Gesundheitswesen
Dr. Cecilia Tsang Kaesler, DO
- Medicare services, 2024
- 4,925
- Medicare patients, 2024
- 195
- Part D claims, 2024
- 2,525
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 1113 Foothill Blvd, La Canada, CA 91011-3207
- Practice phone
- Call (818) 790-0357
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cecilia Kaesler, D.O.
Physician office · La Canada, California
Find Dr. Kaesler'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. Cecilia Tsang Kaesler is an internist in La Canada Flintridge, California
Dr. Kaesler practices at Cecilia Kaesler, D.O. in La Canada, California.
Dr. Kaesler's NPI, 1326092891, was assigned on May 20, 2006. Dr. Kaesler graduated from WesternU College of Osteopathic Medicine of the Pacific in 1991. Dr. Kaesler holds California license 20A6257.
- NPI
- 1326092891NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244381044
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (818) 790-0357
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cecilia Tsang Kaesler practices at Cecilia Kaesler, D.O. in La Canada, California
Dr. Kaesler's primary practice is Cecilia Kaesler, D.O., at 1113 Foothill Blvd, La Canada, CA 91011-3207. The practice phone is (818) 790-0357.
- Cecilia Kaesler, D.O.1113 Foothill Blvd, La Canada, CA 91011-3207Phone(818) 790-0357
Source: Dmand AI Affiliation Data
Dr. Cecilia Tsang Kaesler is affiliated with 5 sites of care and 1 medical group
Dr. Kaesler's primary practice is Cecilia Kaesler, D.O. in La Canada, California. Dr. Kaesler is also affiliated with USC Verdugo Hills Hospital. The medical group on file is Paragon Physical Therapy & Rehab. Dmand AI also links Dr. Kaesler to 1 more hospital, 1 home health agency and 1 therapy and rehab clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Cecilia Tsang Kaesler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaesler practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cecilia Kaesler, D.O. | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cecilia Tsang Kaesler is one of 16,751 internists in California
Internal medicine is Dr. Kaesler's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kaesler is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kaesler is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute sinusitis, acute skin infection, alzheimer's disease, asthma, atrial fibrillation and flutter and bronchitis among the conditions Dr. Kaesler treats.
Internists near Dr. Kaesler
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. Cecilia Tsang Kaesler billed Medicare for 4,925 services in 2024
CMS data shows 4,925 Medicare services from Dr. Kaesler across 20 procedure codes in 2024, for 195 Medicare patients. Medicare paid $199,591 for them. Every service was in an office.
Dr. Kaesler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 3,7652024: 2,93522%
- Office and hospital visits
- 2023: 1,0432024: 1,0301%
- Tests and treatments
- 2023: 4372024: 4233%
- Other services
- 2023: 3682024: 3456%
- Lab and pathology
- 2023: 872024: 13353%
- Surgery
- 2023: 552024: 597%
Dr. Kaesler compared with the California median for internists, 2024
- Dr. Kaesler
- California median
- Medicare services
- 4,925vs 36113.6 times
- Medicare patients
- 195vs 15129% above
- Part D claims
- 2,069vs 4214.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Kaesler'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kaesler and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cecilia Tsang Kaesler treated 195 Medicare patients in 2024, average age 76
CMS counts 195 Medicare patients who saw Dr. Kaesler in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kaesler's median patient age at 68, with 71% women.
Dr. Kaesler's Medicare patients by age, 2024
Dr. Kaesler's Medicare patients by sex, 2024
- Women14273%
- Men5327%
Chronic conditions among Dr. Kaesler's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Ischemic heart disease48%
- Arthritis43%
- Diabetes32%
- Osteoporosis31%
- Depression28%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kaesler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cecilia Tsang Kaesler wrote 2,525 Medicare Part D claims in 2024
In 2024, Dr. Kaesler wrote 2,525 Medicare Part D claims for 170 patients. 79% of them were for generic drugs. CMS names the drug for 2,069 of them, across 65 drugs with 11 or more claims each, at $250,500 in total drug cost. In 2023, CMS named 2,045 claims across 63 drugs.
