Dr. Chi N. Rosenberg, MD
- Part D claims, 2024
- 1,599
- Hospital affiliations
- 1
- Industry payments
- $142
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 5601 De Soto Avenue, Woodland Hills, CA 91367
- Practice phone
- Call (818) 719-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Rosenberg'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. Chi N. Rosenberg is a dermatologist in Woodland Hills, California
Dr. Rosenberg practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente.
Dr. Rosenberg's NPI, 1154479038, was assigned on January 8, 2007. Dr. Rosenberg graduated from Harvard Medical School in 1994. Dr. Rosenberg holds California license G85303.
- NPI
- 1154479038NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294774550
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 719-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chi N. Rosenberg practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California
Dr. Rosenberg's primary practice is Kaiser Permanente Woodland Hills Medical Center, at 5601 De Soto Avenue, Woodland Hills, CA 91367 in Los Angeles County. The practice phone is (818) 719-3800.
- Kaiser Permanente Woodland Hills Medical Center5601 De Soto Avenue, Woodland Hills, CA 91367 · Los Angeles CountyPhone(818) 719-3800
Source: Dmand AI Affiliation Data
Dr. Chi N. Rosenberg is affiliated with 2 sites of care and 1 medical group
Dr. Rosenberg's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Rosenberg to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chi N. Rosenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosenberg practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Woodland Hills Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chi N. Rosenberg is one of 1,910 dermatologists in California
Dermatology is Dr. Rosenberg's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Rosenberg is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. Rosenberg
Counts of dermatologists 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. Chi N. Rosenberg's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Rosenberg's median patient age at 63, with 66% women.
Dr. Rosenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women66%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. Chi N. Rosenberg wrote 1,599 Medicare Part D claims in 2024
In 2024, Dr. Rosenberg wrote 1,599 Medicare Part D claims for 499 patients. 78% of them were for generic drugs. CMS names the drug for 1,389 of them, across 37 drugs with 11 or more claims each, at $673,246 in total drug cost. In 2023, CMS named 1,310 claims across 34 drugs.
Dr. Rosenberg's Part D claims by kind of drug, 2024
- Generic1,242 claims78%
- Brand-name357 claims22%
Dr. Rosenberg'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. Rosenberg's Part D claims, 2024
- Antibiotics2%33 of 1,599 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: 1,3102024: 1,3896%
Drugs named by CMS: 37 in 2024, 34 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. Chi N. Rosenberg takes part in Medicare
Dr. Rosenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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. Chi N. Rosenberg received $142 in industry payments from 2016 to 2018
CMS Open Payments shows 3 general payments to Dr. Rosenberg from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 89% of the total. Galderma Laboratories, L.P. paid the most, $66.
General payments to Dr. Rosenberg by program year, 2016 to 2018
General payments to Dr. Rosenberg by kind, 2016 to 2018
- Food and beverage$12789%
- Education$1511%
Companies that paid Dr. Rosenberg the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chi N. Rosenberg has 1 award and honors on record
Dmand AI lists 1 award for Dr. Rosenberg, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Rosenberg
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Chi N. Rosenberg graduated from Harvard Medical School
Dr. Rosenberg graduated from Harvard Medical School in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Chi N. Rosenberg accepts plans from 1 insurance carrier
Dr. Rosenberg 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. Rosenberg accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Chi N. Rosenberg'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Chi N. Rosenberg
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. Chi N. Rosenberg's NPI number?
Dr. Chi N. Rosenberg's NPI number is 1154479038. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Chi N. Rosenberg?
Dr. Chi N. Rosenberg is a dermatologist in Woodland Hills, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Chi N. Rosenberg practice?
Dr. Rosenberg practices at 5601 De Soto Avenue, Woodland Hills, CA 91367. Dr. Rosenberg's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dmand AI also links Dr. Rosenberg to 1 dialysis center.
What is Dr. Chi N. Rosenberg's office phone number?
The practice phone on file for Dr. Rosenberg is (818) 719-3800.
What is Dr. Chi N. Rosenberg's medical license number?
Dr. Rosenberg holds California license G85303.
Which hospitals is Dr. Chi N. Rosenberg affiliated with?
Dr. Rosenberg practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California.
What medical group is Dr. Chi N. Rosenberg part of?
Dr. Rosenberg is linked to Southern California Permanente Medical Group.
Does Dr. Chi N. Rosenberg accept Medicare?
Yes. CMS lists Dr. Rosenberg as accepting Medicare assignment.
Where did Dr. Chi N. Rosenberg go to medical school?
Dr. Rosenberg graduated from Harvard Medical School in 1994.
What drugs does Dr. Chi N. Rosenberg prescribe most?
In 2024 Medicare Part D data, Dr. Rosenberg's most prescribed drugs by claims were Clobetasol Propionate, Minoxidil and Metronidazole.
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Has Dr. Chi N. Rosenberg received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Dr. Rosenberg from 3 companies from 2016 to 2018. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Chi N. Rosenberg been practicing?
Dr. Rosenberg graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Chi N. Rosenberg accept?
Dr. Rosenberg 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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