Dr. Rajeev Attam, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Attam's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1184694309NPI Registry (opens in a new tab)
- 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 Center9333 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.
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.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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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, CaliforniaPrimary
- Minnesota license
- Connecticut license
- Pennsylvania license
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.
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.
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.
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.
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
- Mustafa Atiq Arain, MD22 shared papers
- Martin L. Freeman, MD18 shared papers
- Guru Vythia Ganapathy Trikudanathan, MD10 shared papers
Recent publications by Dr. Attam
Gastrointest Endosc
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.
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
- 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.
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
- 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.
- Medical school
- Board certified in gastroenterology
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
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rajeev Attam'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 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)Doctors and Clinicians Utilization Data (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. 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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