Dr. Ryan H. Phan, MD
- Medicare services, 2024
- 1,004
- Medicare patients, 2024
- 487
- Part D claims, 2024
- 2,727
- Publications
- 2
- MIPS score, 2024
- 95
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Phan'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. Ryan H. Phan is an ophthalmologist in San Diego, California
Dr. Phan practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Phan's NPI, 1588027213, was assigned on March 31, 2016. Dr. Phan graduated from University of Colorado Anschutz Medical Campus in 2016. Dr. Phan holds California license 168006.
- NPI
- 1588027213NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072850536
- NPI enumeration date
- March 31, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan H. Phan practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Phan's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan H. Phan is affiliated with 4 sites of care and 5 medical groups
Dr. Phan's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dr. Phan is also affiliated with Hillcrest Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Phan to 1 more hospital, 4 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ryan H. Phan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan H. Phan is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Phan's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Phan is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Phan treats.
Ophthalmologists near Dr. Phan
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. Ryan H. Phan billed Medicare for 1,004 services in 2024
CMS data shows 1,004 Medicare services from Dr. Phan across 15 procedure codes in 2024, for 487 Medicare patients. Medicare paid $73,799 for them.
Dr. Phan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,0742024: 75929%
- Office and hospital visits
- 2023: 2962024: 18039%
- Surgery
- 2023: 822024: 5237%
- Imaging
- 2023: 02024: 13
Where Dr. Phan's Medicare services took place, 2024
- In an office97197%
- In a facility333%
Dr. Phan compared with the California median for ophthalmologists, 2024
- Dr. Phan
- California median
- Medicare services
- 1,004vs 1,0797% below
- Medicare patients
- 487vs 42116% above
- Part D claims
- 2,652vs 6184.3 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Phan'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. Phan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Phan and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan H. Phan treated 487 Medicare patients in 2024, average age 74
CMS counts 487 Medicare patients who saw Dr. Phan in 2024. The largest group is 65 to 74, with 237 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 61% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Phan's median patient age at 72, with 59% women.
Dr. Phan's Medicare patients by age, 2024
Dr. Phan's Medicare patients by sex, 2024
- Women28959%
- Men19841%
Chronic conditions among Dr. Phan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes45%
- Arthritis36%
- Chronic kidney disease22%
- Osteoporosis20%
- Ischemic heart disease16%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Phan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan H. Phan wrote 2,727 Medicare Part D claims in 2024
In 2024, Dr. Phan wrote 2,727 Medicare Part D claims for 488 patients. 55% of them were for generic drugs. CMS names the drug for 2,652 of them, across 24 drugs with 11 or more claims each, at $416,655 in total drug cost. In 2023, CMS named 3,287 claims across 24 drugs.
Dr. Phan's Part D claims by kind of drug, 2024
- Generic1,511 claims55%
- Brand-name1,216 claims45%
Dr. Phan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,2872024: 2,65219%
Drugs named by CMS: 24 in 2024, 24 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. Ryan H. Phan scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Phan for performance year 2024, reported as part of a group. Dr. Phan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Phan's MIPS scores, performance year 2024
- 95of 100Final score
- 95.4of 100Quality
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ryan H. Phan has 2 publications on record
Dmand AI links 2 papers to Dr. Phan, published from 2014 to 2022. Dr. Phan's most frequent co-authors are Kevin Bubel, MD, Marcelle M. Morcos, MD and Henry D. Perry, MD.
Dr. Phan's most frequent co-authors
Recent publications by Dr. Phan
See who Dr. Phan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Phan works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan H. Phan received $4,941 in industry payments from 2020 to 2025
CMS Open Payments shows 73 general payments to Dr. Phan from 13 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 66% of the total. Alcon Laboratories Inc paid the most, $2,193.
General payments to Dr. Phan by program year, 2020 to 2025
General payments to Dr. Phan by kind, 2020 to 2025
- Food and beverage$3,24166%
- Speaker and faculty fees$1,70034%
Companies that paid Dr. Phan the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan H. Phan graduated from University of Colorado Anschutz Medical Campus
Dr. Phan graduated from University of Colorado Anschutz Medical Campus in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ryan H. Phan accepts plans from 15 insurance carriers
Dr. Phan is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Phan accepts, by number of carriers
- Medicare9
- PPO9
- HMO7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan H. Phan'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Ryan H. Phan
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. Ryan H. Phan's NPI number?
Dr. Ryan H. Phan's NPI number is 1588027213. It was assigned on March 31, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan H. Phan?
Dr. Ryan H. Phan is an ophthalmologist in San Diego, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ryan H. Phan practice?
Dr. Phan practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Phan's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dmand AI also links Dr. Phan to 1 hospital, 4 medical groups and 1 group practice or clinic.
What is Dr. Ryan H. Phan's office phone number?
The practice phone on file for Dr. Phan is (619) 528-5000.
What is Dr. Ryan H. Phan's medical license number?
Dr. Phan holds California license 168006.
Which hospitals is Dr. Ryan H. Phan affiliated with?
Dr. Phan is affiliated with Hillcrest Medical Center. Dmand AI links Dr. Phan to 1 more hospital.
What medical group is Dr. Ryan H. Phan part of?
Dr. Phan is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Phan to 4 more medical groups.
Does Dr. Ryan H. Phan accept Medicare?
Yes. CMS data shows Dr. Phan billed Medicare for 1,004 services in 2024, and Dr. Phan accepts Medicare assignment.
What is Dr. Ryan H. Phan's MIPS score?
Dr. Phan's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ryan H. Phan see?
CMS counts 487 Medicare patients who saw Dr. Phan in 2024, with an average age of 74.
Show 8 more questionsShow fewer questions
What services does Dr. Ryan H. Phan bill to Medicare?
In 2024, Dr. Phan's most billed Medicare services were eye exam or test (92012), eye exam or test (92014) and eye exam or test (92250).
Where did Dr. Ryan H. Phan go to medical school?
Dr. Phan graduated from University of Colorado Anschutz Medical Campus in 2016.
What drugs does Dr. Ryan H. Phan prescribe most?
In 2024 Medicare Part D data, Dr. Phan's most prescribed drugs by claims were Azelastine HCl, Latanoprost and Lumigan.
Has Dr. Ryan H. Phan received payments from drug or device companies?
CMS Open Payments shows $4,941 in general payments to Dr. Phan from 13 companies from 2020 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Ryan H. Phan been practicing?
Dr. Phan graduated from medical school in 2016, 10 years ago.
Does Dr. Ryan H. Phan do research?
Dmand AI links 2 publications to Dr. Phan, published from 2014 to 2022.
Who does Dr. Ryan H. Phan publish with?
Dr. Phan's most frequent co-authors are Kevin Bubel, MD (1 shared paper), Marcelle M. Morcos, MD (1 shared paper) and Henry D. Perry, MD (1 shared paper).
What insurance does Dr. Ryan H. Phan accept?
Dr. Phan is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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