Johnny Lim, PA-C

  • Duarte, CA
  • Physician assistant
NPI1598254468PAC ID4688928179
Medicare services, 2024
27
Medicare patients, 2024
74
Part D claims, 2024
100
MIPS score, 2024
93
Industry payments
$980
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

See all 4 affiliations

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Johnny Lim is a physician assistant in Duarte, California

Johnny Lim practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Johnny Lim's NPI, 1598254468, was assigned on May 7, 2018.

NPI and contact details
Medicare PAC ID
4688928179
NPI enumeration date
May 7, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(800) 826-4673
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

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

Johnny Lim practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Johnny Lim's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

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

Johnny Lim is affiliated with 2 sites of care and 2 medical groups

Johnny Lim's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Johnny Lim to 1 more other site and 1 medical group, each named with a free account.

See all 4 affiliations for Johnny Lim

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

Dmand AI tracks the EHR system at Johnny Lim's practice

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

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Johnny Lim is one of 11,482 physician assistants in California

Physician assistant is Johnny Lim's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X
  • Medical physician assistanttaxonomy 363AM0700X
  • Surgical physician assistanttaxonomy 363AS0400X

Physician assistants near Johnny Lim

Counts of physician assistants 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

Johnny Lim billed Medicare for 27 services in 2024

CMS data shows 27 Medicare services from Johnny Lim across 2 procedure codes in 2024, for 74 Medicare patients. Medicare paid $1,095 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202427
Medicare patients74
Paid by Medicare$1,095
Procedure codes2

Johnny Lim's Medicare services by type, 2024

  1. Office and hospital visits15
  2. Surgery12

Johnny Lim compared with the California median for physician assistants, 2024

  • Johnny Lim
  • California median
Medicare services
27vs 20487% below
Medicare patients
74vs 10530% below
Part D claims
56vs 24377% below

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Johnny 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.

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

Johnny Lim treated 74 Medicare patients in 2024, average age 71

CMS counts 74 Medicare patients who saw Johnny Lim in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 59% are also on Medicaid. Their average risk score is 2.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Johnny Lim's median patient age at 66, with 63% women.

Medicare patients, 202474
Average age71
Average risk score2.84
Also on Medicaid59%

Johnny Lim's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Johnny Lim's Medicare patients by sex, 2024

  • Women4459%
  • Men3041%

Chronic conditions among Johnny Lim's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis69%
  4. Diabetes57%
  5. Cancer47%
  6. Chronic kidney disease43%
  7. Depression38%
  8. Mood disorders38%

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

Johnny 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 66

Patient panel by sex, all payers

  • Women63%
  • Men37%

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

Johnny Lim wrote 100 Medicare Part D claims in 2024

In 2024, Johnny Lim wrote 100 Medicare Part D claims for 65 patients. 95% of them were for generic drugs. CMS names the drug for 56 of them, across 4 drugs with 11 or more claims each, at $3,092 in total drug cost.

Part D claims, 2024100
Drugs named by CMS4
Total drug cost$3,092
Part D patients65

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

  • Generic95 claims95%
  • Brand-name and other5 claims5%

Johnny 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 Johnny Lim's Part D claims, 2024

  • Opioids17%17 of 100 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Johnny 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

Johnny Lim scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Johnny Lim for performance year 2024, reported as part of a group. Johnny Lim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Johnny Lim as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Johnny Lim's MIPS scores, performance year 2024

  • 93of 100Final score
  • 78.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 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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Johnny Lim received $980 in industry payments from 2024 to 2025

CMS Open Payments shows 28 general payments to Johnny Lim from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $498.

General payments to Johnny Lim by program year, 2024 to 2025

Companies that paid Johnny Lim the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Johnny Lim

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

Sources for Johnny 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 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 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)
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 Johnny 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 Johnny Lim's NPI number?

Johnny Lim's NPI number is 1598254468. It was assigned on May 7, 2018, and it is active in the NPI Registry.

What does Johnny Lim specialize in?

Johnny Lim is a physician assistant in Duarte, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Johnny Lim practice?

Johnny Lim practices at 1500 Duarte Rd, Duarte, CA 91010. Johnny Lim's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Johnny Lim to 1 other site and 1 medical group.

What is Johnny Lim's office phone number?

The practice phone on file for Johnny Lim is (800) 826-4673.

What medical group is Johnny Lim part of?

Johnny Lim is linked to City of Hope. Dmand AI links Johnny Lim to 1 more medical group.

Does Johnny Lim accept Medicare?

Yes. CMS data shows Johnny Lim billed Medicare for 27 services in 2024, and Johnny Lim accepts Medicare assignment.

Does Johnny Lim offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Johnny Lim as offering telehealth services.

What is Johnny Lim's MIPS score?

Johnny Lim's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Johnny Lim see?

CMS counts 74 Medicare patients who saw Johnny Lim in 2024, with an average age of 71.

What services does Johnny Lim bill to Medicare?

In 2024, Johnny Lim's most billed Medicare services were office visit, established patient (99213) and surgery: bones and joints (20610).

Show 3 more questionsShow fewer questions

What drugs does Johnny Lim prescribe most?

In 2024 Medicare Part D data, Johnny Lim's most prescribed drugs by claims were Ibuprofen, Meloxicam and Naproxen.

Has Johnny Lim received payments from drug or device companies?

CMS Open Payments shows $980 in general payments to Johnny Lim from 9 companies from 2024 to 2025. The largest total came from Stryker Corporation.

How long has Johnny Lim been practicing?

Johnny Lim graduated from medical school in 2018, 8 years ago.

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