Dr. Craig E. Chamberlain, MD
- Medicare services, 2017
- 101
- Part D claims, 2017
- 187
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3355 Riverbend Dr, Springfield, OR 97477
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Day Surgery at Riverbend - HOPD
Acute Care Hospital outpatient department · Springfield, Oregon
Find Dr. Chamberlain's professional email, personal email and mobile number
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Dr. Craig E. Chamberlain is a gastroenterologist in Springfield, Oregon
Dr. Chamberlain practices at Day Surgery at Riverbend - HOPD in Springfield, Oregon.
Dr. Chamberlain's NPI, 1598784928, was assigned on July 18, 2006. Dr. Chamberlain holds Oregon license MD17070.
- NPI
- 1598784928NPI Registry (opens in a new tab)
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Craig E. Chamberlain practices at Day Surgery at Riverbend - HOPD in Springfield, Oregon
Dr. Chamberlain's primary practice is Day Surgery at Riverbend - HOPD, at 3355 Riverbend Dr, Springfield, OR 97477.
- Day Surgery at Riverbend - HOPD3355 Riverbend Dr, Springfield, OR 97477
Source: Dmand AI Affiliation Data
Dr. Craig E. Chamberlain is affiliated with 1 site of care
Dr. Chamberlain's primary practice is Day Surgery at Riverbend - HOPD in Springfield, Oregon.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Craig E. Chamberlain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chamberlain practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Day Surgery at Riverbend - HOPD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Craig E. Chamberlain is one of 226 gastroenterologists in Oregon
Gastroenterology is Dr. Chamberlain's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chamberlain is licensed in Oregon.
Specialties and state licenses
- Gastroenterology, OregonPrimary
Gastroenterologists near Dr. Chamberlain
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. Craig E. Chamberlain billed Medicare for 101 services in 2017
CMS data shows 101 Medicare services from Dr. Chamberlain across 4 procedure codes in 2017. Medicare paid $3,345 for them.
Dr. Chamberlain's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Lab and pathology
- 2016: 3662017: 4089%
- Other services
- 2016: 252017: 25No change
- Surgery
- 2016: 3112017: 2094%
- Tests and treatments
- 2016: 02017: 16
- Office and hospital visits
- 2016: 2072017: 0100%
Where Dr. Chamberlain's Medicare services took place, 2017
- In an office4040%
- In a facility6160%
Dr. Chamberlain compared with the Oregon median for gastroenterologists, 2017
- Dr. Chamberlain
- Oregon median
- Medicare services
- 101vs 27363% below
- Part D claims
- 187vs 34045% below
Medians across 224 gastroenterologists in Oregon with Dmand AI profiles that report each measure.
Dr. Chamberlain's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chamberlain?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chamberlain and other gastroenterologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Craig E. Chamberlain's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Chamberlain's median patient age at 63, with 33% women.
Dr. Chamberlain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Craig E. Chamberlain wrote 187 Medicare Part D claims in 2017
In 2017, Dr. Chamberlain wrote 187 Medicare Part D claims. They cover 8 drugs, with $60,276 in total drug cost. In 2016, CMS named 1,313 claims across 36 drugs.
Dr. Chamberlain's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1,3132017: 18786%
Drugs named by CMS: 8 in 2017, 36 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. Craig E. Chamberlain'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 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Craig E. Chamberlain
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. Craig E. Chamberlain's NPI number?
Dr. Craig E. Chamberlain's NPI number is 1598784928. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Craig E. Chamberlain?
Dr. Craig E. Chamberlain is a gastroenterologist in Springfield, Oregon. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Craig E. Chamberlain practice?
Dr. Chamberlain practices at 3355 Riverbend Dr, Springfield, OR 97477. Dr. Chamberlain's primary practice is Day Surgery at Riverbend - HOPD in Springfield, Oregon.
What is Dr. Craig E. Chamberlain's medical license number?
Dr. Chamberlain holds Oregon license MD17070.
Does Dr. Craig E. Chamberlain accept Medicare?
Yes. CMS data shows Dr. Chamberlain billed Medicare for 101 services in 2017.
What services does Dr. Craig E. Chamberlain bill to Medicare?
In 2017, Dr. Chamberlain's most billed Medicare services were lab and pathology test (88305), medicare service (G0500) and surgery: digestive system (45380).
What drugs does Dr. Craig E. Chamberlain prescribe most?
In 2017 Medicare Part D data, Dr. Chamberlain's most prescribed drugs by claims were Omeprazole, Gavilyte-N and Pantoprazole Sodium.
How long has Dr. Craig E. Chamberlain been practicing?
Dr. Chamberlain's NPI was assigned in 2006.
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