Doctor profile · Federal record

Dr. Prachaya Nitichaikulvatana, M.D.

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Stanford, CA

  • NPI 1861693228
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
April 15, 2024
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #C175548
Medicaid
NH #3081927

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861693228. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
395
Distinct HCPCS
8
Medicare allowed
$62,851
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 136 100 $113
99205 New patient office or other outpatient visit, 60-74 minutes 96 96 $209
99214 Established patient office or other outpatient visit, 30-39 minutes 43 31 $147
99215 Established patient office or other outpatient visit, 40-54 minutes 42 38 $166
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $247
99215 Established patient office or other outpatient visit, 40-54 minutes 20 14 $208
Q3014 Telehealth originating site facility fee 17 12 $28
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $200

In context: peer comparison

Among 9 peers in this city , average services per provider: 105. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
361
Patients
79
Total drug cost
$155,756
Drug Type Claims Patients Total cost
Prednisone Generic 101 38 $1,394
Hydroxychloroquine Sulfate Generic 98 30 $4,332
Alendronate Sodium Generic 35 0 $214
Methotrexate (Methotrexate Sodium) Brand 27 11 $796
Actemra Actpen (Tocilizumab) Brand 20 0 $88,985
Gabapentin Generic 20 0 $128
Allopurinol Generic 19 0 $339
Celecoxib Generic 16 0 $430
Actemra (Tocilizumab) Brand 14 0 $58,988
Methylprednisolone Generic 11 0 $150

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Prachaya Nitichaikulvatana's medical specialty?
Dr. Prachaya Nitichaikulvatana practices Rheumatology Physician in Stanford, CA.
Where does Dr. Prachaya Nitichaikulvatana practice?
Dr. Prachaya Nitichaikulvatana practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Prachaya Nitichaikulvatana's NPI?
Dr. Prachaya Nitichaikulvatana's National Provider Identifier (NPI) is 1861693228, issued by NPPES.
Does Dr. Prachaya Nitichaikulvatana accept Medicare assignment?
Yes. Dr. Prachaya Nitichaikulvatana accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Prachaya Nitichaikulvatana 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 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.