Doctor profile · Federal record

Dr. Lloyd Damon, MD

Medical Oncology Physician (CMS: Hematology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · San Francisco, CA

  • NPI 1548224058
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-2421
fax (415) 353-2467
Mailing address
1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 8, 2008
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #G51715
Medicaid
CA #0G5171500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548224058. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
565
Distinct HCPCS
10
Medicare allowed
$72,976
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 178 101 $160
99214 Established patient office or other outpatient visit, 30-39 minutes 111 83 $109
38222 Biopsy and aspiration of bone marrow sample for diagnosis 63 61 $85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 42 $146
99213 Established patient office or other outpatient visit, 20-29 minutes 42 35 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 32 25 $134
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $196
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 20 $89
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $149
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 12 11 $35

In context: peer comparison

Among 13 peers in this city , average services per provider: 70. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$317
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
KAMADA LTD. 1 $146.75
Actelion Pharmaceuticals US, Inc. 1 $125.47
ABBVIE INC. 2 $45.26

By nature of payment

Food and Beverage
$317

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
624
Patients
53
Total drug cost
$4,234,648
Drug Type Claims Patients Total cost
Acyclovir Generic 152 41 $4,523
Jakafi (Ruxolitinib Phosphate) Brand 72 0 $1,399,236
Imbruvica (Ibrutinib) Brand 59 0 $1,034,974
Hydroxyurea Generic 56 12 $1,343
Eliquis (Apixaban) Brand 42 0 $29,664
Venclexta (Venetoclax) Brand 42 0 $378,001
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 40 0 $214
Brukinsa (Zanubrutinib) Brand 28 0 $404,983
Promacta (Eltrombopag Olamine) Brand 25 0 $428,519
Cyclosporine Modified (Cyclosporine, Modified) Brand 23 0 $3,478

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lloyd Damon's medical specialty?
Dr. Lloyd Damon practices Medical Oncology Physician in San Francisco, CA.
Where does Dr. Lloyd Damon practice?
Dr. Lloyd Damon practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153532421.
What is Dr. Lloyd Damon's NPI?
Dr. Lloyd Damon's National Provider Identifier (NPI) is 1548224058, issued by NPPES.
Does Dr. Lloyd Damon accept Medicare assignment?
Yes. Dr. Lloyd Damon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lloyd Damon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Biopsy and aspiration of bone marrow sample for diagnosis (HCPCS 38222). Source: CMS Medicare Physician & Other Practitioners file.