Dr. Rachel Liu, MD

  • New Haven, CT
  • Emergency medicine physician
NPI1750675484
Medicare services, 2024
239
Medicare patients, 2024
230
Part D claims, 2024
48
Publications
45
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 2 affiliations

Find Dr. Liu'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. Rachel Liu is an emergency medicine physician in New Haven, Connecticut

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

Dr. Liu's NPI, 1750675484, was assigned on May 28, 2011. Dr. Liu holds Connecticut license 049546.

NPI and contact details
NPI enumeration date
May 28, 2011
NPI status
Active
Practice phone
(203) 688-5900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

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

Dr. Liu'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. Rachel Liu is affiliated with 1 site of care and 1 medical group

Dr. Liu's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. The medical group on file is Yale Health.

Yale New Haven Psychiatric Hospital (York St)Psychiatric Inpatient Facility · New Haven, ConnecticutPrimary
Yale HealthPrimary care group, New Haven, CTParent health systemName with a free account
See all 2 affiliations for Dr. Liu

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

Dmand AI tracks the EHR system at Dr. Rachel Liu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices. 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

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Liu 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. Rachel Liu is one of 683 emergency medicine physicians in Connecticut

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

Specialties and state licenses

  • Emergency medicine, ConnecticutPrimaryLicense 049546 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Liu

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. Rachel Liu billed Medicare for 239 services in 2024

CMS data shows 239 Medicare services from Dr. Liu across 4 procedure codes in 2024, for 230 Medicare patients. Medicare paid $30,574 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024239
Medicare patients230
Paid by Medicare$30,574
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2442024: 21711%
Tests and treatments
2023: 482024: 2254%
Imaging
2023: 112024: 0100%

Dr. Liu compared with the Connecticut median for emergency medicine physicians, 2024

  • Dr. Liu
  • Connecticut median
Medicare services
239vs 243Close to median
Medicare patients
230vs 2508% below

Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.

Dr. Liu'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. Liu

Need commercial claims for Dr. Liu?

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

Book a meeting

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

Dr. Rachel Liu treated 230 Medicare patients in 2024, average age 72

CMS counts 230 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.57, 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. Liu's median patient age at 70, with 50% women.

Medicare patients, 2024230
Average age72
Average risk score2.57
Also on Medicaid43%

Dr. Liu's Medicare patients by age, 2024

Dr. Liu's Medicare patients by sex, 2024

  • Women11148%
  • Men11952%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders59%
  4. Depression53%
  5. Arthritis52%
  6. Anxiety50%
  7. Ischemic heart disease44%
  8. Chronic kidney disease37%

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

Dr. Liu'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

  • Women50%
  • Men47%

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

Dr. Rachel Liu wrote 48 Medicare Part D claims in 2024

In 2024, Dr. Liu wrote 48 Medicare Part D claims for 36 patients. 92% of them were for generic drugs.

Part D claims, 202448
Part D patients36

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

  • Generic44 claims92%
  • Brand-name and other4 claims8%

Drug classes CMS tracks in Dr. Liu's Part D claims, 2024

  • Antibiotics40%19 of 48 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

Dr. Rachel Liu 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. Liu for performance year 2024, reported as part of a group.

Dr. Liu'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.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find emergency medicine physicians like Dr. Liu 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. Rachel Liu has 45 publications on record

Dmand AI links 45 papers to Dr. Liu, published from 2015 to 2025. 2020 was the busiest year, with 8. The most frequent topics are Ultrasonography, Point-of-Care Systems and Clinical Competence. Dr. Liu has published most often in Am J Emerg Med. Dr. Liu's most frequent co-authors are Srikar R. Adhikari, MD, John M. Bailitz, MD and Nova L. Panebianco, MD.

Papers45
Years published2015 to 2025

Dr. Liu's papers by year, 2015 to 2025

Topics Dr. Liu writes about most

  • Ultrasonography
  • Point-of-Care Systems
  • Clinical Competence
  • Emergency Medicine
  • Emergency Service, Hospital
  • Lung
  • COVID-19
  • Internship and Residency

Dr. Liu's most frequent co-authors

Recent publications by Dr. Liu

See all 45 publications and co-authors

See who Dr. Liu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Liu 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. Rachel Liu received $14,759 in industry payments from 2017 to 2024

CMS Open Payments shows 21 general payments to Dr. Liu from 8 drug and device companies from 2017 to 2024. Consulting fees make up the largest share, 61% of the total. Philips Electronics North America Corporation paid the most, $10,374. It also lists 1 research payment totaling $9,285 in 2024.

General payments to Dr. Liu by program year, 2017 to 2024

General payments to Dr. Liu by kind, 2017 to 2024

$14.8Kin total
  • Consulting fees$9,00061%
  • Gifts$1,99914%
  • Food and beverage$1,1027%
  • Accredited education speaker fees$1,0857%
  • Other$1,57311%

Companies that paid Dr. Liu the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Liu

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

Sources for Dr. Rachel Liu'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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician 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)
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. Rachel Liu

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. Rachel Liu's NPI number?

Dr. Rachel Liu's NPI number is 1750675484. It was assigned on May 28, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Rachel Liu?

Dr. Rachel Liu is an emergency medicine physician in New Haven, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Rachel Liu practice?

Dr. Liu practices at 20 York Street, New Haven, CT 06510. Dr. Liu's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.

What is Dr. Rachel Liu's office phone number?

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

What is Dr. Rachel Liu's medical license number?

Dr. Liu holds Connecticut license 049546.

What medical group is Dr. Rachel Liu part of?

Dr. Liu is linked to Yale Health.

Does Dr. Rachel Liu accept Medicare?

Yes. CMS data shows Dr. Liu billed Medicare for 239 services in 2024.

What is Dr. Rachel Liu's MIPS score?

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

How many Medicare patients does Dr. Rachel Liu see?

CMS counts 230 Medicare patients who saw Dr. Liu in 2024, with an average age of 72.

What services does Dr. Rachel Liu bill to Medicare?

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

Show 4 more questionsShow fewer questions

Has Dr. Rachel Liu received payments from drug or device companies?

CMS Open Payments shows $14,759 in general payments to Dr. Liu from 8 companies from 2017 to 2024. The largest total came from Philips Electronics North America Corporation.

How long has Dr. Rachel Liu been practicing?

Dr. Liu graduated from medical school in 2007, 19 years ago.

Does Dr. Rachel Liu do research?

Dmand AI links 45 publications to Dr. Liu, published from 2015 to 2025.

Who does Dr. Rachel Liu publish with?

Dr. Liu's most frequent co-authors are Srikar R. Adhikari, MD (5 shared papers), John M. Bailitz, MD (5 shared papers) and Nova L. Panebianco, MD (5 shared papers).

Selling to emergency medicine practices?

See emergency medicine physicians 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)