Dr. Karen Lin, MD

  • Philadelphia, PA
  • Internist
NPI1194713099PAC ID8224006507
Medicare services, 2024
309
Medicare patients, 2024
108
Part D claims, 2024
2,169
Publications
9
Clinical trials
1
Practice address
3401-41 N Broad St, Philadelphia, PA 19140
Practice phone
Call (215) 707-5303
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Temple University Hospital - Main Campus

Philadelphia, Pennsylvania

See all 5 affiliations

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Dr. Karen Lin is an internist in Philadelphia, Pennsylvania

Dr. Lin practices at Temple University Hospital - Main Campus in Philadelphia, Pennsylvania.

Dr. Lin's NPI, 1194713099, was assigned on October 13, 2005. Dr. Lin graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2001. Dr. Lin holds Pennsylvania license MD423353.

NPI and contact details
Medicare PAC ID
8224006507
NPI enumeration date
October 13, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(215) 707-5303
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
51
Medical school graduation
2001

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

Dr. Karen Lin practices at Temple University Hospital - Main Campus in Philadelphia, Pennsylvania

Dr. Lin's primary practice is Temple University Hospital - Main Campus, at 3401-41 N Broad St, Philadelphia, PA 19140 in Philadelphia County. The practice phone is (215) 707-5303.

  • Temple University Hospital - Main Campus
    3401-41 N Broad St, Philadelphia, PA 19140 · Philadelphia CountyPhone(215) 707-5303

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Karen Lin is affiliated with 4 sites of care and 1 medical group

Dr. Lin's primary practice is Temple University Hospital - Main Campus in Philadelphia, Pennsylvania. Dr. Lin is also affiliated with Temple University Hospital. The medical group on file is Temple Faculty Physicians. Dmand AI also links Dr. Lin to 1 more group practice or clinic and 1 home health agency, each named with a free account.

See all 5 affiliations for Dr. Lin

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

Dmand AI tracks the EHR system at Dr. Karen Lin's practice

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

EHR by site
SiteEHR vendor and product
Temple University Hospital - Main CampusAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Karen Lin is one of 5,665 internists in Pennsylvania

Internal medicine is Dr. Lin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lin is licensed in Pennsylvania.

Specialties and state licenses

  • Internal medicine, PennsylvaniaPrimaryLicense MD423353 · taxonomy 207R00000X

Internists near Dr. Lin

Counts of internists 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. Karen Lin billed Medicare for 309 services in 2024

CMS data shows 309 Medicare services from Dr. Lin across 9 procedure codes in 2024, for 108 Medicare patients. Medicare paid $20,430 for them. Every service was in an office.

Medicare services, 2024309
Medicare patients108
Paid by Medicare$20,430
Procedure codes9

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

  • 2023
  • 2024
Office and hospital visits
2023: 1892024: 16811%
Other services
2023: 162024: 92475%
Lab and pathology
2023: 02024: 25
Tests and treatments
2023: 282024: 2414%

Dr. Lin compared with the Pennsylvania median for internists, 2024

  • Dr. Lin
  • Pennsylvania median
Medicare services
309vs 41726% below
Medicare patients
108vs 18542% below
Part D claims
1,727vs 2247.7 times

Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Lin'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. Lin

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

Dr. Karen Lin treated 108 Medicare patients in 2024, average age 72

CMS counts 108 Medicare patients who saw Dr. Lin in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.66, 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. Lin's median patient age at 59, with 63% women.

Medicare patients, 2024108
Average age72
Average risk score1.66
Also on Medicaid45%

Dr. Lin's Medicare patients by age, 2024

Dr. Lin's Medicare patients by sex, 2024

  • Women7872%
  • Men3028%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes47%
  4. Arthritis41%
  5. Chronic kidney disease28%
  6. Ischemic heart disease22%
  7. Mood disorders20%
  8. COPD19%

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

Dr. Lin's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women63%
  • Men37%

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

Dr. Karen Lin wrote 2,169 Medicare Part D claims in 2024

In 2024, Dr. Lin wrote 2,169 Medicare Part D claims for 156 patients. 86% of them were for generic drugs. CMS names the drug for 1,727 of them, across 54 drugs with 11 or more claims each, at $160,108 in total drug cost. In 2023, CMS named 1,467 claims across 49 drugs.

