Dr. Ling Ling Cheng, MD
- Medicare services, 2022
- 52
- Part D claims, 2024
- 3,338
- Hospital affiliations
- 1
- Industry payments
- $15
- Medical groups
- 2
- Practice address
- 25825 South Vermont Avenue, Harbor City, CA 90710
- Practice phone
- Call (310) 325-5111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cheng's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ling Ling Cheng is an internist in Harbor City, California
Dr. Cheng practices at Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
Dr. Cheng's NPI, 1306285796, was assigned on June 18, 2013. Dr. Cheng graduated from University Institute of Medicine 1 in 2006. Dr. Cheng holds California license A137517.
- NPI
- 1306285796NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779865399
- NPI enumeration date
- June 18, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ling Ling Cheng practices at Kaiser Permanente South Bay Medical Center in Harbor City, California
Dr. Cheng's primary practice is Kaiser Permanente South Bay Medical Center, at 25825 South Vermont Avenue, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.
- Kaiser Permanente South Bay Medical Center25825 South Vermont Avenue, Harbor City, CA 90710 · Los Angeles CountyPhone(310) 325-5111
Source: Dmand AI Affiliation Data
Dr. Ling Ling Cheng is affiliated with 3 sites of care and 2 medical groups
Dr. Cheng's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Cheng to 1 more group practice or clinic, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ling Ling Cheng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cheng practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South Bay Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ling Ling Cheng is one of 16,751 internists in California
Internal medicine is Dr. Cheng's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cheng is board certified in geriatric medicine by the American Board of Internal Medicine. Dmand AI has Dr. Cheng's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists acid reflux, chronic hypertension, epilepsy, irritable bowel syndrome (IBS) and joint pain among the conditions Dr. Cheng treats.
Internists near Dr. Cheng
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. Ling Ling Cheng billed Medicare for 52 services in 2022
CMS data shows 52 Medicare services from Dr. Cheng across 1 procedure code in 2022. Medicare paid $2,999 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cheng's Medicare services by type, 2018 to 2022
- 2018
- 2022
- Office and hospital visits
- 2018: 172022: 52206%
Dr. Cheng compared with the California median for internists, 2022
- Dr. Cheng
- California median
- Medicare services
- 52vs 36186% below
- Part D claims
- 2,884vs 4216.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Cheng's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cheng and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ling Ling Cheng's patients have a median age of 83
Across all payers, Dmand AI patient panel data puts Dr. Cheng's median patient age at 83, with 64% women.
Dr. Cheng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women64%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Ling Ling Cheng wrote 3,338 Medicare Part D claims in 2024
In 2024, Dr. Cheng wrote 3,338 Medicare Part D claims for 210 patients. 86% of them were for generic drugs. CMS names the drug for 2,884 of them, across 73 drugs with 11 or more claims each, at $133,894 in total drug cost. In 2023, CMS named 1,990 claims across 62 drugs.
Dr. Cheng's Part D claims by kind of drug, 2024
- Generic2,887 claims86%
- Brand-name412 claims12%
- Other39 claims1%
Dr. Cheng'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. Cheng's Part D claims, 2024
- Opioids1%33 of 3,338 claims
- Antibiotics3%104 of 3,338 claims
- Antipsychotics, patients 65 and over2%65 of 3,338 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: 1,9902024: 2,88445%
Drugs named by CMS: 73 in 2024, 62 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. Ling Ling Cheng takes part in Medicare
Dr. Cheng 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. Ling Ling Cheng received $15 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Cheng 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, $15.
Companies that paid Dr. Cheng the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ling Ling Cheng graduated from University Institute of Medicine 1
Dr. Cheng graduated from University Institute of Medicine 1 in 2006.
- Medical school
- Board certified in geriatric medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ling Ling Cheng accepts plans from 1 insurance carrier
Dr. Cheng is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Cheng accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ling Ling Cheng'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 Data |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ling Ling Cheng
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. Ling Ling Cheng's NPI number?
Dr. Ling Ling Cheng's NPI number is 1306285796. It was assigned on June 18, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ling Ling Cheng?
Dr. Ling Ling Cheng is an internist in Harbor City, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ling Ling Cheng practice?
Dr. Cheng practices at 25825 South Vermont Avenue, Harbor City, CA 90710. Dr. Cheng's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. Dmand AI also links Dr. Cheng to 1 group practice or clinic, 1 skilled nursing facility and 1 medical group.
What is Dr. Ling Ling Cheng's office phone number?
The practice phone on file for Dr. Cheng is (310) 325-5111.
What is Dr. Ling Ling Cheng's medical license number?
Dr. Cheng holds California license A137517, one of the licenses on file in 2 states.
Which states has Dr. Ling Ling Cheng been licensed in?
Dmand AI has state licenses on file for Dr. Cheng in California (2015 to 2026) and New York (1992 to 2019).
Which hospitals is Dr. Ling Ling Cheng affiliated with?
Dr. Cheng practices at Kaiser Permanente South Bay Medical Center in Harbor City, California.
What medical group is Dr. Ling Ling Cheng part of?
Dr. Cheng is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Cheng to 1 more medical group.
Does Dr. Ling Ling Cheng accept Medicare?
Yes. CMS data shows Dr. Cheng billed Medicare for 52 services in 2022, and Dr. Cheng accepts Medicare assignment.
Is Dr. Ling Ling Cheng board certified?
Yes. Dr. Cheng is board certified in geriatric medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Ling Ling Cheng bill to Medicare?
In 2022, Dr. Cheng's most billed Medicare services were nursing facility care (99308).
Where did Dr. Ling Ling Cheng go to medical school?
Dr. Cheng graduated from University Institute of Medicine 1 in 2006.
What drugs does Dr. Ling Ling Cheng prescribe most?
In 2024 Medicare Part D data, Dr. Cheng's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Potassium Chloride.
Has Dr. Ling Ling Cheng received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Cheng from 1 company from 2021 to 2021. The largest total came from Abbvie Inc.
How long has Dr. Ling Ling Cheng been practicing?
Dr. Cheng graduated from medical school in 2006, 20 years ago.
What insurance does Dr. Ling Ling Cheng accept?
Dr. Cheng is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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