Dr. Mark Drucker, MD
- Medicare services, 2022
- 1,196
- Part D claims, 2023
- 55
- Industry payments
- $2,845
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1855 San Miguel Dr, Walnut Creek, CA 94596
- Practice phone
- Call (925) 935-4978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John Muir Trauma Physicians Billing Service - Eye Care - Walnut Creek (1855 San Miguel Dr)
Eye care practice · Walnut Creek, California
Find Dr. Drucker'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. Mark Drucker is an ophthalmologist in Sylvania, Ohio
Dr. Drucker practices at John Muir Trauma Physicians Billing Service - Eye Care - Walnut Creek (1855 San Miguel Dr) in Walnut Creek, California.
Dr. Drucker's NPI, 1699753046, was assigned on January 5, 2006. Dr. Drucker graduated from Weill Cornell Medicine in 1980. Dr. Drucker holds California license G0045173.
- NPI
- 1699753046NPI Registry (opens in a new tab)
- NPI enumeration date
- January 5, 2006
- NPI status
- Active
- Practice phone
- (925) 935-4978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Drucker practices in Walnut Creek and Sylvania
Dr. Drucker's primary practice is John Muir Trauma Physicians Billing Service - Eye Care - Walnut Creek (1855 San Miguel Dr), at 1855 San Miguel Dr, Walnut Creek, CA 94596. The practice phone is (925) 935-4978. The NPI Registry lists Dr. Drucker's practice address as 5200 Harroun Rd, Sylvania, OH 43560.
- John Muir Trauma Physicians Billing Service - Eye Care - Walnut Creek (1855 San Miguel Dr)Primary1855 San Miguel Dr, Walnut Creek, CA 94596Phone(925) 935-4978
- NPI Registry address5200 Harroun Rd, Sylvania, OH 43560 · Lucas CountyPhone(925) 935-4978
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Mark Drucker is affiliated with 1 site of care and 1 medical group
Dr. Drucker's primary practice is John Muir Trauma Physicians Billing Service - Eye Care - Walnut Creek (1855 San Miguel Dr) in Walnut Creek, California. The medical group on file is John Muir Health.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Mark Drucker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Drucker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Trauma Physicians Billing Service - Eye Care - Walnut Creek (1855 San Miguel Dr) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Drucker is one of 658 ophthalmologists in Ohio
Ophthalmology is Dr. Drucker's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Drucker is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Drucker is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Ophthalmologists near Dr. Drucker
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. Mark Drucker billed Medicare for 1,196 services in 2022
CMS data shows 1,196 Medicare services from Dr. Drucker across 15 procedure codes in 2022. Medicare paid $92,973 for them.
Dr. Drucker's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 2,1002022: 92556%
- Office and hospital visits
- 2021: 3412022: 15654%
- Surgery
- 2021: 2392022: 9361%
- Imaging
- 2021: 192022: 2216%
Where Dr. Drucker's Medicare services took place, 2022
- In an office1,16798%
- In a facility292%
Dr. Drucker compared with the Ohio median for ophthalmologists, 2022
- Dr. Drucker
- Ohio median
- Medicare services
- 1,196vs 1,185Close to median
- Part D claims
- 55vs 64191% below
Medians across 673 ophthalmologists in Ohio with Dmand AI profiles that report each measure.
Dr. Drucker's most billed Medicare procedure codes, 2022
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. Drucker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Drucker and other ophthalmologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Drucker's patients have a median age of 83
Across all payers, Dmand AI patient panel data puts Dr. Drucker's median patient age at 83, with 57% women.
Dr. Drucker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women57%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Mark Drucker wrote 55 Medicare Part D claims in 2023
In 2023, Dr. Drucker wrote 55 Medicare Part D claims. They cover 3 drugs, with $16,859 in total drug cost. In 2022, CMS named 892 claims across 19 drugs.
Dr. Drucker's most prescribed drugs by claims, 2023
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 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 8922023: 5594%
Drugs named by CMS: 3 in 2023, 19 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark Drucker received $2,845 in industry payments from 2016 to 2022
CMS Open Payments shows 42 general payments to Dr. Drucker from 18 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 54% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $1,468.
General payments to Dr. Drucker by program year, 2016 to 2022
General payments to Dr. Drucker by kind, 2016 to 2022
- Food and beverage$1,54554%
- Travel and lodging$1,20942%
- Education$532%
- Gifts$391%
Companies that paid Dr. Drucker the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Drucker graduated from Weill Cornell Medicine
Dr. Drucker graduated from Weill Cornell Medicine in 1980.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Mark Drucker accepts plans from 10 insurance carriers
Dr. Drucker is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Humana
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +2 more carriersWith a free account
Plan types Dr. Drucker accepts, by number of carriers
- PPO8
- HMO7
- Medicare6
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Drucker'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. Mark Drucker
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. Mark Drucker's NPI number?
Dr. Mark Drucker's NPI number is 1699753046. It was assigned on January 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Drucker?
Dr. Mark Drucker is an ophthalmologist in Sylvania, Ohio. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Mark Drucker practice?
Dr. Drucker practices at 1855 San Miguel Dr, Walnut Creek, CA 94596. Dr. Drucker also practices at 5200 Harroun Rd, Sylvania, OH 43560. Dr. Drucker's primary practice is John Muir Trauma Physicians Billing Service - Eye Care - Walnut Creek (1855 San Miguel Dr) in Walnut Creek, California.
What is Dr. Mark Drucker's office phone number?
The practice phone on file for Dr. Drucker is (925) 935-4978.
What is Dr. Mark Drucker's medical license number?
Dr. Drucker holds California license G0045173.
What medical group is Dr. Mark Drucker part of?
Dr. Drucker is linked to John Muir Health.
Does Dr. Mark Drucker accept Medicare?
Yes. CMS data shows Dr. Drucker billed Medicare for 1,196 services in 2022.
Is Dr. Mark Drucker board certified?
Yes. Dr. Drucker is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Mark Drucker bill to Medicare?
In 2022, Dr. Drucker's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and office visit, established patient (99212).
Where did Dr. Mark Drucker go to medical school?
Dr. Drucker graduated from Weill Cornell Medicine in 1980.
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What drugs does Dr. Mark Drucker prescribe most?
In 2023 Medicare Part D data, Dr. Drucker's most prescribed drugs by claims were Latanoprost, Lumigan and Xiidra.
Has Dr. Mark Drucker received payments from drug or device companies?
CMS Open Payments shows $2,845 in general payments to Dr. Drucker from 18 companies from 2016 to 2022. The largest total came from Johnson & Johnson Surgical Vision, Inc.
How long has Dr. Mark Drucker been practicing?
Dr. Drucker graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Mark Drucker accept?
Dr. Drucker is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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