Doctor profile · Federal record

Dr. Thomas Spillane, MD

Medical Oncology Physician (CMS: Medical Oncology) · San Luis Obispo, CA

  • NPI 1477558435
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
715 Tank Farm Road, Suite C
San Luis Obispo, CA 934017068
(805) 543-5577
fax (805) 595-3231
Mailing address
715 Tank Farm RD Ste C
San Luis Obispo, CA 934017068

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
November 8, 2023
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #G79734
Medicaid
CA #00G797340

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477558435. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,671
Distinct HCPCS
9
Medicare allowed
$354,184
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,743 649 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 525 370 $95
99215 Established patient office or other outpatient visit, 40-54 minutes 205 136 $188
99204 New patient office or other outpatient visit, 45-59 minutes 64 64 $174
99205 New patient office or other outpatient visit, 60-74 minutes 49 49 $230
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $118
99212 Established patient office or other outpatient visit, 10-19 minutes 23 21 $60
99443 Telephone medical discussion with physician, 21-30 minutes 17 16 $134
99442 Telephone medical discussion with physician, 11-20 minutes 13 13 $95

In context: peer comparison

Among 1 peers in San Luis Obispo Medical Oncology Physician, average services per provider: 296. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,697
Transactions
190
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 3 $1,246.69
AstraZeneca Pharmaceuticals Lp 18 $853.91
Janssen Biotech, INC. 24 $476.12
Abbvie INC. 17 $374.06
Daiichi Sankyo INC. 22 $348.16
Exelixis INC. 12 $347.92
Pfizer INC. 22 $301.59
Astellas Pharma US INC 13 $291.88
Merck Sharp & Dohme LLC 14 $281.27
Genentech USA, INC. 9 $276.14
Sobi, INC 8 $255.07
Novartis Pharmaceuticals Corporation 12 $231.47
Celgene Corporation 9 $183.16
Alnylam Pharmaceuticals INC. 4 $171.58
PharmaEssentia USA Corporation 3 $159.10

By nature of payment

Food and Beverage
$5,952
Consulting Fee
$1,725
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
558
Patients
130
Total drug cost
$290,569
Drug Type Claims Patients Total cost
Letrozole Generic 96 31 $3,186
Tamoxifen Citrate Generic 65 14 $2,703
Acyclovir Generic 58 16 $1,197
Gabapentin Generic 46 14 $1,502
Levothyroxine Sodium Generic 35 11 $664
Prednisone Generic 34 14 $308
Brukinsa (Zanubrutinib) Brand 33 0 $250,418
Eliquis (Apixaban) Brand 32 0 $27,455
Ondansetron Hcl Generic 29 18 $368
Hydrochlorothiazide Generic 25 0 $222

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Spillane's medical specialty?
Dr. Thomas Spillane practices Medical Oncology Physician in San Luis Obispo, CA.
Where does Dr. Thomas Spillane practice?
Dr. Thomas Spillane practices at 715 Tank Farm Road, San Luis Obispo, CA 934017068. Office phone: 8055435577.
What is Dr. Thomas Spillane's NPI?
Dr. Thomas Spillane's National Provider Identifier (NPI) is 1477558435, issued by NPPES.
Does Dr. Thomas Spillane accept Medicare assignment?
Yes. Dr. Thomas Spillane accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Spillane 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 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.