Dr. Gretchen L. Hittle, MD
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 153
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 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. Hittle's 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. Gretchen L. Hittle is an internist in Portland, Oregon
Dr. Hittle practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Hittle's NPI, 1356304042, was assigned on April 11, 2006. Dr. Hittle holds Oregon license MD18300.
- NPI
- 1356304042NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072661388
- NPI enumeration date
- April 11, 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
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gretchen L. Hittle practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Hittle's 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. Gretchen L. Hittle is affiliated with 2 sites of care and 1 medical group
Dr. Hittle's 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. Hittle 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. Gretchen L. Hittle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hittle 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. Gretchen L. Hittle is one of 1,680 internists in Oregon
Internal medicine is Dr. Hittle's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hittle is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Hittle
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 L. Hittle treated 20 Medicare patients in 2024, average age 63
CMS counts 20 Medicare patients who saw Dr. Hittle in 2024. The largest group is 85 and over, with 0 patients. 55% of them have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hittle's median patient age at 41, with 63% women.
Dr. Hittle's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Hittle's Medicare patients, 2024
- High blood pressure55%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hittle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gretchen L. Hittle wrote 153 Medicare Part D claims in 2024
In 2024, Dr. Hittle wrote 153 Medicare Part D claims for 125 patients. 86% of them were for generic drugs. CMS names the drug for 50 of them, across 4 drugs with 11 or more claims each, at $582 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.
Dr. Hittle's Part D claims by kind of drug, 2024
- Generic131 claims86%
- Brand-name22 claims14%
Dr. Hittle'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. Hittle's Part D claims, 2024
- Opioids8%13 of 153 claims
- Antibiotics44%68 of 153 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: 402024: 5025%
Drugs named by CMS: 4 in 2024, 3 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 L. Hittle takes part in Medicare
Dr. Hittle 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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Sources for Dr. Gretchen L. Hittle'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) |
| 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 L. Hittle
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 L. Hittle's NPI number?
Dr. Gretchen L. Hittle's NPI number is 1356304042. It was assigned on April 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gretchen L. Hittle?
Dr. Gretchen L. Hittle is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gretchen L. Hittle practice?
Dr. Hittle practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Hittle's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Hittle to 1 group practice or clinic.
What is Dr. Gretchen L. Hittle's office phone number?
The practice phone on file for Dr. Hittle is (503) 813-2440.
What is Dr. Gretchen L. Hittle's medical license number?
Dr. Hittle holds Oregon license MD18300.
What medical group is Dr. Gretchen L. Hittle part of?
Dr. Hittle is linked to Kaiser Permanente Northwest.
Does Dr. Gretchen L. Hittle accept Medicare?
Yes. CMS lists Dr. Hittle as accepting Medicare assignment.
How many Medicare patients does Dr. Gretchen L. Hittle see?
CMS counts 20 Medicare patients who saw Dr. Hittle in 2024, with an average age of 63.
What drugs does Dr. Gretchen L. Hittle prescribe most?
In 2024 Medicare Part D data, Dr. Hittle's most prescribed drugs by claims were Cefadroxil, Doxycycline Monohydrate and Albuterol Sulfate Hfa.
How long has Dr. Gretchen L. Hittle been practicing?
Dr. Hittle graduated from medical school in 1992, 34 years ago.
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