Dr. Gretchen E. Blair, MD
- Medicare services, 2024
- 810
- Medicare patients, 2024
- 330
- Part D claims, 2024
- 127
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 1700 E 19th Street, The Dalles, OR 97058
- Practice phone
- Call (541) 296-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Gretchen E. Blair is an internist in The Dalles, Oregon
Dr. Blair practices at Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health.
Dr. Blair's NPI, 1750364451, was assigned on November 28, 2005. Dr. Blair graduated from University of Washington School of Medicine in 1990. Dr. Blair holds Oregon license MD22032.
- NPI
- 1750364451NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103810585
- NPI enumeration date
- November 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 296-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gretchen E. Blair practices at Adventist Health Columbia Gorge in The Dalles, Oregon
Dr. Blair's primary practice is Adventist Health Columbia Gorge, at 1700 E 19th Street, The Dalles, OR 97058 in Wasco County. The practice phone is (541) 296-1111.
- Adventist Health Columbia Gorge1700 E 19th Street, The Dalles, OR 97058 · Wasco CountyPhone(541) 296-1111
Source: Dmand AI Affiliation Data
Dr. Gretchen E. Blair is affiliated with 1 site of care and 1 medical group
Dr. Blair's primary practice is Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health. The medical group on file is Adventist Health Columbia Gorge.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gretchen E. Blair's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blair practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Columbia Gorge | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gretchen E. Blair is one of 1,680 internists in Oregon
Internal medicine is Dr. Blair's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Blair is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Blair
Counts of internists 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. Gretchen E. Blair billed Medicare for 810 services in 2024
CMS data shows 810 Medicare services from Dr. Blair across 10 procedure codes in 2024, for 330 Medicare patients. Medicare paid $50,415 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Blair's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2702024: 554105%
- Tests and treatments
- 2023: 2492024: 2563%
Dr. Blair compared with the Oregon median for internists, 2024
- Dr. Blair
- Oregon median
- Medicare services
- 810vs 3002.7 times
- Medicare patients
- 330vs 1322.5 times
- Part D claims
- 15vs 22293% below
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Blair's most billed Medicare procedure codes, 2024
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. Gretchen E. Blair treated 330 Medicare patients in 2024, average age 76
CMS counts 330 Medicare patients who saw Dr. Blair in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.51, 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. Blair's median patient age at 72, with 48% women.
Dr. Blair's Medicare patients by age, 2024
Dr. Blair's Medicare patients by sex, 2024
- Women17352%
- Men15748%
Chronic conditions among Dr. Blair's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis48%
- Ischemic heart disease43%
- Atrial fibrillation41%
- Heart failure38%
- Diabetes36%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blair's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gretchen E. Blair wrote 127 Medicare Part D claims in 2024
In 2024, Dr. Blair wrote 127 Medicare Part D claims for 61 patients. 92% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $211 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Dr. Blair's Part D claims by kind of drug, 2024
- Generic117 claims92%
- Brand-name and other10 claims8%
Dr. Blair'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. Blair's Part D claims, 2024
- Antibiotics22%28 of 127 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: 162024: 156%
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
How Dr. Gretchen E. Blair takes part in Medicare
Dr. Blair accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gretchen E. Blair graduated from University of Washington School of Medicine
Dr. Blair graduated from University of Washington School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gretchen E. Blair'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 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 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) |
| 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. Gretchen E. Blair
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. Gretchen E. Blair's NPI number?
Dr. Gretchen E. Blair's NPI number is 1750364451. It was assigned on November 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gretchen E. Blair?
Dr. Gretchen E. Blair is an internist in The Dalles, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gretchen E. Blair practice?
Dr. Blair practices at 1700 E 19th Street, The Dalles, OR 97058. Dr. Blair's primary practice is Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health.
What is Dr. Gretchen E. Blair's office phone number?
The practice phone on file for Dr. Blair is (541) 296-1111.
What is Dr. Gretchen E. Blair's medical license number?
Dr. Blair holds Oregon license MD22032.
Which hospitals is Dr. Gretchen E. Blair affiliated with?
Dr. Blair practices at Adventist Health Columbia Gorge in The Dalles, Oregon.
What medical group is Dr. Gretchen E. Blair part of?
Dr. Blair is linked to Adventist Health Columbia Gorge.
Does Dr. Gretchen E. Blair accept Medicare?
Yes. CMS data shows Dr. Blair billed Medicare for 810 services in 2024, and Dr. Blair accepts Medicare assignment.
How many Medicare patients does Dr. Gretchen E. Blair see?
CMS counts 330 Medicare patients who saw Dr. Blair in 2024, with an average age of 76.
What services does Dr. Gretchen E. Blair bill to Medicare?
In 2024, Dr. Blair's most billed Medicare services were heart test or procedure (93010), hospital inpatient care (99233) and hospital inpatient care (99239).
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Where did Dr. Gretchen E. Blair go to medical school?
Dr. Blair graduated from University of Washington School of Medicine in 1990.
What drugs does Dr. Gretchen E. Blair prescribe most?
In 2024 Medicare Part D data, Dr. Blair's most prescribed drugs by claims were Potassium Chloride.
How long has Dr. Gretchen E. Blair been practicing?
Dr. Blair graduated from medical school in 1990, 36 years ago.
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