Dr. Kaesler's Part D claims by kind of drug, 2024
- Generic1,999 claims79%
- Brand-name and other526 claims21%
Dr. Kaesler'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. Kaesler's Part D claims, 2024
- Antibiotics6%154 of 2,525 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: 2,0452024: 2,0691%
Drugs named by CMS: 65 in 2024, 63 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. Cecilia Tsang Kaesler ranks in the 66th percentile for removal of skin lesions in Medicare
Dr. Kaesler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kaesler as offering telehealth. CMS counts 23 procedures of removal of skin lesions by Dr. Kaesler, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Kaesler ranks in Medicare procedure volume
- Removal of skin lesions
- 66th percentile23 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 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. Cecilia Tsang Kaesler has 2 publications on record
Dmand AI links 2 papers to Dr. Kaesler. The most frequent topics are Germany, Polychlorinated Biphenyls and Teaching. Dr. Kaesler has published most often in Gesundheitswesen.
Topics Dr. Kaesler writes about most
- Germany
- Polychlorinated Biphenyls
- Teaching
Recent publications by Dr. Kaesler
Gesundheitswesen
See who Dr. Kaesler researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kaesler works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Cecilia Tsang Kaesler received $8,200 in industry payments from 2016 to 2025
CMS Open Payments shows 351 general payments to Dr. Kaesler from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $1,960.
General payments to Dr. Kaesler by program year, 2016 to 2025
General payments to Dr. Kaesler by kind, 2016 to 2025
- Food and beverage$8,195100%
- Travel and lodging$50%
Companies that paid Dr. Kaesler the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cecilia Tsang Kaesler graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Kaesler graduated from WesternU College of Osteopathic Medicine of the Pacific in 1991.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Cecilia Tsang Kaesler accepts plans from 1 insurance carrier
Dr. Kaesler is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Cecilia Tsang Kaesler'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Cecilia Tsang Kaesler
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. Cecilia Tsang Kaesler's NPI number?
Dr. Cecilia Tsang Kaesler's NPI number is 1326092891. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Cecilia Tsang Kaesler?
Dr. Cecilia Tsang Kaesler is an internist in La Canada Flintridge, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Cecilia Tsang Kaesler practice?
Dr. Kaesler practices at 1113 Foothill Blvd, La Canada, CA 91011-3207. Dr. Kaesler's primary practice is Cecilia Kaesler, D.O. in La Canada, California. Dmand AI also links Dr. Kaesler to 1 hospital, 1 home health agency and 1 therapy and rehab clinic.
What is Dr. Cecilia Tsang Kaesler's office phone number?
The practice phone on file for Dr. Kaesler is (818) 790-0357.
What is Dr. Cecilia Tsang Kaesler's medical license number?
Dr. Kaesler holds California license 20A6257.
Which hospitals is Dr. Cecilia Tsang Kaesler affiliated with?
Dr. Kaesler is affiliated with USC Verdugo Hills Hospital. Dmand AI links Dr. Kaesler to 1 more hospital.
What medical group is Dr. Cecilia Tsang Kaesler part of?
Dr. Kaesler is linked to Paragon Physical Therapy & Rehab.
Does Dr. Cecilia Tsang Kaesler accept Medicare?
Yes. CMS data shows Dr. Kaesler billed Medicare for 4,925 services in 2024, and Dr. Kaesler accepts Medicare assignment.
Does Dr. Cecilia Tsang Kaesler offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kaesler as offering telehealth services.
How many Medicare patients does Dr. Cecilia Tsang Kaesler see?
CMS counts 195 Medicare patients who saw Dr. Kaesler in 2024, with an average age of 76.
Show 8 more questionsShow fewer questions
Is Dr. Cecilia Tsang Kaesler board certified?
Yes. Dr. Kaesler is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Cecilia Tsang Kaesler bill to Medicare?
In 2024, Dr. Kaesler's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and infusion or chemotherapy administration (96372).
Where did Dr. Cecilia Tsang Kaesler go to medical school?
Dr. Kaesler graduated from WesternU College of Osteopathic Medicine of the Pacific in 1991.
What drugs does Dr. Cecilia Tsang Kaesler prescribe most?
In 2024 Medicare Part D data, Dr. Kaesler's most prescribed drugs by claims were Rosuvastatin Calcium, Synthroid and Irbesartan.
Has Dr. Cecilia Tsang Kaesler received payments from drug or device companies?
CMS Open Payments shows $8,200 in general payments to Dr. Kaesler from 31 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Cecilia Tsang Kaesler been practicing?
Dr. Kaesler graduated from medical school in 1991, 35 years ago.
Does Dr. Cecilia Tsang Kaesler do research?
Dmand AI links 2 publications to Dr. Kaesler.
What insurance does Dr. Cecilia Tsang Kaesler accept?
Dr. Kaesler is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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