Dr. Chauncey Theodore Griggs, MD
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 112
- Industry payments
- $478
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
Find Dr. Griggs' 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. Chauncey Theodore Griggs is a general surgeon in Portland, Oregon
Dr. Griggs practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Griggs' NPI, 1811074487, was assigned on November 1, 2006. Dr. Griggs graduated from University of Minnesota, Duluth School of Medicine in 1996. Dr. Griggs holds Washington license MD00039865.
- NPI
- 1811074487NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729985528
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chauncey Theodore Griggs practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Griggs' primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Chauncey Theodore Griggs is affiliated with 2 sites of care and 1 medical group
Dr. Griggs' primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Griggs to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chauncey Theodore Griggs' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Griggs practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chauncey Theodore Griggs is one of 438 general surgeons in Oregon
Surgery is Dr. Griggs' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Griggs is licensed in Washington.
Specialties and state licenses
- Surgery, WashingtonPrimary
General surgeons near Dr. Griggs
Counts of general surgeons 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. Chauncey Theodore Griggs treated 21 Medicare patients in 2024, average age 63
CMS counts 21 Medicare patients who saw Dr. Griggs in 2024. The largest group is 85 and over, with 0 patients. 67% of them have high blood pressure, and 52% have chronic kidney disease. Their average risk score is 2.31, 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. Griggs' median patient age at 54, with 52% women.
Dr. Griggs' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Griggs' Medicare patients, 2024
- High blood pressure67%
- Chronic kidney disease52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Griggs' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chauncey Theodore Griggs wrote 112 Medicare Part D claims in 2024
In 2024, Dr. Griggs wrote 112 Medicare Part D claims for 91 patients. 99% of them were for generic drugs. CMS names the drug for 73 of them, across 2 drugs with 11 or more claims each, at $502 in total drug cost. In 2023, CMS named 71 claims across 2 drugs.
Dr. Griggs' Part D claims by kind of drug, 2024
- Generic111 claims99%
- Brand-name and other1 claims1%
Dr. Griggs' 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. Griggs' Part D claims, 2024
- Opioids72%81 of 112 claims
- Antibiotics13%15 of 112 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: 712024: 733%
Drugs named by CMS: 2 in 2024, 2 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. Chauncey Theodore Griggs takes part in Medicare
Dr. Griggs accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 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. Chauncey Theodore Griggs received $478 in industry payments from 2016 to 2017
CMS Open Payments shows 6 general payments to Dr. Griggs from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $367.
General payments to Dr. Griggs by program year, 2016 to 2017
Companies that paid Dr. Griggs the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chauncey Theodore Griggs graduated from University of Minnesota, Duluth School of Medicine
Dr. Griggs graduated from University of Minnesota, Duluth School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chauncey Theodore Griggs'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Chauncey Theodore Griggs
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. Chauncey Theodore Griggs' NPI number?
Dr. Chauncey Theodore Griggs' NPI number is 1811074487. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chauncey Theodore Griggs?
Dr. Chauncey Theodore Griggs is a general surgeon in Portland, Oregon. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Chauncey Theodore Griggs practice?
Dr. Griggs practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Griggs' primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Griggs to 1 group practice or clinic.
What is Dr. Chauncey Theodore Griggs' office phone number?
The practice phone on file for Dr. Griggs is (503) 813-2440.
What is Dr. Chauncey Theodore Griggs' medical license number?
Dr. Griggs holds Washington license MD00039865.
What medical group is Dr. Chauncey Theodore Griggs part of?
Dr. Griggs is linked to Kaiser Permanente Northwest.
Does Dr. Chauncey Theodore Griggs accept Medicare?
Yes. CMS lists Dr. Griggs as accepting Medicare assignment.
How many Medicare patients does Dr. Chauncey Theodore Griggs see?
CMS counts 21 Medicare patients who saw Dr. Griggs in 2024, with an average age of 63.
Where did Dr. Chauncey Theodore Griggs go to medical school?
Dr. Griggs graduated from University of Minnesota, Duluth School of Medicine in 1996.
What drugs does Dr. Chauncey Theodore Griggs prescribe most?
In 2024 Medicare Part D data, Dr. Griggs' most prescribed drugs by claims were Hydrocodone-Acetaminophen and Oxycodone HCl.
Has Dr. Chauncey Theodore Griggs received payments from drug or device companies?
CMS Open Payments shows $478 in general payments to Dr. Griggs from 2 companies from 2016 to 2017. The largest total came from Allergan Inc.
How long has Dr. Chauncey Theodore Griggs been practicing?
Dr. Griggs graduated from medical school in 1996, 30 years ago.
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