Semin Arthritis Rheum
Dr. Ron Gutmark, MD
- Medicare services, 2024
- 55
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 2,865
- Publications
- 6
- Industry payments
- $4,145
- Practice address
- 18250 W Roscoe Blvd, Northridge, CA 91325
- Practice phone
- Call (818) 265-7777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Specialty Eye Care Medical Center, Inc.
Northridge, California
Find Dr. Gutmark'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. Ron Gutmark is an ophthalmologist in Northridge, California
Dr. Gutmark practices at Specialty Eye Care Medical Center, Inc. in Northridge, California.
Dr. Gutmark's NPI, 1609189893, was assigned on July 16, 2010. Dr. Gutmark graduated from The Johns Hopkins University School of Medicine in 2010. Dr. Gutmark's California license number on file is A129409.
- NPI
- 1609189893NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305095282
- NPI enumeration date
- July 16, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 265-7777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ron Gutmark practices at Specialty Eye Care Medical Center, Inc. in Northridge, California
Dr. Gutmark's primary practice is Specialty Eye Care Medical Center, Inc., at 18250 W Roscoe Blvd, Northridge, CA 91325 in Los Angeles County. The practice phone is (818) 265-7777.
- Specialty Eye Care Medical Center, Inc.18250 W Roscoe Blvd, Northridge, CA 91325 · Los Angeles CountyPhone(818) 265-7777
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ron Gutmark is affiliated with 2 sites of care and 3 medical groups
Dr. Gutmark's primary practice is Specialty Eye Care Medical Center, Inc. in Northridge, California. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Gutmark to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ron Gutmark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gutmark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Specialty Eye Care Medical Center, Inc. | 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. Ron Gutmark is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Gutmark's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gutmark is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Gutmark's licenses on file in 4 states: California, Maryland, Michigan and Pennsylvania.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Internal medicine, Maryland
- Michigan license
- Pennsylvania license
Clinical focus
Dmand AI lists cataract, dry eye and vitreous eye degeneration among the conditions Dr. Gutmark treats.
Ophthalmologists near Dr. Gutmark
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. Ron Gutmark billed Medicare for 55 services in 2024
CMS data shows 55 Medicare services from Dr. Gutmark across 2 procedure codes in 2024, all of them office visits, for 55 Medicare patients. Medicare paid $4,497 for them. Every service was in an office.
Dr. Gutmark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 152024: 55267%
Dr. Gutmark compared with the California median for ophthalmologists, 2024
- Dr. Gutmark
- California median
- Medicare services
- 55vs 1,07995% below
- Medicare patients
- 55vs 42187% below
- Part D claims
- 2,774vs 6184.5 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Gutmark'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. Gutmark?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gutmark and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ron Gutmark treated 55 Medicare patients in 2024, average age 73
CMS counts 55 Medicare patients who saw Dr. Gutmark in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gutmark's median patient age at 66, with 59% women.
Dr. Gutmark's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gutmark's Medicare patients by sex, 2024
- Women3360%
- Men2240%
Chronic conditions among Dr. Gutmark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes40%
- Arthritis38%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gutmark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ron Gutmark wrote 2,865 Medicare Part D claims in 2024
In 2024, Dr. Gutmark wrote 2,865 Medicare Part D claims for 822 patients. 53% of them were for generic drugs. CMS names the drug for 2,774 of them, across 33 drugs with 11 or more claims each, at $381,639 in total drug cost. In 2023, CMS named 5,661 claims across 35 drugs.
Dr. Gutmark's Part D claims by kind of drug, 2024
- Generic1,517 claims53%
- Brand-name1,348 claims47%
Dr. Gutmark'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: 5,6612024: 2,77451%
Drugs named by CMS: 33 in 2024, 35 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. Ron Gutmark takes part in Medicare
Dr. Gutmark 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. Ron Gutmark has 6 publications on record
Dmand AI links 6 papers to Dr. Gutmark, published from 2008 to 2013. 2013 was the busiest year, with 2. Dr. Gutmark's most frequent co-authors are David Guyton, MD, Kasra Eliasieh, MD and Garry Evan Gold, MD.
