BMC Nephrol
Acute Kidney InjuryGlomerular Filtration RateProteinuria
Dr. Warda Zaman, DO
NPI1336534585PAC ID4385074897
- Medicare services, 2024
- 1,741
- Medicare patients, 2024
- 430
- Part D claims, 2024
- 706
- Publications
- 2
- Hospital affiliations
- 5
- Practice address
- 97 San Marin Dr, Novato, CA 94945
- Practice phone
- Call (415) 453-4437
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Rafael Dialysis
Novato, California
Find Dr. Zaman's professional email, personal email and mobile number
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Dr. Warda Zaman is a nephrologist in Novato, California
Dr. Zaman practices at San Rafael Dialysis in Novato, California.
Dr. Zaman's NPI, 1336534585, was assigned on April 4, 2015. Dr. Zaman graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2015. Dr. Zaman holds California license 20A16455.
NPI and contact details
- NPI
- 1336534585NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385074897
- NPI enumeration date
- April 4, 2015
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (415) 453-4437
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Warda Zaman practices at San Rafael Dialysis in Novato, California
Dr. Zaman's primary practice is San Rafael Dialysis, at 97 San Marin Dr, Novato, CA 94945 in Marin County. The practice phone is (415) 453-4437.
- San Rafael Dialysis97 San Marin Dr, Novato, CA 94945 · Marin CountyPhone(415) 453-4437
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Warda Zaman is affiliated with 9 sites of care and 2 medical groups
Dr. Zaman's primary practice is San Rafael Dialysis in Novato, California. Dr. Zaman is also affiliated with Novato Community Hospital. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Zaman to 4 more hospitals, 2 dialysis centers, 1 group practice or clinic and 1 medical group, each named with a free account.
San Rafael DialysisPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Warda Zaman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zaman practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Rafael Dialysis | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Warda Zaman is one of 1,401 nephrologists in California
Nephrology is Dr. Zaman's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Zaman is board certified in internal medicine by the American Board of Internal Medicine. Dr. Zaman is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Zaman treats.
Nephrologists near Dr. Zaman
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
1,401nephrologists in California
4nephrologists in Novato
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Warda Zaman billed Medicare for 1,741 services in 2024
CMS data shows 1,741 Medicare services from Dr. Zaman across 15 procedure codes in 2024, for 430 Medicare patients. Medicare paid $141,819 for them.
Medicare services, 20241,741
Medicare patients430
Paid by Medicare$141,819
Procedure codes15
Dr. Zaman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5742024: 82544%
- Other services
- 2023: 02024: 685
- Tests and treatments
- 2023: 2532024: 2319%
Where Dr. Zaman's Medicare services took place, 2024
- In an office1,21770%
- In a facility52430%
Dr. Zaman compared with the California median for nephrologists, 2024
- Dr. Zaman
- California median
- Medicare services
- 1,741vs 1,08461% above
- Medicare patients
- 430vs 30740% above
- Part D claims
- 477vs 95550% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Zaman'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zaman and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Warda Zaman treated 430 Medicare patients in 2024, average age 75
CMS counts 430 Medicare patients who saw Dr. Zaman in 2024. The largest group is 75 to 84, with 181 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 39% are also on Medicaid. Their average risk score is 4.27, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zaman's median patient age at 72, with 44% women.
Medicare patients, 2024430
Average age75
Average risk score4.27
Also on Medicaid39%
Dr. Zaman's Medicare patients by age, 2024
Dr. Zaman's Medicare patients by sex, 2024
- Women19445%
- Men23655%
Chronic conditions among Dr. Zaman's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Heart failure48%
- Ischemic heart disease47%
- Arthritis44%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zaman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Warda Zaman wrote 706 Medicare Part D claims in 2024
In 2024, Dr. Zaman wrote 706 Medicare Part D claims for 213 patients. 84% of them were for generic drugs. CMS names the drug for 477 of them, across 18 drugs with 11 or more claims each, at $90,297 in total drug cost. In 2023, CMS named 433 claims across 17 drugs.
Part D claims, 2024706
Drugs named by CMS18
Total drug cost$90,297
Part D patients213
Dr. Zaman's Part D claims by kind of drug, 2024
- Generic595 claims84%
- Brand-name and other111 claims16%
Dr. Zaman'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. Zaman's Part D claims, 2024
- Antibiotics2%12 of 706 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: 4332024: 47710%
Drugs named by CMS: 18 in 2024, 17 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
Dr. Warda Zaman offers telehealth to Medicare patients
CMS lists Dr. Zaman as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Warda Zaman has 2 publications on record
Dmand AI links 2 papers to Dr. Zaman, published from 2007 to 2023. Dr. Zaman's most frequent co-authors are Saniya Bonde and Rakesh Malhotra, MD, MPH.
