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Dr. Nguyen Khoi Ha, MD
NPI1336327683PAC ID4789853839
- Medicare services, 2024
- 2,295
- Medicare patients, 2024
- 292
- Part D claims, 2024
- 475
- Publications
- 2
- Industry payments
- $2,828
- Practice address
- 1690 Barton Rd, Redlands, CA 92373
- Practice phone
- Call (909) 793-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optum Redlands Fern Cajon Primary and Specialty Care
Redlands, California
Find Dr. Ha'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. Nguyen Khoi Ha is an ophthalmologist in Redlands, California
Dr. Ha practices at Optum Redlands Fern Cajon Primary and Specialty Care in Redlands, California.
Dr. Ha's NPI, 1336327683, was assigned on February 7, 2008. Dr. Ha graduated from Vanderbilt University School Of Medicine in 2007. Dr. Ha holds California license A130540.
NPI and contact details
- NPI
- 1336327683NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789853839
- NPI enumeration date
- February 7, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 793-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nguyen Khoi Ha practices at Optum Redlands Fern Cajon Primary and Specialty Care in Redlands, California
Dr. Ha's primary practice is Optum Redlands Fern Cajon Primary and Specialty Care, at 1690 Barton Rd, Redlands, CA 92373 in San Bernardino County. The practice phone is (909) 793-3311.
- Optum Redlands Fern Cajon Primary and Specialty Care1690 Barton Rd, Redlands, CA 92373 · San Bernardino CountyPhone(909) 793-3311
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nguyen Khoi Ha is affiliated with 3 sites of care and 2 medical groups
Dr. Ha's primary practice is Optum Redlands Fern Cajon Primary and Specialty Care in Redlands, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Ha to 2 more group practices and clinics and 1 medical group, each named with a free account.
Optum Redlands Fern Cajon Primary and Specialty CarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nguyen Khoi Ha's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ha practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optum Redlands Fern Cajon Primary and Specialty Care | 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. Nguyen Khoi Ha is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Ha's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Ha is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Ha's licenses on file in 3 states: California, South Carolina and Maryland.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- South Carolina license
- Maryland license
Clinical focus
Dmand AI lists age-related macular degeneration, eyelid inflammation, hypertensive retinopathy, inflammation of iris, laser destruction of retinal or choroid lesions, retinal detachment, retinal occlusion and surgical retina and vitreous procedures among the conditions Dr. Ha treats.
Ophthalmologists near Dr. Ha
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California
5ophthalmologists in Redlands
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nguyen Khoi Ha billed Medicare for 2,295 services in 2024
CMS data shows 2,295 Medicare services from Dr. Ha across 6 procedure codes in 2024, for 292 Medicare patients. Medicare paid $359,318 for them. Every service was in an office.
Medicare services, 20242,295
Medicare patients292
Paid by Medicare$359,318
Procedure codes6
Dr. Ha's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,0492024: 1,053No change
- Drugs given in the office
- 2023: 7122024: 7313%
- Surgery
- 2023: 5582024: 5118%
- Office and hospital visits
- 2023: 442024: 0100%
Dr. Ha compared with the California median for ophthalmologists, 2024
- Dr. Ha
- California median
- Medicare services
- 2,295vs 1,0792.1 times
- Medicare patients
- 292vs 42131% below
- Part D claims
- 440vs 61829% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Ha'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. Ha?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ha and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nguyen Khoi Ha treated 292 Medicare patients in 2024, average age 78
CMS counts 292 Medicare patients who saw Dr. Ha in 2024. The largest group is 75 to 84, with 123 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ha's median patient age at 74, with 56% women.
Medicare patients, 2024292
Average age78
Average risk score1.50
Also on Medicaid9%
Dr. Ha's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ha's Medicare patients by sex, 2024
- Women18563%
- Men10737%
Chronic conditions among Dr. Ha's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Diabetes38%
- Arthritis37%
- Chronic kidney disease35%
- Ischemic heart disease21%
- Mood disorders20%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ha'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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nguyen Khoi Ha wrote 475 Medicare Part D claims in 2024
In 2024, Dr. Ha wrote 475 Medicare Part D claims for 147 patients. 49% of them were for generic drugs. CMS names the drug for 440 of them, across 8 drugs with 11 or more claims each, at $12,801 in total drug cost. In 2023, CMS named 401 claims across 7 drugs.
