Doctor profile · Federal record

Dr. Delfin Santos, M.D.

Rheumatology Physician · Specialist · Rochester, MI

  • NPI 1063420628
  • MIPS 75.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
135 Barclay Circle, Suite 100
Rochester, MI 48307
(248) 852-2277
fax (248) 852-2552

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 30, 2018
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Michigan #4301059096

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063420628. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87,845
Distinct HCPCS
10
Medicare allowed
$942,571
HCPCS Description Services Patients Avg allowed
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 49,600 24 $5
J1602 Injection, golimumab, 1 mg, for intravenous use 17,126 28 $13
J3262 Injection, tocilizumab, 1 mg 12,480 14 $6
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 7,700 23 $42
96413 Administration of chemotherapy into vein, 1 hour or less 271 67 $133
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 233 23 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 183 141 $128
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 74 18 $1
96415 Administration of chemotherapy into vein, each additional hour 58 11 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 53 50 $93

In context: peer comparison

Among 1 peers in this city , average services per provider: 6,757. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$483
Transactions
19
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 8 $234.96
ABBVIE INC. 3 $64.31
UCB, Inc. 2 $57.77
AstraZeneca Pharmaceuticals LP 2 $45.74
Mallinckrodt Hospital Products Inc. 1 $22.18
Sandoz Inc. 1 $22.18
Novartis Pharmaceuticals Corporation 1 $22.04
Janssen Biotech, Inc. 1 $14.24

By nature of payment

Food and Beverage
$483

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
869
Patients
329
Total drug cost
$968,169
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 210 98 $8,799
Prednisone Generic 152 67 $2,409
Hydroxychloroquine Sulfate Generic 96 52 $7,432
Celecoxib Generic 57 27 $2,119
Folic Acid Generic 53 21 $212
Leflunomide Generic 47 17 $3,364
Allopurinol Generic 43 21 $906
Humira(Cf) Pen (Adalimumab) Brand 34 0 $376,762
Enbrel (Etanercept) Brand 30 0 $228,341
Colchicine Generic 28 13 $1,404

Frequently asked questions

Auto-generated from federal data
What is Dr. Delfin Santos's medical specialty?
Dr. Delfin Santos practices Rheumatology Physician in Rochester, MI.
Where does Dr. Delfin Santos practice?
Dr. Delfin Santos practices at 135 Barclay Circle, Rochester, MI 48307. Office phone: 2488522277.
What is Dr. Delfin Santos's NPI?
Dr. Delfin Santos's National Provider Identifier (NPI) is 1063420628, issued by NPPES.
What procedures does Dr. Delfin Santos commonly perform?
Top Medicare-reported procedures in 2023: Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, golimumab, 1 mg, for intravenous use (HCPCS J1602); Injection, tocilizumab, 1 mg (HCPCS J3262). Source: CMS Medicare Physician & Other Practitioners file.