Dr. Katherine Let Kim Lim-Young, MD
- Medicare services, 2024
- 11
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 7,567
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Lim-Young'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. Katherine Let Kim Lim-Young is an internist in Richmond, California
Dr. Lim-Young practices at Richmond Medical Center in Richmond, California.
Dr. Lim-Young's NPI, 1891873642, was assigned on November 1, 2006. Dr. Lim-Young graduated from UC Davis School of Medicine in 1997. Dr. Lim-Young holds California license A67824.
- NPI
- 1891873642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537344676
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Let Kim Lim-Young practices at Richmond Medical Center in Richmond, California
Dr. Lim-Young's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katherine Let Kim Lim-Young is affiliated with 3 sites of care and 1 medical group
Dr. Lim-Young's primary practice is Richmond Medical Center in Richmond, California. Dr. Lim-Young is also affiliated with San Leandro Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Lim-Young to 1 more hospital, named with a free account.
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 Dr. Katherine Let Kim Lim-Young's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lim-Young practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Let Kim Lim-Young is one of 16,751 internists in California
Internal medicine is Dr. Lim-Young's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lim-Young is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lim-Young is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists cerebrovascular disease, chronic anemia, chronic diabetes, chronic hypertension, chronic kidney disease, mobility impairment and skin cyst among the conditions Dr. Lim-Young treats.
Internists near Dr. Lim-Young
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. Katherine Let Kim Lim-Young billed Medicare for 11 services in 2024
CMS data shows 11 Medicare services from Dr. Lim-Young across 1 procedure code in 2024, all of them office visits, for 17 Medicare patients. Medicare paid $670 for them. Every service was in an office.
Dr. Lim-Young compared with the California median for internists, 2024
- Dr. Lim-Young
- California median
- Medicare services
- 11vs 36197% below
- Medicare patients
- 17vs 15189% below
- Part D claims
- 7,084vs 42116.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Lim-Young'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.
Need commercial claims for Dr. Lim-Young?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lim-Young and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Let Kim Lim-Young treated 17 Medicare patients in 2024, average age 67
CMS counts 17 Medicare patients who saw Dr. Lim-Young in 2024. The largest group is 85 and over, with 0 patients. 65% of them have high blood pressure. Their average risk score is 0.66, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lim-Young's median patient age at 60, with 72% women.
Dr. Lim-Young's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Lim-Young's Medicare patients, 2024
- High blood pressure65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lim-Young's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women72%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Let Kim Lim-Young wrote 7,567 Medicare Part D claims in 2024
In 2024, Dr. Lim-Young wrote 7,567 Medicare Part D claims for 614 patients. 90% of them were for generic drugs. CMS names the drug for 7,084 of them, across 118 drugs with 11 or more claims each, at $352,249 in total drug cost. In 2023, CMS named 6,899 claims across 107 drugs.
Dr. Lim-Young's Part D claims by kind of drug, 2024
- Generic6,810 claims90%
- Brand-name690 claims9%
- Other67 claims1%
Dr. Lim-Young'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-Young's Part D claims, 2024
- Opioids5%358 of 7,567 claims
- Antibiotics3%208 of 7,567 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: 6,8992024: 7,0843%
Drugs named by CMS: 118 in 2024, 107 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
Dr. Katherine Let Kim Lim-Young offers telehealth to Medicare patients
Dr. Lim-Young accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lim-Young as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Katherine Let Kim Lim-Young has 1 award and honors on record
Dmand AI lists 1 award for Dr. Lim-Young, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Lim-Young
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Katherine Let Kim Lim-Young graduated from UC Davis School of Medicine
Dr. Lim-Young graduated from UC Davis School of Medicine in 1997.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Katherine Let Kim Lim-Young accepts plans from 2 insurance carriers
Dr. Lim-Young is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Lim-Young accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Katherine Let Kim Lim-Young'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Katherine Let Kim Lim-Young
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. Katherine Let Kim Lim-Young's NPI number?
Dr. Katherine Let Kim Lim-Young's NPI number is 1891873642. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Let Kim Lim-Young?
Dr. Katherine Let Kim Lim-Young is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Katherine Let Kim Lim-Young practice?
Dr. Lim-Young practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Lim-Young's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Lim-Young to 1 hospital.
What is Dr. Katherine Let Kim Lim-Young's office phone number?
The practice phone on file for Dr. Lim-Young is (510) 307-1555.
What is Dr. Katherine Let Kim Lim-Young's medical license number?
Dr. Lim-Young holds California license A67824.
Which hospitals is Dr. Katherine Let Kim Lim-Young affiliated with?
Dr. Lim-Young is affiliated with San Leandro Medical Center. Dmand AI links Dr. Lim-Young to 1 more hospital.
What medical group is Dr. Katherine Let Kim Lim-Young part of?
Dr. Lim-Young is linked to The Permanente Medical Group, Inc.
Does Dr. Katherine Let Kim Lim-Young accept Medicare?
Yes. CMS data shows Dr. Lim-Young billed Medicare for 11 services in 2024, and Dr. Lim-Young accepts Medicare assignment.
Does Dr. Katherine Let Kim Lim-Young offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lim-Young as offering telehealth services.
How many Medicare patients does Dr. Katherine Let Kim Lim-Young see?
CMS counts 17 Medicare patients who saw Dr. Lim-Young in 2024, with an average age of 67.
Show 6 more questionsShow fewer questions
Is Dr. Katherine Let Kim Lim-Young board certified?
Yes. Dr. Lim-Young is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Katherine Let Kim Lim-Young bill to Medicare?
In 2024, Dr. Lim-Young's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Katherine Let Kim Lim-Young go to medical school?
Dr. Lim-Young graduated from UC Davis School of Medicine in 1997.
What drugs does Dr. Katherine Let Kim Lim-Young prescribe most?
In 2024 Medicare Part D data, Dr. Lim-Young's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
How long has Dr. Katherine Let Kim Lim-Young been practicing?
Dr. Lim-Young graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Katherine Let Kim Lim-Young accept?
Dr. Lim-Young is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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