Cora M. Ludwig, MD
Internal Medicine Physician · Clackamas, OR
Cora M. Ludwig, MD is an internal medicine physician with a practice address in Clackamas, Oregon, and NPI 1881856052, issued on Jun 30, 2008. Check the license (Oregon MD154759, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cora M. Ludwig
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD154759 OR
Self-reported in NPPES; status is on the state search - Practice location
- 8800 SE Sunnyside RD Ste 137S, Clackamas, OR 97015
- Phone
- (503) 451-1476
- Enumerated
- Jun 30, 2008
- Record last updated
- Jun 5, 2025
- Fax
- (360) 282-0701
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 8800 SE Sunnyside RD Ste 137S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrienne DafcikMental Health Counselor1366260143
- Kaylie Pourjafari Seisan, LCSWClinical Social Worker1780242230
Verify Cora M. Ludwig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD154759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average internal medicine physician in 2024
5,657 Medicare Part D claims for 459 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 565 claims were for opioids.
Most prescribed
- Atorvastatin Calcium297 claims
- Lisinopril214 claims
- Hydrocodone-Acetaminophen194 claims
- Losartan Potassium173 claims
- Levothyroxine Sodium168 claims
- Oxycodone Hcl162 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.
Cora M. Ludwig among 2,116 internal medicine physician records in Oregon
Cora M. Ludwig, 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- 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).
101 internal medicine physician records list a practice address in Clackamas
They are 101 of the 2,098 NPPES records with a practice address in Clackamas, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Clackamas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Ashcraft, MDClackamas, OR 970151801851746
- Kirthika Balakrishnan, MDClackamas, OR 970151881655256
- Stephanie Cha, MDClackamas, OR 970151902832371
- Alla Comardelle, M.D.Clackamas, OR 970151558397034
- Gregory Garcia, MDClackamas, OR 970151922036219
- Randall Gore, M.D.Clackamas, OR 970151639163447
- Gene Hong, M.D.Clackamas, OR 970151417905506
- Chieko Misaki, M.D.Clackamas, OR 970151225093172
Common questions
What is Cora M. Ludwig, MD's NPI number?
Cora M. Ludwig, MD's National Provider Identifier (NPI) is 1881856052, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cora M. Ludwig, MD located?
The NPPES record lists a practice address at 8800 SE Sunnyside RD Ste 137S, Clackamas, OR, 97015. Phone: (503) 451-1476. Providers update this record themselves, so call before visiting.
How can I verify Cora M. Ludwig, MD's license?
NPPES lists Oregon license number MD154759, 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 Cora M. Ludwig, MD prescribe under Medicare Part D?
In 2024, Cora M. Ludwig, MD had 5,657 Medicare Part D claims for 459 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.