Clin Gastroenterol Hepatol
NivolumabPancreatitis, Chronic
Dr. Daniel S. Seid, MD
NPI1053470658PAC ID9931261609
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 560
- Publications
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Seid's professional email, personal email and mobile number
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Dr. Daniel S. Seid is a gastroenterologist in Fontana, California
Dr. Seid practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Seid's NPI, 1053470658, was assigned on December 8, 2006. Dr. Seid graduated from Saint Louis University School Of Medicine in 1987. Dr. Seid holds California license G65516.
NPI and contact details
- NPI
- 1053470658NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931261609
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel S. Seid practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Seid's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Daniel S. Seid is affiliated with 1 site of care and 1 medical group
Dr. Seid's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group.
Kaiser Permanente - Fontana Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Daniel S. Seid's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seid practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel S. Seid is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Seid's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Seid is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Seid is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Seid
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. Daniel S. Seid treated 11 Medicare patients in 2024, average age 64
CMS counts 11 Medicare patients who saw Dr. Seid in 2024. The largest group is 75 to 84, with 0 patients. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Seid's median patient age at 59, with 64% women.
Medicare patients, 202411
Average age64
Average risk score1.17
Dr. Seid's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Seid's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel S. Seid wrote 560 Medicare Part D claims in 2024
In 2024, Dr. Seid wrote 560 Medicare Part D claims for 288 patients. 89% of them were for generic drugs. CMS names the drug for 442 of them, across 10 drugs with 11 or more claims each, at $81,231 in total drug cost. In 2023, CMS named 399 claims across 8 drugs.
Part D claims, 2024560
Drugs named by CMS10
Total drug cost$81,231
Part D patients288
Dr. Seid's Part D claims by kind of drug, 2024
- Generic501 claims89%
- Brand-name59 claims11%
Dr. Seid'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. Seid's Part D claims, 2024
- Antibiotics5%26 of 560 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: 3992024: 44211%
Drugs named by CMS: 10 in 2024, 8 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. Daniel S. Seid takes part in Medicare
Dr. Seid accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
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. Daniel S. Seid has 1 publication on record
Dmand AI links 1 paper to Dr. Seid in 2021. Dr. Seid's most frequent co-authors are Julia Shih, DO and Julia Chia-Ying Shih, MD.
Papers1
Dr. Seid's most frequent co-authors
Recent publications by Dr. Seid
See who Dr. Seid researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Seid 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. Daniel S. Seid has 1 award and honors on record
Dmand AI lists 1 award for Dr. Seid, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Seid
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Daniel S. Seid graduated from Saint Louis University School Of Medicine
Dr. Seid graduated from Saint Louis University School Of Medicine in 1987.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Daniel S. Seid accepts plans from 2 insurance carriers
Dr. Seid 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. Seid accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel S. Seid'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 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 |
| 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. Daniel S. Seid
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. Daniel S. Seid's NPI number?
Dr. Daniel S. Seid's NPI number is 1053470658. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel S. Seid?
Dr. Daniel S. Seid is a gastroenterologist in Fontana, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Daniel S. Seid practice?
Dr. Seid practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Seid's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.
What is Dr. Daniel S. Seid's office phone number?
The practice phone on file for Dr. Seid is (909) 427-5000.
What is Dr. Daniel S. Seid's medical license number?
Dr. Seid holds California license G65516.
What medical group is Dr. Daniel S. Seid part of?
Dr. Seid is linked to Southern California Permanente Medical Group.
Does Dr. Daniel S. Seid accept Medicare?
Yes. CMS lists Dr. Seid as accepting Medicare assignment.
How many Medicare patients does Dr. Daniel S. Seid see?
CMS counts 11 Medicare patients who saw Dr. Seid in 2024, with an average age of 64.
Is Dr. Daniel S. Seid board certified?
Yes. Dr. Seid is board certified in gastroenterology by the American Board of Internal Medicine.
Where did Dr. Daniel S. Seid go to medical school?
Dr. Seid graduated from Saint Louis University School Of Medicine in 1987.
Show 5 more questionsShow fewer questions
What drugs does Dr. Daniel S. Seid prescribe most?
In 2024 Medicare Part D data, Dr. Seid's most prescribed drugs by claims were Gavilyte-C, Mesalamine and Colesevelam HCl.
How long has Dr. Daniel S. Seid been practicing?
Dr. Seid graduated from medical school in 1987, 39 years ago.
Does Dr. Daniel S. Seid do research?
Dmand AI links 1 publication to Dr. Seid.
Who does Dr. Daniel S. Seid publish with?
Dr. Seid's most frequent co-authors are Julia Shih, DO (1 shared paper) and Julia Chia-Ying Shih, MD (1 shared paper).
What insurance does Dr. Daniel S. Seid accept?
Dr. Seid 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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