Dr. Chirag Ramesh Patel, MD
- Medicare services, 2024
- 1,230
- Medicare patients, 2024
- 485
- Part D claims, 2024
- 1,263
- Publications
- 2
- Clinical trials
- 1
- Practice address
- 2750 Sycamore Dr, Simi Valley, CA 93065
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aspen Surgery Center - HOPD
Acute Care Hospital outpatient department · Simi Valley, California
Find Dr. Patel'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. Chirag Ramesh Patel is an ophthalmologist in Walnut Creek, California
Dr. Patel practices at Aspen Surgery Center - HOPD in Simi Valley, California.
Dr. Patel's NPI, 1922269760, was assigned on June 24, 2008. Dr. Patel graduated from UC San Diego School of Medicine in 2006. Dr. Patel's California license number on file is A122718.
- NPI
- 1922269760NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567630619
- NPI enumeration date
- June 24, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chirag Ramesh Patel practices in Simi Valley and Walnut Creek
Dr. Patel's primary practice is Aspen Surgery Center - HOPD, at 2750 Sycamore Dr, Simi Valley, CA 93065. Dr. Patel also practices at Aspen Surgery Center, 133 La Casa Via, Walnut Creek, CA 94598.
- Aspen Surgery Center - HOPDPrimary2750 Sycamore Dr, Simi Valley, CA 93065
- Aspen Surgery Center133 La Casa Via, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 210-8400
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Chirag Ramesh Patel is affiliated with 3 sites of care and 1 medical group
Dr. Patel's primary practice is Aspen Surgery Center - HOPD in Simi Valley, California. Dr. Patel is also affiliated with Sutter Eden Medical Center. Dmand AI also links Dr. Patel to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chirag Ramesh Patel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Patel practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aspen Surgery Center - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chirag Ramesh Patel is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Patel's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Patel is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Patel's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Dr. Patel treats.
Ophthalmologists near Dr. Patel
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. Chirag Ramesh Patel billed Medicare for 1,230 services in 2024
CMS data shows 1,230 Medicare services from Dr. Patel across 11 procedure codes in 2024, for 485 Medicare patients. Medicare paid $212,846 for them.
Dr. Patel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5882024: 6338%
- Surgery
- 2023: 2772024: 32116%
- Tests and treatments
- 2023: 4892024: 26246%
- Imaging
- 2023: 192024: 1426%
Where Dr. Patel's Medicare services took place, 2024
- In an office97579%
- In a facility25521%
Dr. Patel compared with the California median for ophthalmologists, 2024
- Dr. Patel
- California median
- Medicare services
- 1,230vs 1,07914% above
- Medicare patients
- 485vs 42115% above
- Part D claims
- 1,172vs 61890% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Patel'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. Patel?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Patel and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chirag Ramesh Patel treated 485 Medicare patients in 2024, average age 75
CMS counts 485 Medicare patients who saw Dr. Patel in 2024. The largest group is 75 to 84, with 222 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Patel's median patient age at 71, with 54% women.
Dr. Patel's Medicare patients by age, 2024
Dr. Patel's Medicare patients by sex, 2024
- Women30864%
- Men17736%
Chronic conditions among Dr. Patel's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis39%
- Diabetes29%
- Ischemic heart disease21%
- Chronic kidney disease19%
- Osteoporosis17%
- Cancer14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Patel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chirag Ramesh Patel wrote 1,263 Medicare Part D claims in 2024
In 2024, Dr. Patel wrote 1,263 Medicare Part D claims for 369 patients. 57% of them were for generic drugs. CMS names the drug for 1,172 of them, across 18 drugs with 11 or more claims each, at $147,493 in total drug cost. In 2023, CMS named 1,141 claims across 19 drugs.
Dr. Patel's Part D claims by kind of drug, 2024
- Generic718 claims57%
- Brand-name545 claims43%
Dr. Patel'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: 1,1412024: 1,1723%
Drugs named by CMS: 18 in 2024, 19 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. Chirag Ramesh Patel scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Patel for performance year 2024, reported as part of a group. Dr. Patel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 361 procedures of cataract surgery by Dr. Patel, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Patel's MIPS scores, performance year 2024
- 94of 100Final score
- 93.5of 100Quality
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Patel ranks in Medicare procedure volume
- Cataract surgery
- 92nd percentile361 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Chirag Ramesh Patel has 2 publications on record
Dmand AI links 2 papers to Dr. Patel in 2017. Dr. Patel's most frequent co-authors are Kathryn K. Najafi-Tagol, MD and David L. Stroman, MD.
