Doctor profile · Federal record
Dr. Anthony Tay, MD
Rheumatology Physician (CMS: Rheumatology) · Columbia, MO
- NPI 1669416046
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3610 Buttonwood Dr, Suite 200
Columbia, MO 652013721
(417) 689-4080 - Mailing address
-
29 Nw 1St Ln
Lamar, MO 647598105
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 31, 2015
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Missouri #2003007573
- Medicaid
- MO #208975409
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669416046. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
317
Distinct HCPCS
3
Medicare allowed
$32,350
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 164 | 85 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 122 | 69 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 31 | 27 | $84 |
In context: peer comparison
Among 3 peers in Columbia Rheumatology Physician, average services per provider: 83. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$3,416
Transactions
154
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 40 | $957.91 | |
| Amgen INC. | 33 | $730.68 | |
| Novartis Pharmaceuticals Corporation | 18 | $312.91 | |
| AstraZeneca Pharmaceuticals Lp | 5 | $184.18 | |
| Janssen Scientific Affairs, LLC | 3 | $167.99 | |
| Ani Pharmaceuticals, INC. | 10 | $163.03 | |
| Lilly USA, LLC | 8 | $145.32 | |
| Ucb, INC. | 5 | $120.28 | |
| Janssen Biotech, INC. | 10 | $117.79 | |
| GlaxoSmithKline, LLC. | 6 | $116.52 | |
| Pfizer INC. | 6 | $90.69 | |
| Alexion Pharmaceuticals, INC. | 2 | $89.73 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $57.85 | |
| Mallinckrodt Hospital Products INC. | 2 | $51.88 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $49.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,924
Patients
440
Total drug cost
$3,234,721
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 490 | 145 | $4,321 |
| Methotrexate (Methotrexate Sodium) | Brand | 413 | 119 | $13,393 |
| Hydroxychloroquine Sulfate | Generic | 284 | 78 | $20,396 |
| Rinvoq (Upadacitinib) | Brand | 136 | 20 | $902,507 |
| Leflunomide | Generic | 120 | 24 | $6,490 |
| Humira(Cf) Pen (Adalimumab) | Brand | 95 | 14 | $909,632 |
| Enbrel Mini (Etanercept) | Brand | 85 | 0 | $643,718 |
| Allopurinol | Generic | 47 | 14 | $904 |
| Folic Acid | Generic | 41 | 14 | $214 |
| Tramadol Hcl | Generic | 41 | 0 | $550 |
Hospital affiliations
Frequently asked questions
What is Dr. Anthony Tay's medical specialty?
Dr. Anthony Tay practices Rheumatology Physician in Columbia, MO.
Where does Dr. Anthony Tay practice?
Dr. Anthony Tay practices at 3610 Buttonwood Dr, Columbia, MO 652013721. Office phone: 4176894080.
What is Dr. Anthony Tay's NPI?
Dr. Anthony Tay's National Provider Identifier (NPI) is 1669416046, issued by NPPES.
Does Dr. Anthony Tay accept Medicare assignment?
Yes. Dr. Anthony Tay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Tay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.