Lisa Lynn Diepenhorst, MD
Obstetrics & Gynecology Physician · Portland, OR
Lisa Lynn Diepenhorst, MD is an obstetrics & gynecology physician with a practice address in Portland, Oregon, and NPI 1710924972, issued on May 31, 2006. Check the license (Oregon MD26602, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lisa Lynn Diepenhorst
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD26602 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1130 NW 22ND Ave Ste 520, Portland, OR 97210
- Phone
- (503) 274-4800
- Enumerated
- May 31, 2006
- Record last updated
- Jan 28, 2026
- Fax
- (503) 274-4917
- Medicaid ID
- 240035 OR
- Medicare enrollment
- Enrolled (PECOS I20060609000037); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2002
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 654 in Oregon → Look up another NPI →
Also registered at 1130 NW 22ND Ave Ste 520
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Bircher, MDObstetrics & Gynecology Physician1457848574
- Jonathan Cook, MDObstetrics & Gynecology Physician1417163510
- Carrie Frederick, MDObstetrics & Gynecology Physician1205018876
- Jenna Johnson, LPC, CADC-IProfessional Counselor1992028427
- Dafna Lohr, MDObstetrics & Gynecology Physician1528276367
- Emily Rangel, MDObstetrics & Gynecology Physician1912199175
Verify Lisa Lynn Diepenhorst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD26602Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
93 Medicare Part D claims for 31 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Norethindrone Acetate13 claims
- Estradiol11 claims
- Progesterone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Womens Healthcare Associates LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa Lynn Diepenhorst among 654 obstetrics & gynecology physician records in Oregon
Lisa Lynn Diepenhorst, MD is one of 654 obstetrics & gynecology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 48% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2007 among the 413 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Oregon
There are 654 obstetrics & gynecology physician records in Oregon.
All 654 in Oregon → Every provider in Portland → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lydia Collins, M.D.Portland, OR 972101902904287
- Jonathan Cook, MDPortland, OR 972101417163510
- Leslie Hulton, MDPortland, OR 972101215947205
- Carole Levanda, MDPortland, OR 972101730199720
- Renae Lind, MDPortland, OR 972101518978717
- Dafna Lohr, MDPortland, OR 972101528276367
- Jennifer Murray, MDPortland, OR 972101982614970
- Carolyn Piszczek, M.D.Portland, OR 972101023161262
Common questions
What is Lisa Lynn Diepenhorst, MD's NPI number?
Lisa Lynn Diepenhorst, MD's National Provider Identifier (NPI) is 1710924972, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Lynn Diepenhorst, MD located?
The NPPES record lists a practice address at 1130 NW 22ND Ave Ste 520, Portland, OR, 97210. Phone: (503) 274-4800. Providers update this record themselves, so call before visiting.
How can I verify Lisa Lynn Diepenhorst, MD's license?
NPPES lists Oregon license number MD26602, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lisa Lynn Diepenhorst, MD prescribe under Medicare Part D?
In 2024, Lisa Lynn Diepenhorst, MD had 93 Medicare Part D claims for 31 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.