Dr. Ruth Lim, MD

  • New Haven, CT
  • Diagnostic radiologist
NPI1609919174PAC ID6204806185
Medicare services, 2024
151
Medicare patients, 2024
175
Publications
20
Hospital affiliations
2
Industry payments
$11,610
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
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Social profiles

Primary practice

Yale New Haven Psychiatric Hospital (York St)

Psychiatric Inpatient Facility · New Haven, Connecticut

See all 4 affiliations

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Dr. Ruth Lim is a diagnostic radiologist in New Haven, Connecticut

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

Dr. Lim's NPI, 1609919174, was assigned on February 15, 2007. Dr. Lim graduated from University of Toronto Faculty of Medicine in 1999. Dr. Lim's Connecticut license number on file is 75882.

NPI and contact details
Medicare PAC ID
6204806185
NPI enumeration date
February 15, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 688-5900
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
53
Medical school graduation
1999

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

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

Dr. Lim'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. Ruth Lim is affiliated with 3 sites of care and 1 medical group

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

See all 4 affiliations for Dr. Lim

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

Dmand AI tracks the EHR system at Dr. Ruth Lim's practice

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

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Dr. Ruth Lim is one of 472 diagnostic radiologists in Connecticut

Diagnostic radiology is Dr. Lim's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Lim is board certified in nuclear medicine by the American Board of Nuclear Medicine. Dmand AI has Dr. Lim's licenses on file in 3 states: Connecticut, New Hampshire and Massachusetts.

Specialties and state licenses

  • Diagnostic radiology, ConnecticutPrimaryLicense 75882 · 2023 to 2025 · taxonomy 2085R0202X
  • New Hampshire license2009 to 2025
  • Massachusetts licenseLicense 220255 · 2004 to 2024

Diagnostic radiologists near Dr. Lim

Counts of diagnostic radiologists 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. Ruth Lim billed Medicare for 151 services in 2024

CMS data shows 151 Medicare services from Dr. Lim across 2 procedure codes in 2024, for 175 Medicare patients. Medicare paid $13,621 for them.

Medicare services, 2024151
Medicare patients175
Paid by Medicare$13,621
Procedure codes2

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

  • 2023
  • 2024
Imaging
2023: 1282024: 15118%
Other services
2023: 122024: 0100%

Where Dr. Lim's Medicare services took place, 2024

  • In an office3322%
  • In a facility11878%

Dr. Lim compared with the Connecticut median for diagnostic radiologists, 2024

  • Dr. Lim
  • Connecticut median
Medicare services
151vs 2,06393% below
Medicare patients
175vs 1,26286% below

Medians across 462 diagnostic radiologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Lim'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. Lim

Need commercial claims for Dr. Lim?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lim and other diagnostic radiologists in Connecticut.

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

Dr. Ruth Lim treated 175 Medicare patients in 2024, average age 74

CMS counts 175 Medicare patients who saw Dr. Lim in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.25, 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. Lim's median patient age at 16, with 53% women.

Medicare patients, 2024175
Average age74
Average risk score2.25
Also on Medicaid16%

Dr. Lim's Medicare patients by age, 2024

Dr. Lim's Medicare patients by sex, 2024

  • Women7945%
  • Men9655%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer55%
  4. Arthritis47%
  5. Ischemic heart disease36%
  6. Diabetes34%
  7. Anxiety31%
  8. Mood disorders26%

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

Dr. Lim's patients across all payers

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

Patient panel by age, all payers

Median age 16

Patient panel by sex, all payers

  • Women53%
  • Men46%

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

How Dr. Ruth Lim takes part in Medicare

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

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Ruth Lim has 20 publications on record

Dmand AI links 20 papers to Dr. Lim, published from 2008 to 2025. 2012 was the busiest year, with 2. The most frequent topics are Tomography, X-Ray Computed, Fluorodeoxyglucose F18 and Positron-Emission Tomography. Dr. Lim has published most often in Pediatr Radiol. Dr. Lim's most frequent co-authors are Michael S. Gee, MD, PhD, Sjirk J. Westra, MD and Aaron Martin Cypess, MD, PhD.

