Robert Steven Butterfield, M.D.
Internal Medicine Physician · Port Townsend, WA
Robert Steven Butterfield, M.D. is an internal medicine physician with a practice address in Port Townsend, Washington, and NPI 1831142132, issued on May 18, 2006. Check the license (Washington MD00043773, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Robert Steven Butterfield
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00043773 WA
Self-reported in NPPES; status is on the state search - Practice location
- 915 Sheridan St, Port Townsend, WA 98368
- Phone
- (360) 385-4848
- Enumerated
- May 18, 2006
- Record last updated
- Aug 30, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (360) 379-4383
- Medicaid ID
- 84114526 WA
- Medicare enrollment
- Enrolled (PECOS I20050117000526); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 915 Sheridan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Abhold, DOFamily Medicine Physician1962991992
- Charlene AdelsPhysician Assistant1700068764
- Jane Albee, A.R.N.P.Women's Health Nurse Practitioner1104857838
- Katherine Biccum, D.O.Family Medicine Physician1407236912
- Rachel Bickling, MDFamily Medicine Physician1760587133
- Todd Carlson, M.D.Family Medicine Physician1164475554
Verify Robert Steven Butterfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00043773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,147 Medicare Part D claims for 327 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 76 claims were for opioids.
Most prescribed
- Atorvastatin Calcium300 claims
- Lisinopril169 claims
- Amlodipine Besylate158 claims
- Levothyroxine Sodium120 claims
- Losartan Potassium119 claims
- Omeprazole97 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 MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Jefferson County Public Hospital District NO 2Port Townsend, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Steven Butterfield among 3,079 internal medicine physician records in Washington
Robert Steven Butterfield, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2000 · median 2006 among the 1,852 with a school on file
- Record last updated2011 · 63% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Port Townsend
They are 15 of the 601 NPPES records with a practice address in Port Townsend, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Port Townsend → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mary Ferguson, M.D.Port Townsend, WA 983681447211800
- Gary Forbes, M.D.Port Townsend, WA 983681407808538
- Karen Forbes, M.D.Port Townsend, WA 983681073566162
- Judith Gayne, M.D.Port Townsend, WA 983681881823375
- Tracie Harris, M.D.Port Townsend, WA 983681184608366
- Richard Lynn, M.D.Port Townsend, WA 983681619916400
- Frank Magill, M.D.Port Townsend, WA 983681649222852
- Christopher Manik, MDPort Townsend, WA 983681730114059
Common questions
What is Robert Steven Butterfield, M.D.'s NPI number?
Robert Steven Butterfield, M.D.'s National Provider Identifier (NPI) is 1831142132, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Steven Butterfield, M.D. located?
The NPPES record lists a practice address at 915 Sheridan St, Port Townsend, WA, 98368. Phone: (360) 385-4848. Providers update this record themselves, so call before visiting.
How can I verify Robert Steven Butterfield, M.D.'s license?
NPPES lists Washington license number MD00043773, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Steven Butterfield, M.D. prescribe under Medicare Part D?
In 2024, Robert Steven Butterfield, M.D. had 3,147 Medicare Part D claims for 327 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert Steven Butterfield, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.8 of 100. 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.