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Dr. David Robert Demartini, MD
NPI1437134855
- Medicare services, 2020
- 2,178
- Part D claims, 2024
- 151
- Publications
- 1
- Industry payments
- $2,744
- Affiliated sites
- 1
- Practice address
- 4110 Holt Blvd, Montclair, CA 91763
- Practice phone
- Call (818) 599-8998
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dignity Adult Day Health Care Center
Montclair, California
Find Dr. Demartini's professional email, personal email and mobile number
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Dr. David Robert Demartini is an ophthalmologist in Montclair, California
Dr. Demartini practices at Dignity Adult Day Health Care Center in Montclair, California.
Dr. Demartini's NPI, 1437134855, was assigned on December 8, 2005. Dr. Demartini graduated from University Of Minnesota Medical School in 1977. Dr. Demartini holds California license G390000.
NPI and contact details
- NPI
- 1437134855NPI Registry (opens in a new tab)
- NPI enumeration date
- December 8, 2005
- NPI status
- Active
- Practice phone
- (818) 599-8998
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David Robert Demartini practices at Dignity Adult Day Health Care Center in Montclair, California
Dr. Demartini's primary practice is Dignity Adult Day Health Care Center, at 4110 Holt Blvd, Montclair, CA 91763 in San Bernardino County. The practice phone is (818) 599-8998.
- Dignity Adult Day Health Care Center4110 Holt Blvd, Montclair, CA 91763 · San Bernardino CountyPhone(818) 599-8998
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Robert Demartini is affiliated with 2 sites of care and 2 medical groups
Dr. Demartini's primary practice is Dignity Adult Day Health Care Center in Montclair, California. Dmand AI also links Dr. Demartini to 2 medical groups and 1 group practice or clinic, each named with a free account.
Dignity Adult Day Health Care CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Robert Demartini's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demartini practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Adult Day Health Care Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Robert Demartini is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Demartini's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Demartini is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Demartini's licenses on file in 2 states: California and Minnesota.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Minnesota license
Ophthalmologists near Dr. Demartini
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California
4ophthalmologists in Montclair
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Robert Demartini billed Medicare for 2,178 services in 2020
CMS data shows 2,178 Medicare services from Dr. Demartini across 17 procedure codes in 2020. Medicare paid $205,106 for them.
Medicare services, 20202,178
Paid by Medicare$205,106
Procedure codes17
Dr. Demartini's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1,7682020: 1,19832%
- Tests and treatments
- 2019: 1,0502020: 82122%
- Surgery
- 2019: 2542020: 14742%
- Imaging
- 2019: 132020: 128%
Where Dr. Demartini's Medicare services took place, 2020
- In an office2,03193%
- In a facility1477%
Dr. Demartini compared with the California median for ophthalmologists, 2020
- Dr. Demartini
- California median
- Medicare services
- 2,178vs 1,0792.0 times
- Part D claims
- 98vs 61884% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Demartini's most billed Medicare procedure codes, 2020
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. Demartini?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Demartini and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Robert Demartini's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Demartini's median patient age at 76, with 53% women.
Dr. Demartini's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women53%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. David Robert Demartini wrote 151 Medicare Part D claims in 2024
In 2024, Dr. Demartini wrote 151 Medicare Part D claims for 55 patients. 63% of them were for generic drugs. CMS names the drug for 98 of them, across 6 drugs with 11 or more claims each, at $2,161 in total drug cost. In 2022, CMS named 45 claims across 2 drugs.
Part D claims, 2024151
Drugs named by CMS6
Total drug cost$2,161
Part D patients55
Dr. Demartini's Part D claims by kind of drug, 2024
- Generic95 claims63%
- Brand-name56 claims37%
Dr. Demartini'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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 452024: 98118%
Drugs named by CMS: 6 in 2024, 2 in 2022.
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
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Dr. David Robert Demartini has 1 publication on record
Dmand AI links 1 paper to Dr. Demartini. Dr. Demartini's most frequent co-author is Richard K. Forster, MD.
Papers1
Dr. Demartini's most frequent co-authors
Recent publications by Dr. Demartini
See who Dr. Demartini researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Demartini 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. David Robert Demartini received $2,744 in industry payments from 2016 to 2020
CMS Open Payments shows 73 general payments to Dr. Demartini from 19 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $657.
General payments to Dr. Demartini by program year, 2016 to 2020
Companies that paid Dr. Demartini the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Robert Demartini has 1 award and honors on record
Dmand AI lists 1 award for Dr. Demartini.
Awards and honors for Dr. Demartini
- Undated
- AAO Fellow
Source: Dmand AI Professional Profile Data
Dr. David Robert Demartini graduated from University Of Minnesota Medical School
Dr. Demartini graduated from University Of Minnesota Medical School in 1977. Dr. Demartini is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. David Robert Demartini accepts plans from 7 insurance carriers
Dr. Demartini is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
Plan types Dr. Demartini accepts, by number of carriers
- PPO5
- Medicare4
- POS3
- HMO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Robert Demartini'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 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) |
| 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. David Robert Demartini
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. David Robert Demartini's NPI number?
Dr. David Robert Demartini's NPI number is 1437134855. It was assigned on December 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Robert Demartini?
Dr. David Robert Demartini is an ophthalmologist in Montclair, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. David Robert Demartini practice?
Dr. Demartini practices at 4110 Holt Blvd, Montclair, CA 91763. Dr. Demartini's primary practice is Dignity Adult Day Health Care Center in Montclair, California. Dmand AI also links Dr. Demartini to 2 medical groups and 1 group practice or clinic.
What is Dr. David Robert Demartini's office phone number?
The practice phone on file for Dr. Demartini is (818) 599-8998.
What is Dr. David Robert Demartini's medical license number?
Dr. Demartini holds California license G390000, one of the licenses on file in 2 states.
Which states has Dr. David Robert Demartini been licensed in?
Dmand AI has state licenses on file for Dr. Demartini in California (1979 to 2026) and Minnesota (1978 to 1979).
Does Dr. David Robert Demartini accept Medicare?
Yes. CMS data shows Dr. Demartini billed Medicare for 2,178 services in 2020.
Is Dr. David Robert Demartini board certified?
Yes. Dr. Demartini is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. David Robert Demartini bill to Medicare?
In 2020, Dr. Demartini's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and eye exam or test (92014).
Where did Dr. David Robert Demartini go to medical school?
Dr. Demartini graduated from University Of Minnesota Medical School in 1977.
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What drugs does Dr. David Robert Demartini prescribe most?
In 2024 Medicare Part D data, Dr. Demartini's most prescribed drugs by claims were Latanoprost, Moxifloxacin and Timolol Maleate.
Has Dr. David Robert Demartini received payments from drug or device companies?
CMS Open Payments shows $2,744 in general payments to Dr. Demartini from 19 companies from 2016 to 2020. The largest total came from Allergan Inc.
How long has Dr. David Robert Demartini been practicing?
Dr. Demartini graduated from medical school in 1977, 49 years ago.
Does Dr. David Robert Demartini do research?
Dmand AI links 1 publication to Dr. Demartini.
Who does Dr. David Robert Demartini publish with?
Dr. Demartini's most frequent co-authors are Richard K. Forster, MD (1 shared paper).
What insurance does Dr. David Robert Demartini accept?
Dr. Demartini is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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