Dr. Mark D. Nathan, MD
- Medicare services, 2021
- 3,743
- Part D claims, 2022
- 586
- Industry payments
- $400,237
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 350 Hawthorne Ave, Oakland, CA 94609
- Practice phone
- Call (510) 665-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alta Bates Summit Medical Center - Summit Campus
Oakland, California
Find Dr. Nathan's professional email, personal email and mobile number
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Dr. Mark D. Nathan is an interventional cardiologist in Oakland, California
Dr. Nathan practices at Alta Bates Summit Medical Center - Summit Campus in Oakland, California.
Dr. Nathan's NPI, 1013947670, was assigned on July 3, 2006. Dr. Nathan graduated from Warren Alpert Medical School of Brown University in 1976. Dr. Nathan holds California license G35395.
- NPI
- 1013947670NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Practice phone
- (510) 665-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark D. Nathan practices at Alta Bates Summit Medical Center - Summit Campus in Oakland, California
Dr. Nathan's primary practice is Alta Bates Summit Medical Center - Summit Campus, at 350 Hawthorne Ave, Oakland, CA 94609 in Alameda County. The practice phone is (510) 665-4000.
- Alta Bates Summit Medical Center - Summit Campus350 Hawthorne Ave, Oakland, CA 94609 · Alameda CountyPhone(510) 665-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark D. Nathan is affiliated with 2 sites of care and 2 medical groups
Dr. Nathan's primary practice is Alta Bates Summit Medical Center - Summit Campus in Oakland, California. Dmand AI also links Dr. Nathan to 2 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. Mark D. Nathan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nathan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alta Bates Summit Medical Center - Summit Campus | 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. Mark D. Nathan is one of 582 interventional cardiologists in California
Interventional cardiology is Dr. Nathan's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Nathan is licensed in California.
Specialties and state licenses
- Interventional cardiology, CaliforniaPrimary
Interventional cardiologists near Dr. Nathan
Counts of interventional cardiologists 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 D. Nathan billed Medicare for 3,743 services in 2021
CMS data shows 3,743 Medicare services from Dr. Nathan across 30 procedure codes in 2021. Medicare paid $329,172 for them.
Dr. Nathan's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Tests and treatments
- 2020: 1,5112021: 1,5331%
- Office and hospital visits
- 2020: 1,1102021: 99111%
- Drugs given in the office
- 2020: 7762021: 68012%
- Other services
- 2020: 4962021: 34830%
- Imaging
- 2020: 2042021: 17514%
- Surgery
- 2020: 242021: 1633%
Where Dr. Nathan's Medicare services took place, 2021
- In an office3,22786%
- In a facility51614%
Dr. Nathan compared with the California median for interventional cardiologists, 2021
- Dr. Nathan
- California median
- Medicare services
- 3,743vs 2,38757% above
- Part D claims
- 586vs 1,82668% below
Medians across 573 interventional cardiologists in California with Dmand AI profiles that report each measure.
Dr. Nathan's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nathan and other interventional cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark D. Nathan's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Nathan's median patient age at 78, with 33% women.
Dr. Nathan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Mark D. Nathan wrote 586 Medicare Part D claims in 2022
In 2022, Dr. Nathan wrote 586 Medicare Part D claims. They cover 21 drugs, with $155,326 in total drug cost. In 2021, CMS named 3,713 claims across 51 drugs.
Dr. Nathan's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 3,7132022: 58684%
Drugs named by CMS: 21 in 2022, 51 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark D. Nathan received $400,237 in industry payments from 2016 to 2021
CMS Open Payments shows 622 general payments to Dr. Nathan from 22 drug and device companies from 2016 to 2021. Speaker and faculty fees make up the largest share, 80% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $172,087.
General payments to Dr. Nathan by program year, 2016 to 2021
General payments to Dr. Nathan by kind, 2016 to 2021
- Speaker and faculty fees$320,39380%
- Travel and lodging$53,48913%
- Food and beverage$16,1204%
- Consulting fees$10,1253%
- Education$1100%
Companies that paid Dr. Nathan the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark D. Nathan graduated from Warren Alpert Medical School of Brown University
Dr. Nathan graduated from Warren Alpert Medical School of Brown University in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark D. Nathan'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 D. Nathan
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What is Dr. Mark D. Nathan's NPI number?
Dr. Mark D. Nathan's NPI number is 1013947670. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark D. Nathan?
Dr. Mark D. Nathan is an interventional cardiologist in Oakland, California. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Mark D. Nathan practice?
Dr. Nathan practices at 350 Hawthorne Ave, Oakland, CA 94609. Dr. Nathan's primary practice is Alta Bates Summit Medical Center - Summit Campus in Oakland, California. Dmand AI also links Dr. Nathan to 2 medical groups and 1 group practice or clinic.
What is Dr. Mark D. Nathan's office phone number?
The practice phone on file for Dr. Nathan is (510) 665-4000.
What is Dr. Mark D. Nathan's medical license number?
Dr. Nathan holds California license G35395.
Does Dr. Mark D. Nathan accept Medicare?
Yes. CMS data shows Dr. Nathan billed Medicare for 3,743 services in 2021.
What services does Dr. Mark D. Nathan bill to Medicare?
In 2021, Dr. Nathan's most billed Medicare services were injected or infused drug (J2785), medical supplies or transport (A9500) and heart test or procedure (93297).
Where did Dr. Mark D. Nathan go to medical school?
Dr. Nathan graduated from Warren Alpert Medical School of Brown University in 1976.
What drugs does Dr. Mark D. Nathan prescribe most?
In 2022 Medicare Part D data, Dr. Nathan's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Amlodipine Besylate.
Has Dr. Mark D. Nathan received payments from drug or device companies?
CMS Open Payments shows $400,237 in general payments to Dr. Nathan from 22 companies from 2016 to 2021. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Mark D. Nathan been practicing?
Dr. Nathan graduated from medical school in 1976, 50 years ago.
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