Worawan Rattanasamphan, MD
Specialist · Bellevue, WA
Worawan Rattanasamphan, MD is a specialist with a practice address in Bellevue, Washington, and NPI 1073574471, issued on Mar 28, 2006. Check the license (Washington MD00045055, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Worawan Rattanasamphan
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- MD00045055 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1750 112TH Ave NE, Bellevue, WA 98004
- Phone
- (425) 688-5234
- Enumerated
- Mar 28, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (425) 688-5756
- Medicare enrollment
- Enrolled (PECOS I20100630000196); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 2,609 in Washington → Look up another NPI →
Also registered at 1750 112TH Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michele Arnold, MDNeuromuscular Medicine (Physical Medicine & Rehabilitation) Physician1659488948
- Andrew Barloon, MDOphthalmology Physician1457350670
- Charles Birnbach, M.D.Ophthalmology Physician1144255936
- Kate Casey, LMHCMental Health Counselor1932531654
- Neil Chasan, P.T., M.M.T.Physical Therapist1649232588
- Andrew Cole, M.D.Physical Medicine & Rehabilitation Physician1730135484
Verify Worawan Rattanasamphan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license MD00045055Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.0 times the Medicare Part D claims of the average specialist in 2024
12,364 Medicare Part D claims for 874 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 273 claims were for opioids.
Most prescribed
- Levothyroxine Sodium683 claims
- Atorvastatin Calcium660 claims
- Losartan Potassium659 claims
- Amlodipine Besylate551 claims
- Rosuvastatin Calcium448 claims
- Escitalopram Oxalate385 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): 79.2 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: $128.53
1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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 3 group practices
- Overlake Medical Clinics LLCBellevue, WA
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Worawan Rattanasamphan among 2,609 specialist records in Washington
Worawan Rattanasamphan, MD is one of 2,609 specialist records with a practice address in Washington. 4% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 83% newer
- In a Medicare fileYes · 4% of these records are
- In the CMS Doctors and Clinicians fileYes · 2% of these records are
- Graduated1996 · median 1990 among the 65 with a school on file
- Record last updated2023 · 92% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
108 specialist records list a practice address in Bellevue
They are 108 of the 6,738 NPPES records with a practice address in Bellevue, and 2,609 specialist records in Washington.
All 2,609 in Washington → Every provider in Bellevue → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Elisabeth Anton, M. D.Bellevue, WA 980041487661211
- Teri Chastain, LMTBellevue, WA 980041063522274
- Ronald Coe, MDBellevue, WA 980041174552582
- Raymond Conner, M.D.Bellevue, WA 980041073558763
- Kevin Johnson, M.D.Bellevue, WA 980041154359073
- Deborra Klein, LMPBellevue, WA 980041669577631
- Bjorn Krane, M.D.Bellevue, WA 980041770529992
- Michael Leff, M.D.Bellevue, WA 980041487749651
Common questions
What is Worawan Rattanasamphan, MD's NPI number?
Worawan Rattanasamphan, MD's National Provider Identifier (NPI) is 1073574471, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Worawan Rattanasamphan, MD located?
The NPPES record lists a practice address at 1750 112TH Ave NE, Bellevue, WA, 98004. Phone: (425) 688-5234. Providers update this record themselves, so call before visiting.
How can I verify Worawan Rattanasamphan, MD's license?
NPPES lists Washington license number MD00045055, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Worawan Rattanasamphan, MD prescribe under Medicare Part D?
In 2024, Worawan Rattanasamphan, MD had 12,364 Medicare Part D claims for 874 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Worawan Rattanasamphan, MD's MIPS final score?
The 2023 MIPS final score is 79.2 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.