Katherine Rollins Black, MD
Gastroenterology Physician · Portland, OR
Katherine Rollins Black, MD is a gastroenterology physician with a practice address in Portland, Oregon, and NPI 1801018122, issued on May 3, 2007. Check the license (Oregon MD156824, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Rollins Black
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD156824 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1130 NW 22ND Ave Ste 410, Portland, OR 97210
- Phone
- (503) 229-7137
- Enumerated
- May 3, 2007
- Record last updated
- Mar 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (503) 241-0628
- Medicaid ID
- 500647193 OR
- Medicare enrollment
- Enrolled (PECOS I20120823000132); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 1130 NW 22ND Ave Ste 410
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Smith, MDGastroenterology Physician1962590570
- Maria Villarreal, FNPFamily Nurse Practitioner1750538146
- Erich Vorlop, M.D.Gastroenterology Physician1831315829
- Kellie YoungGastroenterology Physician1073908588
Verify Katherine Rollins Black in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD156824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average gastroenterology physician in 2024
1,000 Medicare Part D claims for 439 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 13 claims were for opioids.
Most prescribed
- Omeprazole167 claims
- Peg 3350-Electrolyte139 claims
- Sod Sulf-Potass Sulf-Mag Sulf103 claims
- Pantoprazole Sodium87 claims
- Famotidine44 claims
- Ondansetron Odt35 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $149.54
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northwest Gastroenterology Clinic LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Rollins Black among 281 gastroenterology physician records in Oregon
Katherine Rollins Black, MD is one of 281 gastroenterology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 31% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2003 among the 201 with a school on file
- Record last updated2013 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oregon
There are 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Portland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Julie Kim, M.D.Portland, OR 972101730283946
- Matthew Smith, MDPortland, OR 972101962590570
- Erich Vorlop, M.D.Portland, OR 972101831315829
- Kellie YoungPortland, OR 972101073908588
- Young Choi, M.D.Portland, OR 972051336122274
- Philip Dolan, MDPortland, OR 972051437241502
- Albert Khine, M.D.Portland, OR 972051386720274
- Richard Brandes, MDPortland, OR 972161750420766
Common questions
What is Katherine Rollins Black, MD's NPI number?
Katherine Rollins Black, MD's National Provider Identifier (NPI) is 1801018122, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Rollins Black, MD located?
The NPPES record lists a practice address at 1130 NW 22ND Ave Ste 410, Portland, OR, 97210. Phone: (503) 229-7137. Providers update this record themselves, so call before visiting.
How can I verify Katherine Rollins Black, MD's license?
NPPES lists Oregon license number MD156824, 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 Katherine Rollins Black, MD prescribe under Medicare Part D?
In 2024, Katherine Rollins Black, MD had 1,000 Medicare Part D claims for 439 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Katherine Rollins Black, MD's MIPS final score?
The 2023 MIPS final score is 84.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.