Dr. Mark Kubik, MD
- Medicare services, 2024
- 346
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 576
- Hospital affiliations
- 2
- Industry payments
- $252
- Practice address
- 100 Thorndale Drive, San Rafael, CA 94903
- Practice phone
- Call (415) 492-2408
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Villa Marin
Skilled Nursing Facility - Part of a CCRC · San Rafael, California
Find Dr. Kubik'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 Kubik is a geriatric medicine (internal medicine) physician in San Rafael, California
Dr. Kubik practices at Villa Marin in San Rafael, California.
Dr. Kubik's NPI, 1174746325, was assigned on April 10, 2007. Dr. Kubik graduated from Keck School of Medicine of USC in 1975. Dr. Kubik holds California license G35704.
- NPI
- 1174746325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941488704
- NPI enumeration date
- April 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 492-2408
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Kubik practices at Villa Marin in San Rafael, California
Dr. Kubik's primary practice is Villa Marin, at 100 Thorndale Drive, San Rafael, CA 94903 in Marin County. The practice phone is (415) 492-2408.
- Villa Marin100 Thorndale Drive, San Rafael, CA 94903 · Marin CountyPhone(415) 492-2408
Source: Dmand AI Affiliation Data
Dr. Mark Kubik is affiliated with 4 sites of care
Dr. Kubik's primary practice is Villa Marin in San Rafael, California. Dr. Kubik is also affiliated with MarinHealth Medical Center. Dmand AI also links Dr. Kubik to 1 more hospital and 1 senior living community, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Kubik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kubik practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Villa Marin | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Kubik is one of 497 geriatric medicine (internal medicine) physicians in California
Geriatric medicine is Dr. Kubik's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Kubik is board certified in family medicine by the American Board of Family Medicine. Dr. Kubik is licensed in California.
Specialties and state licenses
- Geriatric medicine (internal medicine), CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, arthritis, atrial fibrillation and flutter, chest wall injury, chronic anemia, chronic diabetes, chronic hypertension and chronic respiratory failure among the conditions Dr. Kubik treats.
Geriatric medicine (internal medicine) physicians near Dr. Kubik
Counts of geriatric medicine (internal medicine) physicians 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 Kubik billed Medicare for 346 services in 2024
CMS data shows 346 Medicare services from Dr. Kubik across 4 procedure codes in 2024, for 91 Medicare patients. Medicare paid $31,761 for them. Every service was in an office.
Dr. Kubik's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3012024: 34615%
Dr. Kubik compared with the California median for geriatric medicine (internal medicine) physicians, 2024
- Dr. Kubik
- California median
- Medicare services
- 346vs 42418% below
- Medicare patients
- 91vs 17849% below
- Part D claims
- 320vs 93066% below
Medians across 466 geriatric medicine (internal medicine) physicians in California with Dmand AI profiles that report each measure.
Dr. Kubik'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. Kubik?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kubik and other geriatric medicine (internal medicine) physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Kubik treated 91 Medicare patients in 2024, average age 90
CMS counts 91 Medicare patients who saw Dr. Kubik in 2024. The largest group is 85 and over, with 72 patients. 75% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kubik's median patient age at 88, with 64% women.
Dr. Kubik's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kubik's Medicare patients by sex, 2024
- Women6369%
- Men2831%
Chronic conditions among Dr. Kubik's Medicare patients, 2024
- High blood pressure75%
- High cholesterol62%
- Arthritis60%
- Atrial fibrillation31%
- Cancer24%
- Anxiety20%
- Chronic kidney disease20%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kubik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 88
Patient panel by sex, all payers
- Women64%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Kubik wrote 576 Medicare Part D claims in 2024
In 2024, Dr. Kubik wrote 576 Medicare Part D claims for 66 patients. 80% of them were for generic drugs. CMS names the drug for 320 of them, across 14 drugs with 11 or more claims each, at $30,050 in total drug cost. In 2023, CMS named 383 claims across 19 drugs.
Dr. Kubik's Part D claims by kind of drug, 2024
- Generic458 claims80%
- Brand-name118 claims20%
Dr. Kubik'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.
Drug classes CMS tracks in Dr. Kubik's Part D claims, 2024
- Opioids3%15 of 576 claims
- Antibiotics3%19 of 576 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3832024: 32016%
Drugs named by CMS: 14 in 2024, 19 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. Mark Kubik takes part in Medicare
Dr. Kubik 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. Mark Kubik received $252 in industry payments from 2017 to 2023
CMS Open Payments shows 4 general payments to Dr. Kubik from 2 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 66% of the total. Stryker Corporation paid the most, $127.
General payments to Dr. Kubik by program year, 2017 to 2023
General payments to Dr. Kubik by kind, 2017 to 2023
- Food and beverage$16566%
- Travel and lodging$8734%
Companies that paid Dr. Kubik the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Kubik graduated from Keck School of Medicine of USC
Dr. Kubik graduated from Keck School of Medicine of USC in 1975.
- Medical school
- Board certified in family medicine
- Board certified in geriatric medicine
Source: Dmand AI Professional Profile Data
Dr. Mark Kubik accepts plans from 1 insurance carrier
Dr. Kubik is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Kubik'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 DataDmand AI Org Hierarchy 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) |
| 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 Kubik
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 Kubik's NPI number?
Dr. Mark Kubik's NPI number is 1174746325. It was assigned on April 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Kubik?
Dr. Mark Kubik is a geriatric medicine (internal medicine) physician in San Rafael, California. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).
Where does Dr. Mark Kubik practice?
Dr. Kubik practices at 100 Thorndale Drive, San Rafael, CA 94903. Dr. Kubik's primary practice is Villa Marin in San Rafael, California. Dmand AI also links Dr. Kubik to 1 hospital and 1 senior living community.
What is Dr. Mark Kubik's office phone number?
The practice phone on file for Dr. Kubik is (415) 492-2408.
What is Dr. Mark Kubik's medical license number?
Dr. Kubik holds California license G35704.
Which hospitals is Dr. Mark Kubik affiliated with?
Dr. Kubik is affiliated with MarinHealth Medical Center. Dmand AI links Dr. Kubik to 1 more hospital.
Does Dr. Mark Kubik accept Medicare?
Yes. CMS data shows Dr. Kubik billed Medicare for 346 services in 2024, and Dr. Kubik accepts Medicare assignment.
How many Medicare patients does Dr. Mark Kubik see?
CMS counts 91 Medicare patients who saw Dr. Kubik in 2024, with an average age of 90.
Is Dr. Mark Kubik board certified?
Yes. Dr. Kubik is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Mark Kubik bill to Medicare?
In 2024, Dr. Kubik's most billed Medicare services were nursing facility care (99308), office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. Mark Kubik go to medical school?
Dr. Kubik graduated from Keck School of Medicine of USC in 1975.
What drugs does Dr. Mark Kubik prescribe most?
In 2024 Medicare Part D data, Dr. Kubik's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Eliquis.
Has Dr. Mark Kubik received payments from drug or device companies?
CMS Open Payments shows $252 in general payments to Dr. Kubik from 2 companies from 2017 to 2023. The largest total came from Stryker Corporation.
How long has Dr. Mark Kubik been practicing?
Dr. Kubik graduated from medical school in 1975, 51 years ago.
What insurance does Dr. Mark Kubik accept?
Dr. Kubik is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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