Doctor profile · Federal record

Dr. Worawan Rattanasamphan, MD

Specialist (CMS: Geriatric Medicine) · Bellevue, WA

  • NPI 1073574471
  • Accepts Medicare
  • MIPS 79.2 / 100 · 2023
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1750 112Th Ave Ne, Suite A-101
Bellevue, WA 980043752
(425) 688-5234
fax (425) 688-5756
Mailing address
1750 112Th Ave, Ne, Suite A-101
Bellevue, WA 98008

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Washington #MD00045055

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073574471. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,948
Distinct HCPCS
10
Medicare allowed
$208,084
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,229 562 $105
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 314 314 $145
99213 Established patient office or other outpatient visit, 20-29 minutes 112 102 $71
99204 New patient office or other outpatient visit, 45-59 minutes 66 66 $144
36415 Insertion of needle into vein for collection of blood sample 65 64 $4
99215 Established patient office or other outpatient visit, 40-54 minutes 58 55 $155
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 39 34 $59
G0444 Annual depression screening, 5 to 15 minutes 20 20 $10
99443 Telephone medical discussion with physician, 21-30 minutes 17 17 $100
99495 Transitional care management services for problem of at least moderate complexity 15 15 $151

In context: peer comparison

Among 2 peers in Bellevue Specialist, average services per provider: 179. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$129
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 1 $128.53

By nature of payment

Food and Beverage
$129

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,116
Patients
1,389
Total drug cost
$77,380
Drug Type Claims Patients Total cost
Losartan Potassium Generic 608 153 $8,737
Levothyroxine Sodium Generic 596 156 $8,777
Atorvastatin Calcium Generic 539 151 $6,795
Amlodipine Besylate Generic 474 134 $4,580
Escitalopram Oxalate Generic 380 92 $6,381
Gabapentin Generic 364 104 $7,212
Rosuvastatin Calcium Generic 348 99 $6,950
Furosemide Generic 301 86 $1,662
Metoprolol Succinate Generic 282 74 $5,075
Trazodone Hcl Generic 271 81 $3,002

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Worawan Rattanasamphan's medical specialty?
Dr. Worawan Rattanasamphan practices Specialist in Bellevue, WA.
Where does Dr. Worawan Rattanasamphan practice?
Dr. Worawan Rattanasamphan practices at 1750 112Th Ave Ne, Bellevue, WA 980043752. Office phone: 4256885234.
What is Dr. Worawan Rattanasamphan's NPI?
Dr. Worawan Rattanasamphan's National Provider Identifier (NPI) is 1073574471, issued by NPPES.
Does Dr. Worawan Rattanasamphan accept Medicare assignment?
Yes. Dr. Worawan Rattanasamphan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Worawan Rattanasamphan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.