Papers20
Years published2008 to 2025

Dr. Lim's papers by year, 2008 to 2025

Topics Dr. Lim writes about most

  • Tomography, X-Ray Computed
  • Fluorodeoxyglucose F18
  • Positron-Emission Tomography
  • Algorithms
  • Radiopharmaceuticals
  • Deep Learning
  • Adipose Tissue, Brown
  • Artifacts

Dr. Lim's most frequent co-authors

Recent publications by Dr. Lim

See all 20 publications and co-authors

See who Dr. Lim researches with

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

How network discovery works

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

Dr. Ruth Lim received $11,610 in industry payments from 2019 to 2025

CMS Open Payments shows 17 general payments to Dr. Lim from 3 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 77% of the total. BioMarin Pharmaceutical Inc. paid the most, $8,987.

General payments to Dr. Lim by program year, 2019 to 2025

General payments to Dr. Lim by kind, 2019 to 2025

$11.6Kin total
  • Consulting fees$8,98777%
  • Honoraria$2,00017%
  • Travel and lodging$5345%
  • Food and beverage$901%

Companies that paid Dr. Lim the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lim

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

Dr. Ruth Lim graduated from University of Toronto Faculty of Medicine

Dr. Lim graduated from University of Toronto Faculty of Medicine in 1999.

  1. Medical schoolUniversity of Toronto Faculty of Medicine
  2. Board certified in nuclear medicineAmerican Board of Nuclear Medicine
  3. Board certified in diagnostic radiologyAmerican Board of Radiology
  4. Board certified in nuclear radiologyAmerican Board of Radiology
  5. Board certified in pediatric radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Ruth Lim accepts plans from 7 insurance carriers

Dr. Lim is in network with 7 carriers, including Excellus BlueCross BlueShield, Blue Cross Blue Shield of Michigan and Molina. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • Molina
  • Cigna
  • CMS Medicare
  • RI State Medicaid
  • VT State Medicaid

Plan types Dr. Lim accepts, by number of carriers

  1. Medicaid3
  2. Medicare3
  3. PPO3
  4. POS2
  5. EPO1
  6. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ruth Lim'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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
Insurance carriers and plan typesDmand AI Insurance Network 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. Ruth Lim

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. Ruth Lim's NPI number?

Dr. Ruth Lim's NPI number is 1609919174. It was assigned on February 15, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ruth Lim?

Dr. Ruth Lim is a diagnostic radiologist in New Haven, Connecticut. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Ruth Lim practice?

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

What is Dr. Ruth Lim's office phone number?

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

What is Dr. Ruth Lim's medical license number?

Dr. Lim's Connecticut license number on file is 75882, one of the licenses on file in 3 states.

Which states has Dr. Ruth Lim been licensed in?

Dmand AI has state licenses on file for Dr. Lim in Connecticut (2023 to 2025), New Hampshire (2009 to 2025) and Massachusetts (2004 to 2024).

Which hospitals is Dr. Ruth Lim affiliated with?

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

What medical group is Dr. Ruth Lim part of?

Dr. Lim is linked to Yale Health.

Does Dr. Ruth Lim accept Medicare?

Yes. CMS data shows Dr. Lim billed Medicare for 151 services in 2024, and Dr. Lim accepts Medicare assignment.

How many Medicare patients does Dr. Ruth Lim see?

CMS counts 175 Medicare patients who saw Dr. Lim in 2024, with an average age of 74.

Show 8 more questionsShow fewer questions

Is Dr. Ruth Lim board certified?

Yes. Dr. Lim is board certified in nuclear medicine by the American Board of Nuclear Medicine.

What services does Dr. Ruth Lim bill to Medicare?

In 2024, Dr. Lim's most billed Medicare services were nuclear medicine (78815) and nuclear medicine (78816).

Where did Dr. Ruth Lim go to medical school?

Dr. Lim graduated from University of Toronto Faculty of Medicine in 1999.

Has Dr. Ruth Lim received payments from drug or device companies?

CMS Open Payments shows $11,610 in general payments to Dr. Lim from 3 companies from 2019 to 2025. The largest total came from BioMarin Pharmaceutical Inc.

How long has Dr. Ruth Lim been practicing?

Dr. Lim graduated from medical school in 1999, 27 years ago.

Does Dr. Ruth Lim do research?

Dmand AI links 20 publications to Dr. Lim, published from 2008 to 2025.

Who does Dr. Ruth Lim publish with?

Dr. Lim's most frequent co-authors are Michael S. Gee, MD, PhD (3 shared papers), Sjirk J. Westra, MD (3 shared papers) and Aaron Martin Cypess, MD, PhD (2 shared papers).

What insurance does Dr. Ruth Lim accept?

Dr. Lim is in network with 7 carriers, including Excellus BlueCross BlueShield, Blue Cross Blue Shield of Michigan and Molina. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.

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