Dr. Waseem Ahmad, MD

  • Vallejo, CA
  • Nephrologist
NPI1366520108PAC ID8426245127
Medicare services, 2024
77
Medicare patients, 2024
31
Part D claims, 2024
972
Publications
12
Hospital affiliations
3
Practice address
975 Sereno Dr, Vallejo, CA 94589
Practice phone
Call (707) 651-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

See all 7 affiliations

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Dr. Waseem Ahmad is a nephrologist in Vallejo, California

Dr. Ahmad practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.

Dr. Ahmad's NPI, 1366520108, was assigned on November 1, 2006. Dr. Ahmad graduated from Other in 2001. Dr. Ahmad holds California license A73846.

NPI and contact details
Medicare PAC ID
8426245127
NPI enumeration date
November 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 651-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Waseem Ahmad practices at Vallejo Medical Center in Vallejo, California

Dr. Ahmad's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.

Source: Dmand AI Affiliation Data

Dr. Waseem Ahmad is affiliated with 5 sites of care and 2 medical groups

Dr. Ahmad's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Ahmad is also affiliated with Providence Queen of the Valley Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ahmad to 1 more hospital, 1 home health agency, 1 hospice and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Ahmad

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Waseem Ahmad's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahmad practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Waseem Ahmad is one of 1,401 nephrologists in California

Nephrology is Dr. Ahmad's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ahmad is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ahmad's licenses on file in 3 states: California, Louisiana and Connecticut.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A73846 · 2001 to 2026 · taxonomy 207RN0300X
  • Louisiana license1996 to 2001
  • Connecticut license1995 to 1997

Clinical focus

Dmand AI lists chronic kidney disease among the conditions Dr. Ahmad treats.

Nephrologists near Dr. Ahmad

Counts of nephrologists 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. Waseem Ahmad billed Medicare for 77 services in 2024

CMS data shows 77 Medicare services from Dr. Ahmad across 1 procedure code in 2024, for 31 Medicare patients. Medicare paid $5,137 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202477
Medicare patients31
Paid by Medicare$5,137
Procedure codes1

Dr. Ahmad's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 652024: 7718%

Dr. Ahmad compared with the California median for nephrologists, 2024

  • Dr. Ahmad
  • California median
Medicare services
77vs 1,08493% below
Medicare patients
31vs 30790% below
Part D claims
800vs 95516% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Ahmad'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.

See all procedures by Dr. Ahmad

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Waseem Ahmad treated 31 Medicare patients in 2024, average age 64

CMS counts 31 Medicare patients who saw Dr. Ahmad in 2024. The largest group is under 65, with 15 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 48% are also on Medicaid. Their average risk score is 6.51, 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. Ahmad's median patient age at 67, with 43% women.

Medicare patients, 202431
Average age64
Average risk score6.51
Also on Medicaid48%

Dr. Ahmad's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Ahmad's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Heart failure65%
  6. Ischemic heart disease55%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ahmad's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women43%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Waseem Ahmad wrote 972 Medicare Part D claims in 2024

In 2024, Dr. Ahmad wrote 972 Medicare Part D claims for 232 patients. 91% of them were for generic drugs. CMS names the drug for 800 of them, across 21 drugs with 11 or more claims each, at $70,810 in total drug cost. In 2023, CMS named 688 claims across 17 drugs.

Part D claims, 2024972
Drugs named by CMS21
Total drug cost$70,810
Part D patients232

Dr. Ahmad's Part D claims by kind of drug, 2024

  • Generic883 claims91%
  • Brand-name89 claims9%

Dr. Ahmad'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. Ahmad's Part D claims, 2024

  • Antibiotics1%14 of 972 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: 6882024: 80016%

Drugs named by CMS: 21 in 2024, 17 in 2023.

See all prescribing by Dr. Ahmad

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. Waseem Ahmad takes part in Medicare

Dr. Ahmad 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. Waseem Ahmad has 12 publications on record

Dmand AI links 12 papers to Dr. Ahmad, published from 2010 to 2025. 2023 was the busiest year, with 2. The most frequent topics are Anti-Bacterial Agents, Catalysis and Nanoparticles. Dr. Ahmad's most frequent co-authors are Waseem Ahmad, MD, Gobind S. Anand and Daniel Lee Bouland, MD.

