Britain Larson Parrish, MD
Family Medicine Physician · Roseburg, OR
Britain Larson Parrish, MD is a family medicine physician with a practice address in Roseburg, Oregon, and NPI 1255866489, issued on Apr 25, 2017. Check the license (Oregon MD200297, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Britain Larson Parrish
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD200297 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1937 W Harvard Ave, Roseburg, OR 97471
- Phone
- (541) 677-7200
- Enumerated
- Apr 25, 2017
- Record last updated
- Sep 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (541) 229-3309
- Medicaid ID
- 500783536 OR
- Medicare enrollment
- Enrolled (PECOS I20200909002096); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 1937 W Harvard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Escobedo, CHWCommunity Health Worker1629939798
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Verify Britain Larson Parrish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD200297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average family medicine physician in 2024
5,942 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 148 claims were for opioids.
Most prescribed
- Levothyroxine Sodium305 claims
- Losartan Potassium267 claims
- Atorvastatin Calcium259 claims
- Lisinopril206 claims
- Gabapentin203 claims
- Amlodipine Besylate183 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.
Industry payments in 2024: $15.17
1 payment: food and beverage; the largest payer was ConvaTec Inc. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Centennial Medical Group East LLCRoseburg, OR
- Evergreen Family Medicine PCRoseburg, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Britain Larson Parrish among 2,847 family medicine physician records in Oregon
Britain Larson Parrish, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2009 among the 1,671 with a school on file
- Record last updated2020 · 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 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 family medicine physician records list a practice address in Roseburg
They are 73 of the 1,928 NPPES records with a practice address in Roseburg, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Roseburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sarah Agsten, DORoseburg, OR 974711104803691
- Laurance Choate, M.D.Roseburg, OR 974711598737033
- James Hoyne, DORoseburg, OR 974711831250133
- Gerald Jaworski, M.D.Roseburg, OR 974711043272099
- Clyde Keys, MDRoseburg, OR 974711952300881
- Daniela Marjanovic, MDRoseburg, OR 974711184604100
- Michael Nichols, DORoseburg, OR 974711568570547
- Timothy Powell, MDRoseburg, OR 974711689647844
Common questions
What is Britain Larson Parrish, MD's NPI number?
Britain Larson Parrish, MD's National Provider Identifier (NPI) is 1255866489, issued on Apr 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Britain Larson Parrish, MD located?
The NPPES record lists a practice address at 1937 W Harvard Ave, Roseburg, OR, 97471. Phone: (541) 677-7200. Providers update this record themselves, so call before visiting.
How can I verify Britain Larson Parrish, MD's license?
NPPES lists Oregon license number MD200297, 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 Britain Larson Parrish, MD prescribe under Medicare Part D?
In 2024, Britain Larson Parrish, MD had 5,942 Medicare Part D claims for 442 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.