Dr. Christopher Ryan Rosenberg, MD
- Part D claims, 2024
- 56
- Hospital affiliations
- 2
- Industry payments
- $168
- Medical groups
- 5
- State license
- 1
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- 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. Christopher Ryan Rosenberg is an ophthalmologist in San Francisco, California
Dr. Rosenberg practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Rosenberg's NPI, 1992387757, was assigned on April 22, 2021. Dr. Rosenberg graduated from State University of New York at Stony Brook, School of Medicine in 2021. Dr. Rosenberg holds California license A201236.
- NPI
- 1992387757NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345646931
- NPI enumeration date
- April 22, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Ryan Rosenberg practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Rosenberg's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. Christopher Ryan Rosenberg is affiliated with 7 sites of care and 5 medical groups
Dr. Rosenberg's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Rosenberg is also affiliated with Zuckerberg San Francisco General Hospital and Trauma Center. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Rosenberg to 5 more group practices and clinics and 4 medical groups, 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. Christopher Ryan Rosenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosenberg practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Ryan Rosenberg is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Rosenberg's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Rosenberg is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Ophthalmologists near Dr. Rosenberg
Counts of ophthalmologists 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. Christopher Ryan Rosenberg's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Rosenberg's median patient age at 61, with 55% 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 61
Patient panel by sex, all payers
- Women55%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Christopher Ryan Rosenberg wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Rosenberg wrote 56 Medicare Part D claims for 22 patients. 70% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $109 in total drug cost.
Dr. Rosenberg's Part D claims by kind of drug, 2024
- Generic39 claims70%
- Brand-name17 claims30%
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.
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. Christopher Ryan Rosenberg takes part in Medicare
Dr. Rosenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 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. Christopher Ryan Rosenberg received $168 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Rosenberg from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $168.
General payments to Dr. Rosenberg by program year, 2024 to 2025
Companies that paid Dr. Rosenberg the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Ryan Rosenberg graduated from State University of New York at Stony Brook, School of Medicine
Dr. Rosenberg graduated from State University of New York at Stony Brook, School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Ryan 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Christopher Ryan Rosenberg
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What is Dr. Christopher Ryan Rosenberg's NPI number?
Dr. Christopher Ryan Rosenberg's NPI number is 1992387757. It was assigned on April 22, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Ryan Rosenberg?
Dr. Christopher Ryan Rosenberg is an ophthalmologist in San Francisco, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Christopher Ryan Rosenberg practice?
Dr. Rosenberg practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Rosenberg's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Rosenberg to 5 group practices and clinics and 4 medical groups.
What is Dr. Christopher Ryan Rosenberg's office phone number?
The practice phone on file for Dr. Rosenberg is (415) 353-2733.
What is Dr. Christopher Ryan Rosenberg's medical license number?
Dr. Rosenberg holds California license A201236.
Which hospitals is Dr. Christopher Ryan Rosenberg affiliated with?
Dr. Rosenberg practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Dr. Rosenberg is also affiliated with Zuckerberg San Francisco General Hospital and Trauma Center.
What medical group is Dr. Christopher Ryan Rosenberg part of?
Dr. Rosenberg is linked to UCSF Pediatrics. Dmand AI links Dr. Rosenberg to 4 more medical groups.
Does Dr. Christopher Ryan Rosenberg accept Medicare?
Yes. CMS lists Dr. Rosenberg as accepting Medicare assignment.
Where did Dr. Christopher Ryan Rosenberg go to medical school?
Dr. Rosenberg graduated from State University of New York at Stony Brook, School of Medicine in 2021.
What drugs does Dr. Christopher Ryan Rosenberg prescribe most?
In 2024 Medicare Part D data, Dr. Rosenberg's most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth.
Has Dr. Christopher Ryan Rosenberg received payments from drug or device companies?
CMS Open Payments shows $168 in general payments to Dr. Rosenberg from 1 company from 2024 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Christopher Ryan Rosenberg been practicing?
Dr. Rosenberg graduated from medical school in 2021, 5 years ago.
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