Papers12
Years published2010 to 2025

Dr. Ahmad's papers by year, 2010 to 2025

Topics Dr. Ahmad writes about most

  • Anti-Bacterial Agents
  • Catalysis
  • Nanoparticles
  • Coloring Agents
  • Escherichia coli
  • Stents
  • Titanium
  • Wastewater

Dr. Ahmad's most frequent co-authors

Recent publications by Dr. Ahmad

See all 12 publications and co-authors

See who Dr. Ahmad researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ahmad works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Waseem Ahmad received $690 in industry payments from 2019 to 2025

CMS Open Payments shows 10 general payments to Dr. Ahmad from 6 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. FUJIFILM Healthcare Americas Corporation paid the most, $282.

General payments to Dr. Ahmad by program year, 2019 to 2025

Companies that paid Dr. Ahmad the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ahmad

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Waseem Ahmad has 1 award and honors on record

Dmand AI lists 1 award for Dr. Ahmad, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Ahmad

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Waseem Ahmad graduated from Other

Dr. Ahmad graduated from Other in 2001.

  1. Medical schoolOther
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Waseem Ahmad accepts plans from 2 insurance carriers

Dr. Ahmad is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Ahmad accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Waseem Ahmad's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Waseem Ahmad

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. Waseem Ahmad's NPI number?

Dr. Waseem Ahmad's NPI number is 1366520108. It was assigned on November 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Waseem Ahmad?

Dr. Waseem Ahmad is a nephrologist in Vallejo, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Waseem Ahmad practice?

Dr. Ahmad practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Ahmad's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Ahmad to 1 hospital, 1 home health agency, 1 hospice and 1 medical group.

What is Dr. Waseem Ahmad's office phone number?

The practice phone on file for Dr. Ahmad is (707) 651-1000.

What is Dr. Waseem Ahmad's medical license number?

Dr. Ahmad holds California license A73846, one of the licenses on file in 3 states.

Which states has Dr. Waseem Ahmad been licensed in?

Dmand AI has state licenses on file for Dr. Ahmad in California (2001 to 2026), Louisiana (1996 to 2001) and Connecticut (1995 to 1997).

Which hospitals is Dr. Waseem Ahmad affiliated with?

Dr. Ahmad practices at Vallejo Medical Center in Vallejo, California. Dr. Ahmad is also affiliated with Providence Queen of the Valley Medical Center. Dmand AI links Dr. Ahmad to 1 more hospital.

What medical group is Dr. Waseem Ahmad part of?

Dr. Ahmad is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Ahmad to 1 more medical group.

Does Dr. Waseem Ahmad accept Medicare?

Yes. CMS data shows Dr. Ahmad billed Medicare for 77 services in 2024, and Dr. Ahmad accepts Medicare assignment.

How many Medicare patients does Dr. Waseem Ahmad see?

CMS counts 31 Medicare patients who saw Dr. Ahmad in 2024, with an average age of 64.

Show 9 more questionsShow fewer questions

Is Dr. Waseem Ahmad board certified?

Yes. Dr. Ahmad is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Waseem Ahmad bill to Medicare?

In 2024, Dr. Ahmad's most billed Medicare services were hospital inpatient care (99232).

Where did Dr. Waseem Ahmad go to medical school?

Dr. Ahmad graduated from Other in 2001.

What drugs does Dr. Waseem Ahmad prescribe most?

In 2024 Medicare Part D data, Dr. Ahmad's most prescribed drugs by claims were Calcitriol, Losartan Potassium and Allopurinol.

Has Dr. Waseem Ahmad received payments from drug or device companies?

CMS Open Payments shows $690 in general payments to Dr. Ahmad from 6 companies from 2019 to 2025. The largest total came from FUJIFILM Healthcare Americas Corporation.

How long has Dr. Waseem Ahmad been practicing?

Dr. Ahmad graduated from medical school in 2001, 25 years ago.

Does Dr. Waseem Ahmad do research?

Dmand AI links 12 publications to Dr. Ahmad, published from 2010 to 2025.

Who does Dr. Waseem Ahmad publish with?

Dr. Ahmad's most frequent co-authors are Waseem Ahmad, MD (2 shared papers), Gobind S. Anand (1 shared paper) and Daniel Lee Bouland, MD (1 shared paper).

What insurance does Dr. Waseem Ahmad accept?

Dr. Ahmad is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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