Doctor profile · Federal record

Dr. Andrew Deemer, MD

Vascular Surgery Physician (CMS: General Surgery) · Oceanside, CA

  • NPI 1578568432
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3998 Vista Way, Ste C200
Oceanside, CA 920564519
(760) 724-5352
fax (760) 724-5447

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
November 12, 2013
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State license (1)
California #G66191
Medicaid
CA #00G661910

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578568432. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
283
Distinct HCPCS
7
Medicare allowed
$32,061
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 78 55 $97
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 54 24 $51
99214 Established patient office or other outpatient visit, 30-39 minutes 49 45 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 35 $179
99203 New patient office or other outpatient visit, 30-44 minutes 30 30 $120
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $177
99212 Established patient office or other outpatient visit, 10-19 minutes 12 12 $61

In context: peer comparison

Among 1 peers in this city , average services per provider: 40. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 1 $49.47

By nature of payment

Food and Beverage
$49

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
70
Patients
57
Total drug cost
$375
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 70 57 $375

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Deemer's medical specialty?
Dr. Andrew Deemer practices Vascular Surgery Physician in Oceanside, CA.
Where does Dr. Andrew Deemer practice?
Dr. Andrew Deemer practices at 3998 Vista Way, Oceanside, CA 920564519. Office phone: 7607245352.
What is Dr. Andrew Deemer's NPI?
Dr. Andrew Deemer's National Provider Identifier (NPI) is 1578568432, issued by NPPES.
Does Dr. Andrew Deemer accept Medicare assignment?
Yes. Dr. Andrew Deemer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Deemer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.