Jessica Lampkin Gregg, MD
Internal Medicine Physician · Portland, OR
Jessica Lampkin Gregg, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1447265939, issued on Jul 31, 2006. Check the license (Oregon MD23841, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jessica Lampkin Gregg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD23841 OR
Self-reported in NPPES; status is on the state search - Practice location
- 727 W Burnside St, Portland, OR 97209
- Phone
- (503) 228-4533
- Enumerated
- Jul 31, 2006
- Record last updated
- Feb 6, 2025
- Medicaid ID
- 022647 OR
- Medicare enrollment
- Enrolled (PECOS I20250703003323); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 727 W Burnside St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jessica Lampkin Gregg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD23841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Presbyterian Healthcare ServicesEspanola, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jessica Lampkin Gregg among 2,116 internal medicine physician records in Oregon
Jessica Lampkin Gregg, MD is one of 2,116 internal medicine 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 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2008 among the 1,232 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Judith Becher, MDPortland, OR 972091114055258
- Stefan ChristisonPortland, OR 972091639586191
- Paul Denouden, MDPortland, OR 972091962496885
- Meg Devoe, M.D.Portland, OR 972091255591970
- Robert Livingston, MDPortland, OR 972091457480907
- Michael Macveigh, MDPortland, OR 972091396873444
- Edward Neal, MDPortland, OR 972091710190616
- Kamala Randolph, M.D.Portland, OR 972091801002548
Common questions
What is Jessica Lampkin Gregg, MD's NPI number?
Jessica Lampkin Gregg, MD's National Provider Identifier (NPI) is 1447265939, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Lampkin Gregg, MD located?
The NPPES record lists a practice address at 727 W Burnside St, Portland, OR, 97209. Phone: (503) 228-4533. Providers update this record themselves, so call before visiting.
How can I verify Jessica Lampkin Gregg, MD's license?
NPPES lists Oregon license number MD23841, 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 Jessica Lampkin Gregg, MD prescribe under Medicare Part D?
In 2024, Jessica Lampkin Gregg, MD had 19 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.