Dr. Gutmark's papers by year, 2008 to 2013
Dr. Gutmark's most frequent co-authors
Recent publications by Dr. Gutmark
Surv Ophthalmol
Bone Marrow Transplant
See who Dr. Gutmark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gutmark 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. Ron Gutmark received $4,145 in industry payments from 2016 to 2025
CMS Open Payments shows 192 general payments to Dr. Gutmark from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $1,190.
General payments to Dr. Gutmark by program year, 2016 to 2025
General payments to Dr. Gutmark by kind, 2016 to 2025
- Food and beverage$4,10399%
- Education$421%
Companies that paid Dr. Gutmark the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ron Gutmark graduated from The Johns Hopkins University School of Medicine
Dr. Gutmark graduated from The Johns Hopkins University School of Medicine in 2010.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Ron Gutmark accepts plans from 12 insurance carriers
Dr. Gutmark is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Health Alliance Plan
- Molina
- +4 more carriersWith a free account
Plan types Dr. Gutmark accepts, by number of carriers
- Medicare9
- PPO7
- HMO6
- POS4
- Medicaid2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ron Gutmark'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) |
| 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. Ron Gutmark
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. Ron Gutmark's NPI number?
Dr. Ron Gutmark's NPI number is 1609189893. It was assigned on July 16, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Ron Gutmark?
Dr. Ron Gutmark is an ophthalmologist in Northridge, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ron Gutmark practice?
Dr. Gutmark practices at 18250 W Roscoe Blvd, Northridge, CA 91325. Dr. Gutmark's primary practice is Specialty Eye Care Medical Center, Inc. in Northridge, California. Dmand AI also links Dr. Gutmark to 2 medical groups and 1 group practice or clinic.
What is Dr. Ron Gutmark's office phone number?
The practice phone on file for Dr. Gutmark is (818) 265-7777.
What is Dr. Ron Gutmark's medical license number?
Dr. Gutmark's California license number on file is A129409, one of the licenses on file in 4 states.
Which states has Dr. Ron Gutmark been licensed in?
Dmand AI has state licenses on file for Dr. Gutmark in California (2014 to 2025), Maryland, Michigan (2015 to 2019) and Pennsylvania (2012 to 2014).
What medical group is Dr. Ron Gutmark part of?
Dr. Gutmark is linked to UC San Diego Health. Dmand AI links Dr. Gutmark to 2 more medical groups.
Does Dr. Ron Gutmark accept Medicare?
Yes. CMS data shows Dr. Gutmark billed Medicare for 55 services in 2024, and Dr. Gutmark accepts Medicare assignment.
How many Medicare patients does Dr. Ron Gutmark see?
CMS counts 55 Medicare patients who saw Dr. Gutmark in 2024, with an average age of 73.
Is Dr. Ron Gutmark board certified?
Yes. Dr. Gutmark is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Ron Gutmark bill to Medicare?
In 2024, Dr. Gutmark's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Ron Gutmark go to medical school?
Dr. Gutmark graduated from The Johns Hopkins University School of Medicine in 2010.
What drugs does Dr. Ron Gutmark prescribe most?
In 2024 Medicare Part D data, Dr. Gutmark's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Moxifloxacin.
Has Dr. Ron Gutmark received payments from drug or device companies?
CMS Open Payments shows $4,145 in general payments to Dr. Gutmark from 19 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Ron Gutmark been practicing?
Dr. Gutmark graduated from medical school in 2010, 16 years ago.
Does Dr. Ron Gutmark do research?
Dmand AI links 6 publications to Dr. Gutmark, published from 2008 to 2013.
Who does Dr. Ron Gutmark publish with?
Dr. Gutmark's most frequent co-authors are David Guyton, MD (2 shared papers), Kasra Eliasieh, MD (1 shared paper) and Garry Evan Gold, MD (1 shared paper).
What insurance does Dr. Ron Gutmark accept?
Dr. Gutmark is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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