Papers2
Years published2007 to 2023
Dr. Zaman's most frequent co-authors
Recent publications by Dr. Zaman
Amino Acids, AromaticAmyloidIslet Amyloid Polypeptide
See who Dr. Zaman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zaman 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. Warda Zaman received $699 in industry payments from 2020 to 2025
CMS Open Payments shows 16 general payments to Dr. Zaman from 9 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $375.
General payments to Dr. Zaman by program year, 2020 to 2025
General payments to Dr. Zaman by kind, 2020 to 2025
$699in total
- Food and beverage$68298%
- Education$172%
Companies that paid Dr. Zaman the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Warda Zaman has 1 award and honors on record
Dmand AI lists 1 award for Dr. Zaman, most recently RPA public policy fellow in 2023.
Awards and honors for Dr. Zaman
- 2023
- RPA public policy fellow
Source: Dmand AI Professional Profile Data
Dr. Warda Zaman graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury
Dr. Zaman graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2015. Dr. Zaman is a member of AMA, ASN and Renal physicians association RPA.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Warda Zaman accepts plans from 9 insurance carriers
Dr. Zaman is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- +1 more carriersWith a free account
Plan types Dr. Zaman accepts, by number of carriers
- Medicare8
- PPO7
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Warda Zaman'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 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) |
| 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. Warda Zaman
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. Warda Zaman's NPI number?
Dr. Warda Zaman's NPI number is 1336534585. It was assigned on April 4, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Warda Zaman?
Dr. Warda Zaman is a nephrologist in Novato, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Warda Zaman practice?
Dr. Zaman practices at 97 San Marin Dr, Novato, CA 94945. Dr. Zaman's primary practice is San Rafael Dialysis in Novato, California. Dmand AI also links Dr. Zaman to 4 hospitals, 2 dialysis centers, 1 group practice or clinic and 1 medical group.
What is Dr. Warda Zaman's office phone number?
The practice phone on file for Dr. Zaman is (415) 453-4437.
What is Dr. Warda Zaman's medical license number?
Dr. Zaman holds California license 20A16455.
Which hospitals is Dr. Warda Zaman affiliated with?
Dr. Zaman is affiliated with Novato Community Hospital. Dmand AI links Dr. Zaman to 4 more hospitals.
What medical group is Dr. Warda Zaman part of?
Dr. Zaman is linked to UCSF Medical Group. Dmand AI links Dr. Zaman to 1 more medical group.
Does Dr. Warda Zaman accept Medicare?
Yes. CMS data shows Dr. Zaman billed Medicare for 1,741 services in 2024.
Does Dr. Warda Zaman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zaman as offering telehealth services.
How many Medicare patients does Dr. Warda Zaman see?
CMS counts 430 Medicare patients who saw Dr. Zaman in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Warda Zaman board certified?
Yes. Dr. Zaman is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Warda Zaman bill to Medicare?
In 2024, Dr. Zaman's most billed Medicare services were medicare temporary code (Q5106), hospital inpatient care (99232) and medicare service (G2211).
Where did Dr. Warda Zaman go to medical school?
Dr. Zaman graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2015.
What drugs does Dr. Warda Zaman prescribe most?
In 2024 Medicare Part D data, Dr. Zaman's most prescribed drugs by claims were Losartan Potassium, Furosemide and Amlodipine Besylate.
Has Dr. Warda Zaman received payments from drug or device companies?
CMS Open Payments shows $699 in general payments to Dr. Zaman from 9 companies from 2020 to 2025. The largest total came from Amgen Inc.
How long has Dr. Warda Zaman been practicing?
Dr. Zaman graduated from medical school in 2015, 11 years ago.
Does Dr. Warda Zaman do research?
Dmand AI links 2 publications to Dr. Zaman, published from 2007 to 2023.
Who does Dr. Warda Zaman publish with?
Dr. Zaman's most frequent co-authors are Saniya Bonde (1 shared paper) and Rakesh Malhotra, MD, MPH (1 shared paper).
What insurance does Dr. Warda Zaman accept?
Dr. Zaman is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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