Doctor profile · Federal record

Dr. Daniel Lemay, MD, PH. D.

Neurological Surgery Physician (CMS: Neurosurgery) · Downey, CA

  • NPI 1356347959
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8043 2Nd St, Ste 105
Downey, CA 902413621
(562) 862-1134
fax (562) 861-9895

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 9, 2014
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
California #G74285
Medicaid
CA #00G742851

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356347959. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
350
Distinct HCPCS
8
Medicare allowed
$54,249
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 104 36 $52
99214 Established patient office or other outpatient visit, 30-39 minutes 68 50 $139
99204 New patient office or other outpatient visit, 45-59 minutes 46 46 $180
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 44 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 37 33 $98
99285 Emergency department visit with high level of medical decision making 21 20 $181
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $182
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 13 13 $1,126

In context: peer comparison

Among 1 peers in Downey Neurological Surgery Physician, average services per provider: 43. This provider delivers 8.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Lemay's medical specialty?
Dr. Daniel Lemay practices Neurological Surgery Physician in Downey, CA.
Where does Dr. Daniel Lemay practice?
Dr. Daniel Lemay practices at 8043 2Nd St, Downey, CA 902413621. Office phone: 5628621134.
What is Dr. Daniel Lemay's NPI?
Dr. Daniel Lemay's National Provider Identifier (NPI) is 1356347959, issued by NPPES.
Does Dr. Daniel Lemay accept Medicare assignment?
Yes. Dr. Daniel Lemay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Lemay commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.