Part D claims, 20242,169
Drugs named by CMS54
Total drug cost$160,108
Part D patients156

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

  • Generic1,863 claims86%
  • Brand-name259 claims12%
  • Other47 claims2%

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

  • Opioids4%83 of 2,169 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: 1,4672024: 1,72718%

Drugs named by CMS: 54 in 2024, 49 in 2023.

See all prescribing by Dr. Lin

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. Karen Lin scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Lin for performance year 2024, reported as part of a group. Dr. Lin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lin as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Lin's MIPS scores, performance year 2024

  • 81of 100Final score
  • 49.7of 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

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Dr. Karen Lin has 9 publications on record

Dmand AI links 9 papers to Dr. Lin, published from 2013 to 2025. 2023 was the busiest year, with 2. The most frequent topics are Anxiety, Depression and Stress Disorders, Post-Traumatic. Dr. Lin has published most often in J Psychosoc Nurs Ment Health Serv. Dr. Lin's most frequent co-authors are Ramin Parsey, MD, PhD and Irfan Rahman, MD.

Papers9
Years published2013 to 2025

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

Topics Dr. Lin writes about most

  • Anxiety
  • Depression
  • Stress Disorders, Post-Traumatic
  • Telemedicine

Dr. Lin's most frequent co-authors

Recent publications by Dr. Lin

See all 9 publications and co-authors

See who Dr. Lin researches with

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

How network discovery works

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

Dr. Karen Lin has worked on 1 clinical trial

Dmand AI links Dr. Lin to 1 clinical trial. Conditions studied include Diabetes, Gestational and Pregnancy Complications.

Conditions in Dr. Lin's trials

  • Diabetes, Gestational
  • Pregnancy Complications

Investigators on the most trials with Dr. Lin

Recent clinical trials with Dr. Lin

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Karen Lin received $21 in industry payments in 2021

CMS Open Payments shows 1 general payment to Dr. Lin from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $21.

Companies that paid Dr. Lin the most, 2021 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Lin

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

Dr. Karen Lin graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)

Dr. Lin graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2001.

  1. Medical schoolRutgers R W Johnson Medical School (Cam/New Bruns/Pisc)

Source: Dmand AI Professional Profile Data

Sources for Dr. Karen Lin'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Karen Lin

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. Karen Lin's NPI number?

Dr. Karen Lin's NPI number is 1194713099. It was assigned on October 13, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Karen Lin?

Dr. Karen Lin is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Karen Lin practice?

Dr. Lin practices at 3401-41 N Broad St, Philadelphia, PA 19140. Dr. Lin's primary practice is Temple University Hospital - Main Campus in Philadelphia, Pennsylvania. Dmand AI also links Dr. Lin to 1 group practice or clinic and 1 home health agency.

What is Dr. Karen Lin's office phone number?

The practice phone on file for Dr. Lin is (215) 707-5303.

What is Dr. Karen Lin's medical license number?

Dr. Lin holds Pennsylvania license MD423353.

Which hospitals is Dr. Karen Lin affiliated with?

Dr. Lin is affiliated with Temple University Hospital.

What medical group is Dr. Karen Lin part of?

Dr. Lin is linked to Temple Faculty Physicians.

Does Dr. Karen Lin accept Medicare?

Yes. CMS data shows Dr. Lin billed Medicare for 309 services in 2024, and Dr. Lin accepts Medicare assignment.

Does Dr. Karen Lin offer telehealth?

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

What is Dr. Karen Lin's MIPS score?

Dr. Lin's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Karen Lin see?

CMS counts 108 Medicare patients who saw Dr. Lin in 2024, with an average age of 72.

What services does Dr. Karen Lin bill to Medicare?

In 2024, Dr. Lin's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).

Where did Dr. Karen Lin go to medical school?

Dr. Lin graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2001.

What drugs does Dr. Karen Lin prescribe most?

In 2024 Medicare Part D data, Dr. Lin's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.

Has Dr. Karen Lin received payments from drug or device companies?

CMS Open Payments shows $21 in general payments to Dr. Lin from 1 company from 2021 to 2021. The largest total came from Abbvie Inc.

How long has Dr. Karen Lin been practicing?

Dr. Lin graduated from medical school in 2001, 25 years ago.

Does Dr. Karen Lin do research?

Dmand AI links 9 publications to Dr. Lin, published from 2013 to 2025. Dr. Lin has worked on 1 clinical trial.

Who does Dr. Karen Lin publish with?

Dr. Lin's most frequent co-authors are Ramin Parsey, MD, PhD (3 shared papers) and Irfan Rahman, MD (1 shared paper).

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