Dr. Abraham Lin, MD
- Medicare services, 2024
- 104
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 250
- Hospital affiliations
- 2
- Industry payments
- $136
- Practice address
- 757 Westwood Plaza, Los Angeles, CA 90095
- Practice phone
- Call (310) 825-6301
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lin's professional email, personal email and mobile number
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Dr. Abraham Lin is an internist in Los Angeles, California
Dr. Lin practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.
Dr. Lin's NPI, 1124604202, was assigned on March 20, 2021. Dr. Lin graduated from University of Massachusetts Medical School in 2021. Dr. Lin holds Massachusetts license 1018948.
- NPI
- 1124604202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840697520
- NPI enumeration date
- March 20, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 825-6301
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Abraham Lin practices at Ronald Reagan UCLA Medical Center in Los Angeles, California
Dr. Lin's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.
- Ronald Reagan UCLA Medical Center757 Westwood Plaza, Los Angeles, CA 90095 · Los Angeles CountyPhone(310) 825-6301
Source: Dmand AI Affiliation Data
Dr. Abraham Lin is affiliated with 2 sites of care and 1 medical group
Dr. Lin's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dr. Lin is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Abraham Lin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ronald Reagan UCLA Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Abraham Lin is one of 16,751 internists in California
Internal medicine is Dr. Lin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lin is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
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. Abraham Lin billed Medicare for 104 services in 2024
CMS data shows 104 Medicare services from Dr. Lin across 2 procedure codes in 2024, for 27 Medicare patients. Medicare paid $9,037 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lin's Medicare services by type, 2024
- Office and hospital visits88
- Other services16
Dr. Lin compared with the California median for internists, 2024
- Dr. Lin
- California median
- Medicare services
- 104vs 36171% below
- Medicare patients
- 27vs 15182% below
- Part D claims
- 48vs 42189% below
Medians across 15,815 internists in California 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Abraham Lin treated 27 Medicare patients in 2024, average age 73
CMS counts 27 Medicare patients who saw Dr. Lin in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.21, 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 61, with 50% women.
Dr. Lin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lin's Medicare patients by sex, 2024
- Women1141%
- Men1659%
Chronic conditions among Dr. Lin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes74%
- Mood disorders67%
- Chronic kidney disease63%
- Depression63%
- Heart failure59%
- Atrial fibrillation48%
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 61
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. Abraham Lin wrote 250 Medicare Part D claims in 2024
In 2024, Dr. Lin wrote 250 Medicare Part D claims for 27 patients. 62% of them were for generic drugs. CMS names the drug for 48 of them, across 3 drugs with 11 or more claims each, at $27,196 in total drug cost. In 2023, CMS named 125 claims across 8 drugs.
Dr. Lin's Part D claims by kind of drug, 2024
- Generic155 claims62%
- Brand-name and other95 claims38%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1252024: 4862%
Drugs named by CMS: 3 in 2024, 8 in 2023.
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
How Dr. Abraham Lin takes part in Medicare
Dr. Lin 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. Abraham Lin received $136 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Lin from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Hospital Products Inc. paid the most, $136.
Companies that paid Dr. Lin the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Abraham Lin graduated from University of Massachusetts Medical School
Dr. Lin graduated from University of Massachusetts Medical School in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Abraham Lin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Abraham 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. Abraham Lin's NPI number?
Dr. Abraham Lin's NPI number is 1124604202. It was assigned on March 20, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Abraham Lin?
Dr. Abraham Lin is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Abraham Lin practice?
Dr. Lin practices at 757 Westwood Plaza, Los Angeles, CA 90095. Dr. Lin's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.
What is Dr. Abraham Lin's office phone number?
The practice phone on file for Dr. Lin is (310) 825-6301.
What is Dr. Abraham Lin's medical license number?
Dr. Lin holds Massachusetts license 1018948.
Which hospitals is Dr. Abraham Lin affiliated with?
Dr. Lin practices at Ronald Reagan UCLA Medical Center in Los Angeles, California. Dr. Lin is also affiliated with UCLA Santa Monica Medical Center.
What medical group is Dr. Abraham Lin part of?
Dr. Lin is linked to UCLA Medical Group.
Does Dr. Abraham Lin accept Medicare?
Yes. CMS data shows Dr. Lin billed Medicare for 104 services in 2024, and Dr. Lin accepts Medicare assignment.
How many Medicare patients does Dr. Abraham Lin see?
CMS counts 27 Medicare patients who saw Dr. Lin in 2024, with an average age of 73.
What services does Dr. Abraham Lin bill to Medicare?
In 2024, Dr. Lin's most billed Medicare services were hospital inpatient care (99233) and medicare service (G0316).
Show 4 more questionsShow fewer questions
Where did Dr. Abraham Lin go to medical school?
Dr. Lin graduated from University of Massachusetts Medical School in 2021.
What drugs does Dr. Abraham Lin prescribe most?
In 2024 Medicare Part D data, Dr. Lin's most prescribed drugs by claims were Trulicity, Fluticasone Propionate and Lisinopril.
Has Dr. Abraham Lin received payments from drug or device companies?
CMS Open Payments shows $136 in general payments to Dr. Lin from 1 company from 2025 to 2025. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Dr. Abraham Lin been practicing?
Dr. Lin graduated from medical school in 2021, 5 years ago.
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