Dr. Graham Edwin Abra, MD

  • Redwood City, CA
  • Nephrologist
NPI1760644678PAC ID2961559075
Medicare services, 2024
968
Medicare patients, 2024
308
Part D claims, 2024
989
Publications
35
Clinical trials
1
Practice address
1100 Veterans Boulevard, Redwood City, CA 94063
Practice phone
Call (650) 299-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Redwood City Medical Center

Hospital · Redwood City, California

See all 9 affiliations

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Dr. Graham Edwin Abra is a nephrologist in Redwood City, California

Dr. Abra practices at Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente.

Dr. Abra's NPI, 1760644678, was assigned on July 1, 2008. Dr. Abra graduated from UC San Diego School of Medicine in 2006. Dr. Abra's California license number on file is A102026.

NPI and contact details
Medicare PAC ID
2961559075
NPI enumeration date
July 1, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 299-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
2006

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

Dr. Graham Edwin Abra practices at Redwood City Medical Center in Redwood City, California

Dr. Abra's primary practice is Redwood City Medical Center, at 1100 Veterans Boulevard, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.

Source: Dmand AI Affiliation Data

Dr. Graham Edwin Abra is affiliated with 6 sites of care and 3 medical groups

Dr. Abra's primary practice is Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente. Dr. Abra is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Abra to 1 more hospital, 3 dialysis centers and 2 medical groups, each named with a free account.

See all 9 affiliations for Dr. Abra

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

Dmand AI tracks the EHR system at Dr. Graham Edwin Abra's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abra practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Redwood City Medical CenterAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Graham Edwin Abra is one of 1,401 nephrologists in California

Nephrology is Dr. Abra's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Abra is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Abra's licenses on file in 2 states: California and Tennessee.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A102026 · 2007 to 2025 · taxonomy 207RN0300X
  • Tennessee license2021 to 2023

Clinical focus

Dmand AI lists acute kidney failure, chronic kidney disease, fluid and electrolyte imbalances, kidney disease and parathyroid gland disorder among the conditions Dr. Abra treats.

Nephrologists near Dr. Abra

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. Graham Edwin Abra billed Medicare for 968 services in 2024

CMS data shows 968 Medicare services from Dr. Abra across 11 procedure codes in 2024, for 308 Medicare patients. Medicare paid $99,136 for them.

Medicare services, 2024968
Medicare patients308
Paid by Medicare$99,136
Procedure codes11

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

  • 2023
  • 2024
Office and hospital visits
2023: 3362024: 766128%
Other services
2023: 02024: 149
Tests and treatments
2023: 362024: 5347%

Where Dr. Abra's Medicare services took place, 2024

  • In an office28830%
  • In a facility68070%

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

  • Dr. Abra
  • California median
Medicare services
968vs 1,08411% below
Medicare patients
308vs 307Close to median
Part D claims
808vs 95515% below

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

Dr. Abra'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. Abra

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Abra and other nephrologists in California.

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

Dr. Graham Edwin Abra treated 308 Medicare patients in 2024, average age 71

CMS counts 308 Medicare patients who saw Dr. Abra in 2024. The largest group is 75 to 84, with 104 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 44% are also on Medicaid. Their average risk score is 4.93, 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. Abra's median patient age at 61, with 48% women.

Medicare patients, 2024308
Average age71
Average risk score4.93
Also on Medicaid44%

Dr. Abra's Medicare patients by age, 2024

Dr. Abra's Medicare patients by sex, 2024

  • Women15450%
  • Men15450%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes62%
  5. Heart failure49%
  6. Ischemic heart disease48%
  7. Atrial fibrillation37%
  8. Arthritis32%

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

Dr. Abra's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Dr. Graham Edwin Abra wrote 989 Medicare Part D claims in 2024

In 2024, Dr. Abra wrote 989 Medicare Part D claims for 138 patients. 72% of them were for generic drugs. CMS names the drug for 808 of them, across 30 drugs with 11 or more claims each, at $256,567 in total drug cost. In 2023, CMS named 317 claims across 15 drugs.

Part D claims, 2024989
Drugs named by CMS30
Total drug cost$256,567
Part D patients138

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

  • Generic716 claims72%
  • Brand-name273 claims28%

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

  • Opioids1%12 of 989 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: 3172024: 808155%

Drugs named by CMS: 30 in 2024, 15 in 2023.

See all prescribing by Dr. Abra

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. Graham Edwin Abra offers telehealth to Medicare patients

Dr. Abra accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Abra as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Graham Edwin Abra has 35 publications on record

Dmand AI links 35 papers to Dr. Abra, published from 2019 to 2025. 2021 was the busiest year, with 9. The most frequent topics are Kidney Failure, Chronic, Renal Dialysis and Hemodialysis, Home. Dr. Abra has published most often in Perit Dial Int. Dr. Abra's most frequent co-authors are Glenn Matthew Chertow, MD, Michael A. Aragon, MD and Shuchi Md Anand, MD.

