Dr. Douglas David Gerstein, MD
- Part D claims, 2024
- 12
- Publications
- 1
- Industry payments
- $16
- Affiliated sites
- 1
- Insurance carriers
- 5
- Practice address
- 49 Dunfries Ter, San Rafael, CA 94901
- Practice phone
- Call (415) 306-6779
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Douglas Gerstein, MD
Physician office · San Rafael, California
Find Dr. Gerstein'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. Douglas David Gerstein is an ophthalmologist in San Rafael, California
Dr. Gerstein practices at Douglas Gerstein, MD in San Rafael, California.
Dr. Gerstein's NPI, 1376595207, was assigned on May 17, 2006. Dr. Gerstein graduated from Jacobs School of Medicine and Biomedical Sciences in 1967. Dr. Gerstein holds California license G24353.
- NPI
- 1376595207NPI Registry (opens in a new tab)
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Practice phone
- (415) 306-6779
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1967
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Douglas David Gerstein practices at Douglas Gerstein, MD in San Rafael, California
Dr. Gerstein's primary practice is Douglas Gerstein, MD, at 49 Dunfries Ter, San Rafael, CA 94901. The practice phone is (415) 306-6779.
- Douglas Gerstein, MD49 Dunfries Ter, San Rafael, CA 94901Phone(415) 306-6779
Source: Dmand AI Affiliation Data
Dr. Douglas David Gerstein is affiliated with 1 site of care
Dr. Gerstein's primary practice is Douglas Gerstein, MD in San Rafael, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Douglas David Gerstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Douglas Gerstein, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas David Gerstein is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Gerstein's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gerstein is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Gerstein is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Ophthalmologists near Dr. Gerstein
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. Douglas David Gerstein wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Gerstein wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $2,946 in total drug cost. In 2017, CMS named 94 claims across 3 drugs.
Dr. Gerstein's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 942018: 4354%
Drugs named by CMS: 2 in 2018, 3 in 2017.
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. Douglas David Gerstein has 1 publication on record
Dmand AI links 1 paper to Dr. Gerstein.
Recent publications by Dr. Gerstein
See who Dr. Gerstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gerstein 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. Douglas David Gerstein received $16 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Gerstein from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Novabay Pharmaceuticals, Inc. paid the most, $16.
Companies that paid Dr. Gerstein the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas David Gerstein graduated from Jacobs School of Medicine and Biomedical Sciences
Dr. Gerstein graduated from Jacobs School of Medicine and Biomedical Sciences in 1967.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Douglas David Gerstein accepts plans from 5 insurance carriers
Dr. Gerstein is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
Plan types Dr. Gerstein accepts, by number of carriers
- Medicare5
- PPO5
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Douglas David Gerstein'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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) |
| 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. Douglas David Gerstein
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. Douglas David Gerstein's NPI number?
Dr. Douglas David Gerstein's NPI number is 1376595207. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas David Gerstein?
Dr. Douglas David Gerstein is an ophthalmologist in San Rafael, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Douglas David Gerstein practice?
Dr. Gerstein practices at 49 Dunfries Ter, San Rafael, CA 94901. Dr. Gerstein's primary practice is Douglas Gerstein, MD in San Rafael, California.
What is Dr. Douglas David Gerstein's office phone number?
The practice phone on file for Dr. Gerstein is (415) 306-6779.
What is Dr. Douglas David Gerstein's medical license number?
Dr. Gerstein holds California license G24353.
Is Dr. Douglas David Gerstein board certified?
Yes. Dr. Gerstein is board certified in ophthalmology by the American Board of Ophthalmology.
Where did Dr. Douglas David Gerstein go to medical school?
Dr. Gerstein graduated from Jacobs School of Medicine and Biomedical Sciences in 1967.
What drugs does Dr. Douglas David Gerstein prescribe most?
In 2018 Medicare Part D data, Dr. Gerstein's most prescribed drugs by claims were Latanoprost and Timolol Maleate.
Has Dr. Douglas David Gerstein received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Gerstein from 1 company from 2016 to 2016. The largest total came from Novabay Pharmaceuticals, Inc.
How long has Dr. Douglas David Gerstein been practicing?
Dr. Gerstein graduated from medical school in 1967, 59 years ago.
Does Dr. Douglas David Gerstein do research?
Dmand AI links 1 publication to Dr. Gerstein.
What insurance does Dr. Douglas David Gerstein accept?
Dr. Gerstein is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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