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Dr. Heather Chen, MD
NPI1164881603PAC ID4789978214
- Medicare services, 2024
- 1,927
- Medicare patients, 2024
- 758
- Part D claims, 2024
- 3,231
- Publications
- 2
- MIPS score, 2024
- 94
- Practice address
- 2067 W Vista Way, Vista, CA 92083
- Practice phone
- Call (760) 758-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greider Eye Associates
Vista, California
Find Dr. Chen's professional email, personal email and mobile number
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Dr. Heather Chen is an ophthalmologist in Vista, California
Dr. Chen practices at Greider Eye Associates in Vista, California.
Dr. Chen's NPI, 1164881603, was assigned on February 12, 2016. Dr. Chen graduated from UC San Diego School of Medicine in 2016. Dr. Chen holds California license A155386.
NPI and contact details
- NPI
- 1164881603NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789978214
- NPI enumeration date
- February 12, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 758-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Heather Chen practices at Greider Eye Associates in Vista, California
Dr. Chen's primary practice is Greider Eye Associates, at 2067 W Vista Way, Vista, CA 92083 in San Diego County. The practice phone is (760) 758-2020.
- Greider Eye Associates2067 W Vista Way, Vista, CA 92083 · San Diego CountyPhone(760) 758-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Heather Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Greider Eye Associates in Vista, California. Dmand AI also links Dr. Chen to 1 group practice or clinic and 1 medical group, each named with a free account.
Greider Eye AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Heather Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greider Eye Associates | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Heather Chen is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Chen 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. Chen treats.
Ophthalmologists near Dr. Chen
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California
4ophthalmologists in Vista
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Heather Chen billed Medicare for 1,927 services in 2024
CMS data shows 1,927 Medicare services from Dr. Chen across 16 procedure codes in 2024, for 758 Medicare patients. Medicare paid $177,867 for them.
Medicare services, 20241,927
Medicare patients758
Paid by Medicare$177,867
Procedure codes16
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7582024: 1,04137%
- Office and hospital visits
- 2023: 3562024: 61874%
- Surgery
- 2023: 1582024: 26870%
Where Dr. Chen's Medicare services took place, 2024
- In an office1,87097%
- In a facility573%
Dr. Chen compared with the California median for ophthalmologists, 2024
- Dr. Chen
- California median
- Medicare services
- 1,927vs 1,07979% above
- Medicare patients
- 758vs 42180% above
- Part D claims
- 3,121vs 6185.1 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Chen'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. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Heather Chen treated 758 Medicare patients in 2024, average age 76
CMS counts 758 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 327 patients. 74% of them have high cholesterol, and 63% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 74, with 59% women.
Medicare patients, 2024758
Average age76
Average risk score1.18
Also on Medicaid11%
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women51067%
- Men24833%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol74%
- High blood pressure63%
- Arthritis46%
- Diabetes28%
- Osteoporosis23%
- Ischemic heart disease22%
- Mood disorders21%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
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. Heather Chen wrote 3,231 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 3,231 Medicare Part D claims for 835 patients. 55% of them were for generic drugs. CMS names the drug for 3,121 of them, across 23 drugs with 11 or more claims each, at $441,545 in total drug cost. In 2023, CMS named 3,019 claims across 23 drugs.
Part D claims, 20243,231
Drugs named by CMS23
Total drug cost$441,545
Part D patients835
Dr. Chen's Part D claims by kind of drug, 2024
- Generic1,765 claims55%
- Brand-name1,466 claims45%
Dr. Chen'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: 3,0192024: 3,1213%
Drugs named by CMS: 23 in 2024, 23 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. Heather Chen 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. Chen for performance year 2024, reported as part of a group. Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 191 procedures of cataract surgery by Dr. Chen, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Chen's MIPS scores, performance year 2024
- 94of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chen ranks in Medicare procedure volume
- Cataract surgery
- 83rd percentile191 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. Heather Chen has 2 publications on record
Dmand AI links 2 papers to Dr. Chen in 2020. Dr. Chen's most frequent co-authors are Natalie A. Afshari, MD, Sally Liu Baxter, MD and Andrew S. Camp, MD.
Papers2
Dr. Chen's most frequent co-authors
- Natalie A. Afshari, MD1 shared paper
- Sally Liu Baxter, MD1 shared paper
- Andrew S. Camp, MD1 shared paper
Recent publications by Dr. Chen
Curr Opin Ophthalmol
BiometryCataract ExtractionLaser Therapy
See who Dr. Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen 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. Heather Chen received $3,864 in industry payments from 2019 to 2025
CMS Open Payments shows 158 general payments to Dr. Chen from 20 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $802.
General payments to Dr. Chen by program year, 2019 to 2025
Companies that paid Dr. Chen the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Heather Chen graduated from UC San Diego School of Medicine
Dr. Chen graduated from UC San Diego School of Medicine in 2016.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Heather Chen accepts plans from 19 insurance carriers
Dr. Chen is in network with 19 carriers, including Aetna, HCSC and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- HCSC
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- Humana
- Alliant Health Plans
- Aspirus Health Plan
- +11 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- HMO13
- PPO10
- Medicare7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Heather Chen'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. Heather Chen
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. Heather Chen's NPI number?
Dr. Heather Chen's NPI number is 1164881603. It was assigned on February 12, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Heather Chen?
Dr. Heather Chen is an ophthalmologist in Vista, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Heather Chen practice?
Dr. Chen practices at 2067 W Vista Way, Vista, CA 92083. Dr. Chen's primary practice is Greider Eye Associates in Vista, California. Dmand AI also links Dr. Chen to 1 group practice or clinic and 1 medical group.
What is Dr. Heather Chen's office phone number?
The practice phone on file for Dr. Chen is (760) 758-2020.
What is Dr. Heather Chen's medical license number?
Dr. Chen holds California license A155386.
Does Dr. Heather Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 1,927 services in 2024, and Dr. Chen accepts Medicare assignment.
What is Dr. Heather Chen's MIPS score?
Dr. Chen'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. Heather Chen see?
CMS counts 758 Medicare patients who saw Dr. Chen in 2024, with an average age of 76.
Is Dr. Heather Chen board certified?
Yes. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Heather Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99213), eye exam or test (92014) and eye exam or test (92133).
Show 7 more questionsShow fewer questions
Where did Dr. Heather Chen go to medical school?
Dr. Chen graduated from UC San Diego School of Medicine in 2016.
What drugs does Dr. Heather Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
Has Dr. Heather Chen received payments from drug or device companies?
CMS Open Payments shows $3,864 in general payments to Dr. Chen from 20 companies from 2019 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Heather Chen been practicing?
Dr. Chen graduated from medical school in 2016, 10 years ago.
Does Dr. Heather Chen do research?
Dmand AI links 2 publications to Dr. Chen.
Who does Dr. Heather Chen publish with?
Dr. Chen's most frequent co-authors are Natalie A. Afshari, MD (1 shared paper), Sally Liu Baxter, MD (1 shared paper) and Andrew S. Camp, MD (1 shared paper).
What insurance does Dr. Heather Chen accept?
Dr. Chen is in network with 19 carriers, including Aetna, HCSC and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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