Dr. Rajeev Attam, MD

  • Downey, CA
  • Gastroenterologist
NPI1184694309PAC ID0345344966
Medicare patients, 2024
12
Part D claims, 2024
441
Publications
36
Clinical trials
1
Hospital affiliations
1
Practice address
9333 Imperial Highway, Downey, CA 90242
Practice phone
Call (562) 461-6007
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Downey Medical Center

Hospital · Downey, California

See all 4 affiliations

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Dr. Rajeev Attam is a gastroenterologist in Downey, California

Dr. Attam practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.

Dr. Attam's NPI, 1184694309, was assigned on January 23, 2006. Dr. Attam graduated from Delhi University College of Medical Sciences in 1994. Dr. Attam's California license number on file is C128014.

NPI and contact details
Medicare PAC ID
0345344966
NPI enumeration date
January 23, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 461-6007
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Rajeev Attam practices at Downey Medical Center in Downey, California

Dr. Attam's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.

  • Downey Medical Center
    9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007

Source: Dmand AI Affiliation Data

Dr. Rajeev Attam is affiliated with 3 sites of care and 1 medical group

Dr. Attam's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Attam to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Attam

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

Dmand AI tracks the EHR system at Dr. Rajeev Attam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Attam practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Downey Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Attam practices

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Dr. Rajeev Attam is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Attam's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Attam is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Attam's licenses on file in 4 states: California, Minnesota, Connecticut and Pennsylvania.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense C128014 · 2013 to 2025 · taxonomy 207RG0100X
  • Minnesota licenseLicense 51320 · 2008 to 2016
  • Connecticut license2002 to 2010
  • Pennsylvania license2002

Gastroenterologists near Dr. Attam

Counts of gastroenterologists 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. Rajeev Attam treated 12 Medicare patients in 2024, average age 67

CMS counts 12 Medicare patients who saw Dr. Attam in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 2.03, 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. Attam's median patient age at 62, with 60% women.

Medicare patients, 202412
Average age67
Average risk score2.03

Dr. Attam's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Attam's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women60%
  • Men40%

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

Dr. Rajeev Attam wrote 441 Medicare Part D claims in 2024

In 2024, Dr. Attam wrote 441 Medicare Part D claims for 321 patients. 96% of them were for generic drugs. CMS names the drug for 361 of them, across 6 drugs with 11 or more claims each, at $12,337 in total drug cost. In 2023, CMS named 330 claims across 5 drugs.

Part D claims, 2024441
Drugs named by CMS6
Total drug cost$12,337
Part D patients321

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

  • Generic425 claims96%
  • Brand-name16 claims4%

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

  • Antibiotics8%35 of 441 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: 3302024: 3619%

Drugs named by CMS: 6 in 2024, 5 in 2023.

See all prescribing by Dr. Attam

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. Rajeev Attam takes part in Medicare

Dr. Attam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Rajeev Attam has 36 publications on record

Dmand AI links 36 papers to Dr. Attam, published from 2010 to 2018. 2014 was the busiest year, with 10. The most frequent topics are Cholangiopancreatography, Endoscopic Retrograde, Endosonography and Endoscopy, Digestive System. Dr. Attam has published most often in Gastrointest Endosc. Dr. Attam's most frequent co-authors are Mustafa Atiq Arain, MD, Martin L. Freeman, MD and Guru Vythia Ganapathy Trikudanathan, MD.

Papers36
Years published2010 to 2018

Dr. Attam's papers by year, 2010 to 2018

Topics Dr. Attam writes about most

  • Cholangiopancreatography, Endoscopic Retrograde
  • Endosonography
  • Endoscopy, Digestive System
  • Stents
  • Pancreatitis, Acute Necrotizing
  • Endoscopic Ultrasound-Guided Fine Needle Aspiration
  • Drainage
  • Gastrostomy

Dr. Attam's most frequent co-authors

Recent publications by Dr. Attam

See all 36 publications and co-authors

See who Dr. Attam researches with

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

How network discovery works

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

Dr. Rajeev Attam has worked on 1 clinical trial

Dmand AI links Dr. Attam to 1 clinical trial. Conditions studied include Sarcoidosis and Hypersensitivity, Delayed.