Papers35
Years published2019 to 2025

Dr. Abra's papers by year, 2019 to 2025

Topics Dr. Abra writes about most

  • Kidney Failure, Chronic
  • Renal Dialysis
  • Hemodialysis, Home
  • Peritoneal Dialysis
  • COVID-19
  • Nephrologists
  • SARS-CoV-2
  • Antibodies, Viral

Dr. Abra's most frequent co-authors

Recent publications by Dr. Abra

See all 35 publications and co-authors

See who Dr. Abra researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Abra 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. Graham Edwin Abra has worked on 1 clinical trial

Dmand AI links Dr. Abra to 1 clinical trial.

Recent clinical trials with Dr. Abra

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Graham Edwin Abra received $26,125 in industry payments from 2016 to 2025

CMS Open Payments shows 54 general payments to Dr. Abra from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 72% of the total. Akebia Therapeutics Inc paid the most, $6,040.

General payments to Dr. Abra by program year, 2016 to 2025

General payments to Dr. Abra by kind, 2016 to 2025

$26.1Kin total
  • Consulting fees$18,91872%
  • Travel and lodging$4,07216%
  • Food and beverage$2,63410%
  • Compensation for serving as faculty or as a speaker for a medical education program$4502%
  • Other$520%

Companies that paid Dr. Abra the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Abra

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

Dr. Graham Edwin Abra graduated from UC San Diego School of Medicine

Dr. Abra graduated from UC San Diego School of Medicine in 2006.

  1. Medical schoolUC San Diego School of Medicine
  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. Graham Edwin Abra accepts plans from 8 insurance carriers

Dr. Abra is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Abra accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Graham Edwin Abra'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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Graham Edwin Abra

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. Graham Edwin Abra's NPI number?

Dr. Graham Edwin Abra's NPI number is 1760644678. It was assigned on July 1, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Graham Edwin Abra?

Dr. Graham Edwin Abra is a nephrologist in Redwood City, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Graham Edwin Abra practice?

Dr. Abra practices at 1100 Veterans Boulevard, Redwood City, CA 94063. Dr. Abra's primary practice is Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente. Dmand AI also links Dr. Abra to 1 hospital, 3 dialysis centers and 2 medical groups.

What is Dr. Graham Edwin Abra's office phone number?

The practice phone on file for Dr. Abra is (650) 299-2000.

What is Dr. Graham Edwin Abra's medical license number?

Dr. Abra's California license number on file is A102026, one of the licenses on file in 2 states.

Which states has Dr. Graham Edwin Abra been licensed in?

Dmand AI has state licenses on file for Dr. Abra in California (2007 to 2025) and Tennessee (2021 to 2023).

Which hospitals is Dr. Graham Edwin Abra affiliated with?

Dr. Abra practices at Redwood City Medical Center in Redwood City, California. Dr. Abra is also affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Dr. Abra to 1 more hospital.

What medical group is Dr. Graham Edwin Abra part of?

Dr. Abra is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Abra to 2 more medical groups.

Does Dr. Graham Edwin Abra accept Medicare?

Yes. CMS data shows Dr. Abra billed Medicare for 968 services in 2024, and Dr. Abra accepts Medicare assignment.

Does Dr. Graham Edwin Abra offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Abra as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Graham Edwin Abra see?

CMS counts 308 Medicare patients who saw Dr. Abra in 2024, with an average age of 71.

Is Dr. Graham Edwin Abra board certified?

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

What services does Dr. Graham Edwin Abra bill to Medicare?

In 2024, Dr. Abra's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99215) and medicare service (G2211).

Where did Dr. Graham Edwin Abra go to medical school?

Dr. Abra graduated from UC San Diego School of Medicine in 2006.

What drugs does Dr. Graham Edwin Abra prescribe most?

In 2024 Medicare Part D data, Dr. Abra's most prescribed drugs by claims were Losartan Potassium, Farxiga and Atorvastatin Calcium.

Has Dr. Graham Edwin Abra received payments from drug or device companies?

CMS Open Payments shows $26,125 in general payments to Dr. Abra from 14 companies from 2016 to 2025. The largest total came from Akebia Therapeutics Inc.

How long has Dr. Graham Edwin Abra been practicing?

Dr. Abra graduated from medical school in 2006, 20 years ago.

Does Dr. Graham Edwin Abra do research?

Dmand AI links 35 publications to Dr. Abra, published from 2019 to 2025. Dr. Abra has worked on 1 clinical trial.

Who does Dr. Graham Edwin Abra publish with?

Dr. Abra's most frequent co-authors are Glenn Matthew Chertow, MD (7 shared papers), Michael A. Aragon, MD (3 shared papers) and Shuchi Md Anand, MD (2 shared papers).

What insurance does Dr. Graham Edwin Abra accept?

Dr. Abra is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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