Dr. Michael John Lim, MD

  • Los Angeles, CA
  • Orthopedic surgeon
NPI1861787228PAC ID9133377260
Medicare services, 2024
5,965
Medicare patients, 2024
75
Part D claims, 2024
192
Industry payments
$19,218
Affiliated sites
1
Practice address
1245 W Wilshire Blvd, Los Angeles, CA 90017
Practice phone
Call (213) 936-8566
Professional email
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Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Jah Hand Surgery

Los Angeles, California

See all 3 affiliations

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Dr. Michael John Lim is an orthopedic surgeon in Los Angeles, California

Dr. Lim practices at Jah Hand Surgery in Los Angeles, California.

Dr. Lim's NPI, 1861787228, was assigned on June 14, 2011. Dr. Lim graduated from UC San Diego School of Medicine in 2009. Dr. Lim holds California license A117024.

NPI and contact details
Medicare PAC ID
9133377260
NPI enumeration date
June 14, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(213) 936-8566
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

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

Dr. Michael John Lim practices at Jah Hand Surgery in Los Angeles, California

Dr. Lim's primary practice is Jah Hand Surgery, at 1245 W Wilshire Blvd, Los Angeles, CA 90017 in Los Angeles County. The practice phone is (213) 936-8566.

  • Jah Hand Surgery
    1245 W Wilshire Blvd, Los Angeles, CA 90017 · Los Angeles CountyPhone(213) 936-8566

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

Dr. Michael John Lim is affiliated with 2 sites of care and 1 medical group

Dr. Lim's primary practice is Jah Hand Surgery in Los Angeles, California. The medical group on file is JAH Hand Surgery. Dmand AI also links Dr. Lim to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Lim

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

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

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

EHR by site
SiteEHR vendor and product
Jah Hand SurgeryAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael John Lim is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Lim's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Lim is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Lim's licenses on file in 3 states: California, Connecticut and Massachusetts.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense A117024 · 2012 to 2026 · taxonomy 207X00000X
  • Connecticut license2015 to 2019
  • Massachusetts license2018 to 2019

Clinical focus

Dmand AI lists arthritis, hand joint or tendon inflammation, joint pain, knee replacement, lower back pain and rotator cuff injury among the conditions Dr. Lim treats.

Orthopedic surgeons near Dr. Lim

Counts of orthopedic surgeons 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 John Lim billed Medicare for 5,965 services in 2024

CMS data shows 5,965 Medicare services from Dr. Lim across 9 procedure codes in 2024, for 75 Medicare patients. Medicare paid $34,516 for them. Every service was in an office.

Medicare services, 20245,965
Medicare patients75
Paid by Medicare$34,516
Procedure codes9

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

  • 2023
  • 2024
Drugs given in the office
2023: 3272024: 5,4891579%
Office and hospital visits
2023: 1002024: 211111%
Surgery
2023: 882024: 180105%
Imaging
2023: 752024: 8513%

Dr. Lim compared with the California median for orthopedic surgeons, 2024

  • Dr. Lim
  • California median
Medicare services
5,965vs 6838.7 times
Medicare patients
75vs 21565% below
Part D claims
159vs 702.3 times

Medians across 1,844 orthopedic surgeons in California 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

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

Dr. Michael John Lim treated 75 Medicare patients in 2024, average age 69

CMS counts 75 Medicare patients who saw Dr. Lim in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.27, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lim's median patient age at 64, with 67% women.

Medicare patients, 202475
Average age69
Average risk score1.27

Dr. Lim's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Lim's Medicare patients by sex, 2024

  • Women5675%
  • Men1925%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes44%
  5. Ischemic heart disease29%
  6. Mood disorders28%
  7. Depression27%
  8. Anxiety21%

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 64

Patient panel by sex, all payers

  • Women67%
  • Men32%

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

Dr. Michael John Lim wrote 192 Medicare Part D claims in 2024

In 2024, Dr. Lim wrote 192 Medicare Part D claims for 45 patients. 99% of them were for generic drugs. CMS names the drug for 159 of them, across 5 drugs with 11 or more claims each, at $1,514 in total drug cost. In 2023, CMS named 65 claims across 3 drugs.

Part D claims, 2024192
Drugs named by CMS5
Total drug cost$1,514
Part D patients45

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

  • Generic190 claims99%
  • Brand-name and other2 claims1%

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

  • Opioids15%29 of 192 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: 652024: 159145%

Drugs named by CMS: 5 in 2024, 3 in 2023.

See all prescribing by Dr. Lim

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. Michael John Lim takes part in Medicare

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

Accepts Medicare assignment
Yes

Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Michael John Lim received $19,218 in industry payments from 2016 to 2025

CMS Open Payments shows 188 general payments to Dr. Lim from 18 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 51% of the total. Stryker Corporation paid the most, $12,169.

General payments to Dr. Lim by program year, 2016 to 2025

General payments to Dr. Lim by kind, 2016 to 2025

$19.2Kin total
  • Travel and lodging$9,76451%
  • Food and beverage$9,00647%
  • Education$4482%

Companies that paid Dr. Lim the most, 2016 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. Michael John Lim graduated from UC San Diego School of Medicine

Dr. Lim graduated from UC San Diego School of Medicine in 2009.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Michael John Lim accepts plans from 8 insurance carriers

Dr. Lim is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Lim accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO4
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael John 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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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. Michael John 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. Michael John Lim's NPI number?

Dr. Michael John Lim's NPI number is 1861787228. It was assigned on June 14, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael John Lim?

Dr. Michael John Lim is an orthopedic surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Michael John Lim practice?

Dr. Lim practices at 1245 W Wilshire Blvd, Los Angeles, CA 90017. Dr. Lim's primary practice is Jah Hand Surgery in Los Angeles, California. Dmand AI also links Dr. Lim to 1 group practice or clinic.

What is Dr. Michael John Lim's office phone number?

The practice phone on file for Dr. Lim is (213) 936-8566.

What is Dr. Michael John Lim's medical license number?

Dr. Lim holds California license A117024, one of the licenses on file in 3 states.

Which states has Dr. Michael John Lim been licensed in?

Dmand AI has state licenses on file for Dr. Lim in California (2012 to 2026), Connecticut (2015 to 2019) and Massachusetts (2018 to 2019).

What medical group is Dr. Michael John Lim part of?

Dr. Lim is linked to JAH Hand Surgery.

Does Dr. Michael John Lim accept Medicare?

Yes. CMS data shows Dr. Lim billed Medicare for 5,965 services in 2024, and Dr. Lim accepts Medicare assignment.

How many Medicare patients does Dr. Michael John Lim see?

CMS counts 75 Medicare patients who saw Dr. Lim in 2024, with an average age of 69.

Is Dr. Michael John Lim board certified?

Yes. Dr. Lim is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

Show 6 more questionsShow fewer questions

What services does Dr. Michael John Lim bill to Medicare?

In 2024, Dr. Lim's most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J1885) and surgery: bones and joints (20610).

Where did Dr. Michael John Lim go to medical school?

Dr. Lim graduated from UC San Diego School of Medicine in 2009.

What drugs does Dr. Michael John Lim prescribe most?

In 2024 Medicare Part D data, Dr. Lim's most prescribed drugs by claims were Ibuprofen, Cyclobenzaprine HCl and Hydrocodone-Acetaminophen.

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

CMS Open Payments shows $19,218 in general payments to Dr. Lim from 18 companies from 2016 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Michael John Lim been practicing?

Dr. Lim graduated from medical school in 2009, 17 years ago.

What insurance does Dr. Michael John Lim accept?

Dr. Lim is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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