Doctor profile · Federal record

Dr. Daniel Lewis, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · San Luis Obispo, CA

  • NPI 1598749079
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 48 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
715 Tank Farm RD Ste C
San Luis Obispo, CA 934017068
(805) 543-5577
fax (805) 595-3231
Additional location
1023 Pacific St
San Luis Obispo, CA 934013623
(805) 543-3350
fax (805) 549-9653

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 2, 2023
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #G57020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598749079. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
736
Distinct HCPCS
3
Medicare allowed
$99,830
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 617 178 $132
99443 Telephone medical discussion with physician, 21-30 minutes 71 42 $132
99215 Established patient office or other outpatient visit, 40-54 minutes 48 40 $185

In context: peer comparison

Among 4 peers in this city , average services per provider: 2,692. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,213
Transactions
50
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 8 $171.66
Janssen Biotech, Inc. 7 $131.70
ABBVIE INC. 5 $94.40
PFIZER INC. 4 $84.64
Exelixis Inc. 4 $78.05
Novartis Pharmaceuticals Corporation 3 $60.70
AstraZeneca Pharmaceuticals LP 3 $54.77
Celgene Corporation 3 $54.01
GlaxoSmithKline, LLC. 2 $53.23
BeiGene USA, Inc. 3 $51.54
Deciphera Pharmaceuticals Inc. 2 $42.91
Alnylam Pharmaceuticals Inc. 2 $39.94
Takeda Pharmaceuticals U.S.A., Inc. 2 $39.53
Stemline Therapeutics Inc. 1 $39.00
ADC Therapeutics America, Inc. 1 $34.30

By nature of payment

Food and Beverage
$1,213

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
456
Patients
33
Total drug cost
$1,379,670
Drug Type Claims Patients Total cost
Tamoxifen Citrate Generic 61 18 $2,358
Levothyroxine Sodium Generic 56 15 $1,011
Abiraterone Acetate Generic 35 0 $200,362
Zolpidem Tartrate Generic 32 0 $183
Prednisone Generic 31 0 $276
Morphine Sulfate Er (Morphine Sulfate) Brand 30 0 $1,322
Venclexta (Venetoclax) Brand 28 0 $276,476
Revlimid (Lenalidomide) Brand 26 0 $368,248
Xarelto (Rivaroxaban) Brand 25 0 $22,532
Ibrance (Palbociclib) Brand 24 0 $392,440

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Lewis's medical specialty?
Dr. Daniel Lewis practices Hematology & Oncology Physician in San Luis Obispo, CA.
Where does Dr. Daniel Lewis practice?
Dr. Daniel Lewis practices at 715 Tank Farm RD Ste C, San Luis Obispo, CA 934017068. Office phone: 8055435577.
What is Dr. Daniel Lewis's NPI?
Dr. Daniel Lewis's National Provider Identifier (NPI) is 1598749079, issued by NPPES.
Does Dr. Daniel Lewis accept Medicare assignment?
Yes. Dr. Daniel Lewis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Lewis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.