Doctor profile · Federal record

Dr. Ruth Chan, DO

Rheumatology Physician (CMS: Rheumatology) · Hilliard, OH

  • NPI 1376809616
  • Accepts Medicare
  • MIPS 88.3 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3691 Ridge Mill Dr
Hilliard, OH 430267752
(614) 293-4837
fax (614) 293-3125
Mailing address
700 Ackerman RD Ste 2120
Columbus, OH 432021559

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
December 28, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Ohio #34011378
Medicaid
OH #0370191

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376809616. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
252
Distinct HCPCS
3
Medicare allowed
$30,942
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 168 92 $119
99204 New patient office or other outpatient visit, 45-59 minutes 52 52 $157
99213 Established patient office or other outpatient visit, 20-29 minutes 32 26 $86

In context: peer comparison

Among 2 peers in this city , average services per provider: 65. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
572
Patients
143
Total drug cost
$315,021
Drug Type Claims Patients Total cost
Prednisone Generic 197 56 $1,660
Hydroxychloroquine Sulfate Generic 117 43 $6,199
Methotrexate (Methotrexate Sodium) Brand 50 18 $1,436
Gabapentin Generic 39 14 $543
Allopurinol Generic 19 0 $213
Meloxicam Generic 18 0 $130
Diclofenac Sodium Generic 17 12 $617
Mycophenolate Mofetil Generic 17 0 $1,657
Humira(Cf) Pen (Adalimumab) Brand 16 0 $119,922
Duloxetine Hcl Generic 15 0 $291

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruth Chan's medical specialty?
Dr. Ruth Chan practices Rheumatology Physician in Hilliard, OH.
Where does Dr. Ruth Chan practice?
Dr. Ruth Chan practices at 3691 Ridge Mill Dr, Hilliard, OH 430267752. Office phone: 6142934837.
What is Dr. Ruth Chan's NPI?
Dr. Ruth Chan's National Provider Identifier (NPI) is 1376809616, issued by NPPES.
Does Dr. Ruth Chan accept Medicare assignment?
Yes. Dr. Ruth Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.