Part D claims, 2024475
Drugs named by CMS8
Total drug cost$12,801
Part D patients147
Dr. Ha's Part D claims by kind of drug, 2024
- Generic234 claims49%
- Brand-name241 claims51%
Dr. Ha'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: 4012024: 44010%
Drugs named by CMS: 8 in 2024, 7 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. Nguyen Khoi Ha takes part in Medicare
Dr. Ha accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nguyen Khoi Ha has 2 publications on record
Dmand AI links 2 papers to Dr. Ha. Dr. Ha's most frequent co-author is Ala Moshiri, MD, PhD.
Papers2
Dr. Ha's most frequent co-authors
Recent publications by Dr. Ha
See who Dr. Ha researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ha 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. Nguyen Khoi Ha received $2,828 in industry payments from 2016 to 2024
CMS Open Payments shows 71 general payments to Dr. Ha from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 98% of the total. Allergan Inc. paid the most, $984.
General payments to Dr. Ha by program year, 2016 to 2024
General payments to Dr. Ha by kind, 2016 to 2024
$2.8Kin total
- Food and beverage$2,77098%
- Education$592%
Companies that paid Dr. Ha the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nguyen Khoi Ha has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ha, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Ha
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Nguyen Khoi Ha graduated from Vanderbilt University School Of Medicine
Dr. Ha graduated from Vanderbilt University School Of Medicine in 2007. Dr. Ha is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Nguyen Khoi Ha accepts plans from 12 insurance carriers
Dr. Ha is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Ha accepts, by number of carriers
- PPO7
- HMO6
- POS5
- EPO4
- Medicare3
Source: Dmand AI Insurance Network Data
Sources for Dr. Nguyen Khoi Ha'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) |
| 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) |
| 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. Nguyen Khoi Ha
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. Nguyen Khoi Ha's NPI number?
Dr. Nguyen Khoi Ha's NPI number is 1336327683. It was assigned on February 7, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Nguyen Khoi Ha?
Dr. Nguyen Khoi Ha is an ophthalmologist in Redlands, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Nguyen Khoi Ha practice?
Dr. Ha practices at 1690 Barton Rd, Redlands, CA 92373. Dr. Ha's primary practice is Optum Redlands Fern Cajon Primary and Specialty Care in Redlands, California. Dmand AI also links Dr. Ha to 2 group practices and clinics and 1 medical group.
What is Dr. Nguyen Khoi Ha's office phone number?
The practice phone on file for Dr. Ha is (909) 793-3311.
What is Dr. Nguyen Khoi Ha's medical license number?
Dr. Ha holds California license A130540, one of the licenses on file in 3 states.
Which states has Dr. Nguyen Khoi Ha been licensed in?
Dmand AI has state licenses on file for Dr. Ha in California (2014 to 2026), South Carolina (2013 to 2017) and Maryland (2011 to 2014).
What medical group is Dr. Nguyen Khoi Ha part of?
Dr. Ha is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Ha to 1 more medical group.
Does Dr. Nguyen Khoi Ha accept Medicare?
Yes. CMS data shows Dr. Ha billed Medicare for 2,295 services in 2024, and Dr. Ha accepts Medicare assignment.
How many Medicare patients does Dr. Nguyen Khoi Ha see?
CMS counts 292 Medicare patients who saw Dr. Ha in 2024, with an average age of 78.
Is Dr. Nguyen Khoi Ha board certified?
Yes. Dr. Ha is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Nguyen Khoi Ha bill to Medicare?
In 2024, Dr. Ha's most billed Medicare services were eye exam or test (92134), surgery: eye (67028) and injected or infused drug (J0178).
Where did Dr. Nguyen Khoi Ha go to medical school?
Dr. Ha graduated from Vanderbilt University School Of Medicine in 2007.
What drugs does Dr. Nguyen Khoi Ha prescribe most?
In 2024 Medicare Part D data, Dr. Ha's most prescribed drugs by claims were Prednisolone Acetate, Latanoprost and Ofloxacin.
Has Dr. Nguyen Khoi Ha received payments from drug or device companies?
CMS Open Payments shows $2,828 in general payments to Dr. Ha from 11 companies from 2016 to 2024. The largest total came from Allergan Inc.
How long has Dr. Nguyen Khoi Ha been practicing?
Dr. Ha graduated from medical school in 2007, 19 years ago.
Does Dr. Nguyen Khoi Ha do research?
Dmand AI links 2 publications to Dr. Ha.
Who does Dr. Nguyen Khoi Ha publish with?
Dr. Ha's most frequent co-authors are Ala Moshiri, MD, PhD (1 shared paper).
What insurance does Dr. Nguyen Khoi Ha accept?
Dr. Ha is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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