Dr. Patel's most frequent co-authors
Recent publications by Dr. Patel
See who Dr. Patel researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Patel 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. Chirag Ramesh Patel has worked on 1 clinical trial
Dmand AI links Dr. Patel to 1 clinical trial. Conditions studied include Blepharitis and Eyelid Diseases.
Conditions in Dr. Patel's trials
- Blepharitis
- Eyelid Diseases
Recent clinical trials with Dr. Patel
Efficacy of iLid Cleanser (Avenova) Versus Vehicle on Ocular Skin Flora (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Chirag Ramesh Patel received $9,123 in industry payments from 2016 to 2025
CMS Open Payments shows 157 general payments to Dr. Patel from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 54% of the total. Abbott Laboratories paid the most, $4,169.
General payments to Dr. Patel by program year, 2016 to 2025
General payments to Dr. Patel by kind, 2016 to 2025
- Food and beverage$4,91954%
- Consulting fees$4,12545%
- Entertainment$551%
- Education$230%
Companies that paid Dr. Patel 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. Chirag Ramesh Patel graduated from UC San Diego School of Medicine
Dr. Patel graduated from UC San Diego School of Medicine in 2006. Dr. Patel is a member of AAO and ASCRS.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Chirag Ramesh Patel accepts plans from 21 insurance carriers
Dr. Patel is in network with 21 carriers, including Aetna, Elevance and Humana. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Humana
- Blue Cross Blue Shield of Michigan
- HCSC
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Alliant Health Plans
- +13 more carriersWith a free account
Plan types Dr. Patel accepts, by number of carriers
- HMO12
- PPO12
- Medicare9
- POS9
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Chirag Ramesh Patel'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 Affiliation DataDmand AI Practice 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)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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 |
| 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. Chirag Ramesh Patel
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. Chirag Ramesh Patel's NPI number?
Dr. Chirag Ramesh Patel's NPI number is 1922269760. It was assigned on June 24, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Chirag Ramesh Patel?
Dr. Chirag Ramesh Patel is an ophthalmologist in Walnut Creek, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Chirag Ramesh Patel practice?
Dr. Patel practices at 2750 Sycamore Dr, Simi Valley, CA 93065. Dr. Patel also practices at 133 La Casa Via, Walnut Creek, CA 94598. Dr. Patel's primary practice is Aspen Surgery Center - HOPD in Simi Valley, California. Dmand AI also links Dr. Patel to 1 group practice or clinic and 1 medical group.
What is Dr. Chirag Ramesh Patel's medical license number?
Dr. Patel's California license number on file is A122718, one of the licenses on file in 2 states.
Which states has Dr. Chirag Ramesh Patel been licensed in?
Dmand AI has state licenses on file for Dr. Patel in California (2012 to 2025) and New York (2011 to 2014).
Which hospitals is Dr. Chirag Ramesh Patel affiliated with?
Dr. Patel is affiliated with Sutter Eden Medical Center.
Does Dr. Chirag Ramesh Patel accept Medicare?
Yes. CMS data shows Dr. Patel billed Medicare for 1,230 services in 2024, and Dr. Patel accepts Medicare assignment.
What is Dr. Chirag Ramesh Patel's MIPS score?
Dr. Patel's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Chirag Ramesh Patel see?
CMS counts 485 Medicare patients who saw Dr. Patel in 2024, with an average age of 75.
Is Dr. Chirag Ramesh Patel board certified?
Yes. Dr. Patel is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Chirag Ramesh Patel bill to Medicare?
In 2024, Dr. Patel's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: eye (66984).
Where did Dr. Chirag Ramesh Patel go to medical school?
Dr. Patel graduated from UC San Diego School of Medicine in 2006.
What drugs does Dr. Chirag Ramesh Patel prescribe most?
In 2024 Medicare Part D data, Dr. Patel's most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Ketorolac Tromethamine.
Has Dr. Chirag Ramesh Patel received payments from drug or device companies?
CMS Open Payments shows $9,123 in general payments to Dr. Patel from 32 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Chirag Ramesh Patel been practicing?
Dr. Patel graduated from medical school in 2006, 20 years ago.
Does Dr. Chirag Ramesh Patel do research?
Dmand AI links 2 publications to Dr. Patel. Dr. Patel has worked on 1 clinical trial.
Who does Dr. Chirag Ramesh Patel publish with?
Dr. Patel's most frequent co-authors are Kathryn K. Najafi-Tagol, MD (1 shared paper) and David L. Stroman, MD (1 shared paper).
What insurance does Dr. Chirag Ramesh Patel accept?
Dr. Patel is in network with 21 carriers, including Aetna, Elevance and Humana. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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