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Dr. Maria E. Samsonov, MD, MPH
NPI1598737025
- Medicare services, 2016
- 354
- Part D claims, 2024
- 939
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $23
- Practice address
- 1200 El Camino Real, South San Francisco, CA 94080
- Practice phone
- Call (650) 742-3200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Samsonov's professional email, personal email and mobile number
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Dr. Maria E. Samsonov is a nephrologist in South San Francisco, California
Dr. Samsonov practices at Kaiser Permanente South San Francisco Medical Center in South San Francisco, California, part of Kaiser Permanente.
Dr. Samsonov's NPI, 1598737025, was assigned on February 7, 2006. Dr. Samsonov graduated from University of Pittsburgh School of Medicine in 1998. Dr. Samsonov holds California license A91227.
NPI and contact details
- NPI
- 1598737025NPI Registry (opens in a new tab)
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Practice phone
- (650) 742-3200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Maria E. Samsonov practices at Kaiser Permanente South San Francisco Medical Center in South San Francisco, California
Dr. Samsonov's primary practice is Kaiser Permanente South San Francisco Medical Center, at 1200 El Camino Real, South San Francisco, CA 94080 in San Mateo County. The practice phone is (650) 742-3200.
- Kaiser Permanente South San Francisco Medical Center1200 El Camino Real, South San Francisco, CA 94080 · San Mateo CountyPhone(650) 742-3200
Source: Dmand AI Affiliation Data
Dr. Maria E. Samsonov is affiliated with 1 site of care and 1 medical group
Dr. Samsonov's primary practice is Kaiser Permanente South San Francisco Medical Center in South San Francisco, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria E. Samsonov's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Samsonov practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South San Francisco Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria E. Samsonov is one of 1,401 nephrologists in California
Nephrology is Dr. Samsonov's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Samsonov is board certified in geriatric medicine by the American Board of Internal Medicine. Dmand AI has Dr. Samsonov's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Pennsylvania license
Nephrologists near Dr. Samsonov
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
1,401nephrologists in California16nephrologists in South San Francisco15nephrologists at Kaiser Permanente South San Francisco Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maria E. Samsonov billed Medicare for 354 services in 2016
CMS data shows 354 Medicare services from Dr. Samsonov across 9 procedure codes in 2016. Medicare paid $22,046 for them. Every service was in an office.
Medicare services, 2016354
Paid by Medicare$22,046
Procedure codes9
Dr. Samsonov's Medicare services by type, 2016
- Office and hospital visits193
- Other services89
- Tests and treatments46
- Drugs given in the office26
Dr. Samsonov compared with the California median for nephrologists, 2016
- Dr. Samsonov
- California median
- Medicare services
- 354vs 1,08467% below
- Part D claims
- 530vs 95545% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Samsonov's most billed Medicare procedure codes, 2016
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. Samsonov?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Samsonov and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria E. Samsonov's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Dr. Samsonov's median patient age at 84, with 68% women.
Dr. Samsonov's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women68%
- Men31%
Source: Dmand AI Patient Panel Data
Dr. Maria E. Samsonov wrote 939 Medicare Part D claims in 2024
In 2024, Dr. Samsonov wrote 939 Medicare Part D claims for 180 patients. 89% of them were for generic drugs. CMS names the drug for 530 of them, across 24 drugs with 11 or more claims each, at $15,602 in total drug cost. In 2023, CMS named 261 claims across 14 drugs.
Part D claims, 2024939
Drugs named by CMS24
Total drug cost$15,602
Part D patients180
Dr. Samsonov's Part D claims by kind of drug, 2024
- Generic836 claims89%
- Brand-name and other103 claims11%
Dr. Samsonov'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. Samsonov's Part D claims, 2024
- Opioids4%33 of 939 claims
- Antibiotics2%16 of 939 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: 2612024: 530103%
Drugs named by CMS: 24 in 2024, 14 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
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Dr. Maria E. Samsonov has 1 publication on record
Dmand AI links 1 paper to Dr. Samsonov. Dr. Samsonov's most frequent co-author is Keith A. Dookeran.
