Pediatr Infect Dis J
Antibodies, ViralCaliforniaConfidence Intervals
Dr. Randy E. Bergen, MD
NPI1316025497
- Medicare services, 2021
- 591,806
- Part D claims, 2024
- 22
- Publications
- 6
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1425 S Main St, Walnut Creek, CA 94596-5318
- Practice phone
- Call (925) 295-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Randy E. Bergen is a pediatric infectious diseases physician in Walnut Creek, California
Dr. Bergen practices in Walnut Creek, California.
Dr. Bergen's NPI, 1316025497, was assigned on November 2, 2006. Dr. Bergen graduated from University Of Minnesota Medical School in 1982. Dr. Bergen's California license number on file is G52916.
NPI and contact details
- NPI
- 1316025497NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Practice phone
- (925) 295-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Randy E. Bergen's practice address is in Walnut Creek, California
Dr. Bergen's practice address in the NPI Registry is 1425 S Main St, Walnut Creek, CA 94596-5318. The practice phone is (925) 295-4000.
- NPI Registry address1425 S Main St, Walnut Creek, CA 94596-5318Phone(925) 295-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Randy E. Bergen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bergen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Bergen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Randy E. Bergen is one of 146 pediatric infectious diseases physicians in California
Pediatric infectious diseases is Dr. Bergen's primary specialty in the NPI Registry, under taxonomy code 2080P0208X. Dr. Bergen is board certified in pediatrics by the American Board of Pediatrics. Dr. Bergen has a license on file in California.
Specialties and state licenses
- Pediatric infectious diseases, CaliforniaPrimary
Pediatric infectious diseases physicians near Dr. Bergen
Counts of pediatric infectious diseases physicians 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. Randy E. Bergen billed Medicare for 591,806 services in 2021
CMS data shows 591,806 Medicare services from Dr. Bergen across 5 procedure codes in 2021. Medicare paid $18,902,568 for them. Every service was in an office.
Medicare services, 2021591,806
Paid by Medicare$18.9M
Procedure codes5
Dr. Bergen's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Other services
- 2020: 3,3082021: 591,80617790%
- Tests and treatments
- 2020: 3,6482021: 0100%
Dr. Bergen compared with the California median for pediatric infectious diseases physicians, 2021
- Dr. Bergen
- California median
- Part D claims
- 11vs 1421% below
Medians across 24 pediatric infectious diseases physicians in California with Dmand AI profiles that report each measure.
Dr. Bergen's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Randy E. Bergen wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Bergen wrote 22 Medicare Part D claims for 22 patients. 0% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $935 in total drug cost. In 2023, CMS named 19 claims across 1 drug.
Part D claims, 202422
Drugs named by CMS1
Total drug cost$935
Part D patients22
Dr. Bergen'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 192024: 1142%
Drugs named by CMS: 1 in 2024, 1 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
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Dr. Randy E. Bergen has 6 publications on record
Dmand AI links 6 papers to Dr. Bergen. The most frequent topics are Antibodies, Viral, Antigens, Viral and Double-Blind Method. Dr. Bergen has published most often in Pediatr Infect Dis J. Dr. Bergen's most frequent co-authors are Ann Margaret Arvin, MD and Dan M. Granoff, MD.
Papers6
Topics Dr. Bergen writes about most
- Antibodies, Viral
- Antigens, Viral
- Double-Blind Method
- Herpesvirus 3, Human
- Lymphocyte Activation
- T-Lymphocytes
- Viral Envelope Proteins
Dr. Bergen's most frequent co-authors
Recent publications by Dr. Bergen
Amino Acid SequenceAntigens, ViralChickenpox
Antibodies, ViralAntigens, ViralChickenpox Vaccine
Pediatr Infect Dis J
Antibodies, BacterialBordetella pertussisClostridium tetani
See who Dr. Bergen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bergen works with, so you can find a warm path to the right pediatric infectious diseases physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Randy E. Bergen graduated from University Of Minnesota Medical School
Dr. Bergen graduated from University Of Minnesota Medical School in 1982.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Sources for Dr. Randy E. Bergen'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 |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Randy E. Bergen
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. Randy E. Bergen's NPI number?
Dr. Randy E. Bergen's NPI number is 1316025497. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Randy E. Bergen?
Dr. Randy E. Bergen is a pediatric infectious diseases physician in Walnut Creek, California. The primary specialty in the NPI Registry is Pediatric Infectious Diseases Physician (taxonomy code 2080P0208X).
Where does Dr. Randy E. Bergen practice?
Dr. Bergen practices at 1425 S Main St, Walnut Creek, CA 94596-5318.
What is Dr. Randy E. Bergen's office phone number?
The practice phone on file for Dr. Bergen is (925) 295-4000.
What is Dr. Randy E. Bergen's medical license number?
Dr. Bergen's California license number on file is G52916.
Does Dr. Randy E. Bergen accept Medicare?
Yes. CMS data shows Dr. Bergen billed Medicare for 591,806 services in 2021.
Is Dr. Randy E. Bergen board certified?
Yes. Dr. Bergen is board certified in pediatrics by the American Board of Pediatrics.
What services does Dr. Randy E. Bergen bill to Medicare?
In 2021, Dr. Bergen's most billed Medicare services were medical service (0002A), medical service (0001A) and medical service (0012A).
Where did Dr. Randy E. Bergen go to medical school?
Dr. Bergen graduated from University Of Minnesota Medical School in 1982.
What drugs does Dr. Randy E. Bergen prescribe most?
In 2024 Medicare Part D data, Dr. Bergen's most prescribed drugs by claims were Typhim Vi.
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How long has Dr. Randy E. Bergen been practicing?
Dr. Bergen graduated from medical school in 1982, 44 years ago.
Does Dr. Randy E. Bergen do research?
Dmand AI links 6 publications to Dr. Bergen.
Who does Dr. Randy E. Bergen publish with?
Dr. Bergen's most frequent co-authors are Ann Margaret Arvin, MD (2 shared papers) and Dan M. Granoff, MD (1 shared paper).
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