saw Dr. Chiorazzi in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.74, 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. Chiorazzi's median patient age at 72, with 30% women.

Medicare patients, 202438
Average age72
Average risk score2.74
Also on Medicaid34%

Dr. Chiorazzi's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chiorazzi's Medicare patients by sex, 2024

  • Women1437%
  • Men2463%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. COPD47%
  4. Cancer47%
  5. Mood disorders47%
  6. Anxiety45%
  7. Ischemic heart disease45%
  8. Tobacco use45%

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

Dr. Chiorazzi's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women30%
  • Men69%

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

Dr. Michael Chiorazzi wrote 69 Medicare Part D claims in 2024

In 2024, Dr. Chiorazzi wrote 69 Medicare Part D claims for 20 patients. 94% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $169 in total drug cost. In 2018, CMS named 13 claims across 1 drug.

Part D claims, 202469
Drugs named by CMS1
Total drug cost$169
Part D patients20

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

  • Generic65 claims94%
  • Brand-name and other4 claims6%

Dr. Chiorazzi'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.

Part D claims for drugs CMS names, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 132024: 1115%

Drugs named by CMS: 1 in 2024, 1 in 2018.

See all prescribing by Dr. Chiorazzi

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. Michael Chiorazzi scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Chiorazzi for performance year 2024, reported as part of a group. Dr. Chiorazzi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chiorazzi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Chiorazzi's MIPS scores, performance year 2024

  • 87of 100Final score
  • 77.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 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

For MedTech and pharma teams

Find medical oncologists like Dr. Chiorazzi 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. Michael Chiorazzi has 8 publications on record

Dmand AI links 8 papers to Dr. Chiorazzi, published from 2013 to 2025. 2022 was the busiest year, with 2. The most frequent topics are Disease Models, Animal and Tumor Microenvironment. Dr. Chiorazzi's most frequent co-authors are Aarti K. Bhatia, MBBS, Justin D. Blasberg, MD and Barbara A. Burtness, MD.

Papers8
Years published2013 to 2025

Dr. Chiorazzi's papers by year, 2013 to 2025

Topics Dr. Chiorazzi writes about most

  • Disease Models, Animal
  • Tumor Microenvironment

Dr. Chiorazzi's most frequent co-authors

Recent publications by Dr. Chiorazzi

See all 8 publications and co-authors

See who Dr. Chiorazzi researches with

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

How network discovery works

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

Dr. Michael Chiorazzi received $100 in industry payments in 2018

CMS Open Payments shows 1 general payment to Dr. Chiorazzi from 1 drug or device company in 2018. Education make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $100.

Companies that paid Dr. Chiorazzi the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Chiorazzi

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

Dr. Michael Chiorazzi graduated from Weill Cornell Medicine

Dr. Chiorazzi graduated from Weill Cornell Medicine in 2012.

  1. Medical schoolWeill Cornell Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael Chiorazzi'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
Industry paymentsOpen Payments (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 Dr. Michael Chiorazzi

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. Michael Chiorazzi's NPI number?

Dr. Michael Chiorazzi's NPI number is 1972878122. It was assigned on March 20, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Chiorazzi?

Dr. Michael Chiorazzi is a medical oncologist in New Haven, Connecticut. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Michael Chiorazzi practice?

Dr. Chiorazzi practices at 20 York Street, New Haven, CT 06510. Dr. Chiorazzi's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Dr. Chiorazzi to 1 hospital.

What is Dr. Michael Chiorazzi's office phone number?

The practice phone on file for Dr. Chiorazzi is (203) 688-5900.

What is Dr. Michael Chiorazzi's medical license number?

Dr. Chiorazzi holds Connecticut license 61527.

Which hospitals is Dr. Michael Chiorazzi affiliated with?

Dr. Chiorazzi is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Chiorazzi to 1 more hospital.

What medical group is Dr. Michael Chiorazzi part of?

Dr. Chiorazzi is linked to Yale Health.

Does Dr. Michael Chiorazzi accept Medicare?

Yes. CMS data shows Dr. Chiorazzi billed Medicare for 109 services in 2024, and Dr. Chiorazzi accepts Medicare assignment.

Does Dr. Michael Chiorazzi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chiorazzi as offering telehealth services.

What is Dr. Michael Chiorazzi's MIPS score?

Dr. Chiorazzi's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Michael Chiorazzi see?

CMS counts 38 Medicare patients who saw Dr. Chiorazzi in 2024, with an average age of 72.

What services does Dr. Michael Chiorazzi bill to Medicare?

In 2024, Dr. Chiorazzi's most billed Medicare services were office visit, established patient (99215).

Where did Dr. Michael Chiorazzi go to medical school?

Dr. Chiorazzi graduated from Weill Cornell Medicine in 2012.

What drugs does Dr. Michael Chiorazzi prescribe most?

In 2024 Medicare Part D data, Dr. Chiorazzi's most prescribed drugs by claims were Gabapentin.

Has Dr. Michael Chiorazzi received payments from drug or device companies?

CMS Open Payments shows $100 in general payments to Dr. Chiorazzi from 1 company from 2018 to 2018. The largest total came from Astellas Pharma US Inc.

How long has Dr. Michael Chiorazzi been practicing?

Dr. Chiorazzi graduated from medical school in 2012, 14 years ago.

Does Dr. Michael Chiorazzi do research?

Dmand AI links 8 publications to Dr. Chiorazzi, published from 2013 to 2025.

Who does Dr. Michael Chiorazzi publish with?

Dr. Chiorazzi's most frequent co-authors are Aarti K. Bhatia, MBBS (1 shared paper), Justin D. Blasberg, MD (1 shared paper) and Barbara A. Burtness, MD (1 shared paper).

Selling to medical oncology practices?

See medical oncologists in Connecticut 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)