Papers1
Dr. Samsonov's most frequent co-authors
Recent publications by Dr. Samsonov
See who Dr. Samsonov researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Samsonov works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maria E. Samsonov received $23 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Samsonov from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $23.
Companies that paid Dr. Samsonov 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. Maria E. Samsonov has 1 award and honors on record
Dmand AI lists 1 award for Dr. Samsonov.
Awards and honors for Dr. Samsonov
- Undated
- Compassionate Doctors
Source: Dmand AI Professional Profile Data
Dr. Maria E. Samsonov graduated from University of Pittsburgh School of Medicine
Dr. Samsonov graduated from University of Pittsburgh School of Medicine in 1998.
- Medical school
- Board certified in geriatric medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Maria E. Samsonov accepts plans from 3 insurance carriers
Dr. Samsonov is in network with 3 carriers, including Aetna, Elevance and Kaiser Permanente. EPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Kaiser Permanente
Plan types Dr. Samsonov accepts, by number of carriers
- EPO3
- HMO3
- POS2
- PPO2
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Maria E. Samsonov'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 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Maria E. Samsonov
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. Maria E. Samsonov's NPI number?
Dr. Maria E. Samsonov's NPI number is 1598737025. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria E. Samsonov?
Dr. Maria E. Samsonov is a nephrologist in South San Francisco, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Maria E. Samsonov practice?
Dr. Samsonov practices at 1200 El Camino Real, South San Francisco, CA 94080. Dr. Samsonov's primary practice is Kaiser Permanente South San Francisco Medical Center in South San Francisco, California, part of Kaiser Permanente.
What is Dr. Maria E. Samsonov's office phone number?
The practice phone on file for Dr. Samsonov is (650) 742-3200.
What is Dr. Maria E. Samsonov's medical license number?
Dr. Samsonov holds California license A91227, one of the licenses on file in 2 states.
Which states has Dr. Maria E. Samsonov been licensed in?
Dmand AI has state licenses on file for Dr. Samsonov in California (2005 to 2026) and Pennsylvania (1999 to 2006).
Which hospitals is Dr. Maria E. Samsonov affiliated with?
Dr. Samsonov practices at Kaiser Permanente South San Francisco Medical Center in South San Francisco, California.
What medical group is Dr. Maria E. Samsonov part of?
Dr. Samsonov is linked to The Permanente Medical Group, Inc.
Does Dr. Maria E. Samsonov accept Medicare?
Yes. CMS data shows Dr. Samsonov billed Medicare for 354 services in 2016.
Is Dr. Maria E. Samsonov board certified?
Yes. Dr. Samsonov is board certified in geriatric medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Maria E. Samsonov bill to Medicare?
In 2016, Dr. Samsonov's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0181).
Where did Dr. Maria E. Samsonov go to medical school?
Dr. Samsonov graduated from University of Pittsburgh School of Medicine in 1998.
What drugs does Dr. Maria E. Samsonov prescribe most?
In 2024 Medicare Part D data, Dr. Samsonov's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Furosemide.
Has Dr. Maria E. Samsonov received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Samsonov from 1 company from 2016 to 2016. The largest total came from Alkermes, Inc.
How long has Dr. Maria E. Samsonov been practicing?
Dr. Samsonov graduated from medical school in 1998, 28 years ago.
Does Dr. Maria E. Samsonov do research?
Dmand AI links 1 publication to Dr. Samsonov.
Who does Dr. Maria E. Samsonov publish with?
Dr. Samsonov's most frequent co-authors are Keith A. Dookeran (1 shared paper).
What insurance does Dr. Maria E. Samsonov accept?
Dr. Samsonov is in network with 3 carriers, including Aetna, Elevance and Kaiser Permanente. EPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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