Conditions in Dr. Attam's trials

  • Sarcoidosis
  • Hypersensitivity, Delayed

Recent clinical trials with Dr. Attam

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

Dr. Rajeev Attam received $5,742 in industry payments from 2016 to 2025

CMS Open Payments shows 75 general payments to Dr. Attam from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 53% of the total. Olympus Corporation of the Americas paid the most, $2,692.

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

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

$5.7Kin total
  • Food and beverage$3,07053%
  • Travel and lodging$2,53644%
  • Grants$1102%
  • Education$260%

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

Share is of all general payments to this clinician.

See all payments to Dr. Attam

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

Dr. Rajeev Attam has 1 award and honors on record

Dmand AI lists 1 award for Dr. Attam, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Attam

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Rajeev Attam graduated from Delhi University College of Medical Sciences

Dr. Attam graduated from Delhi University College of Medical Sciences in 1994.

  1. Medical schoolDelhi University College of Medical Sciences
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Rajeev Attam accepts plans from 2 insurance carriers

Dr. Attam is in network with 2 carriers, including CMS Medicare and WI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare
  • WI State Medicaid

Plan types Dr. Attam accepts, by number of carriers

  1. Medicaid1
  2. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. Rajeev Attam'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 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)Doctors and Clinicians Utilization Data (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)
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. Rajeev Attam

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. Rajeev Attam's NPI number?

Dr. Rajeev Attam's NPI number is 1184694309. It was assigned on January 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Rajeev Attam?

Dr. Rajeev Attam is a gastroenterologist in Downey, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Rajeev Attam practice?

Dr. Attam practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Attam's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Attam to 1 breast imaging center and 1 group practice or clinic.

What is Dr. Rajeev Attam's office phone number?

The practice phone on file for Dr. Attam is (562) 461-6007.

What is Dr. Rajeev Attam's medical license number?

Dr. Attam's California license number on file is C128014, one of the licenses on file in 4 states.

Which states has Dr. Rajeev Attam been licensed in?

Dmand AI has state licenses on file for Dr. Attam in California (2013 to 2025), Minnesota (2008 to 2016), Connecticut (2002 to 2010) and Pennsylvania (2002).

Which hospitals is Dr. Rajeev Attam affiliated with?

Dr. Attam practices at Downey Medical Center in Downey, California.

What medical group is Dr. Rajeev Attam part of?

Dr. Attam is linked to Southern California Permanente Medical Group.

Does Dr. Rajeev Attam accept Medicare?

Yes. CMS lists Dr. Attam as accepting Medicare assignment.

How many Medicare patients does Dr. Rajeev Attam see?

CMS counts 12 Medicare patients who saw Dr. Attam in 2024, with an average age of 67.

Show 8 more questionsShow fewer questions

Is Dr. Rajeev Attam board certified?

Yes. Dr. Attam is board certified in gastroenterology by the American Board of Internal Medicine.

Where did Dr. Rajeev Attam go to medical school?

Dr. Attam graduated from Delhi University College of Medical Sciences in 1994.

What drugs does Dr. Rajeev Attam prescribe most?

In 2024 Medicare Part D data, Dr. Attam's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Pantoprazole Sodium.

Has Dr. Rajeev Attam received payments from drug or device companies?

CMS Open Payments shows $5,742 in general payments to Dr. Attam from 8 companies from 2016 to 2025. The largest total came from Olympus Corporation of the Americas.

How long has Dr. Rajeev Attam been practicing?

Dr. Attam graduated from medical school in 1994, 32 years ago.

Does Dr. Rajeev Attam do research?

Dmand AI links 36 publications to Dr. Attam, published from 2010 to 2018. Dr. Attam has worked on 1 clinical trial.

Who does Dr. Rajeev Attam publish with?

Dr. Attam's most frequent co-authors are Mustafa Atiq Arain, MD (22 shared papers), Martin L. Freeman, MD (18 shared papers) and Guru Vythia Ganapathy Trikudanathan, MD (10 shared papers).

What insurance does Dr. Rajeev Attam accept?

Dr. Attam is in network with 2 carriers, including CMS Medicare and WI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

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