Doctor profile · Federal record

Dr. Rachel Zabner Spielberger, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Los Angeles, CA

  • NPI 1033149703
  • Accepts Medicare
  • MIPS 84.1 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8635 W 3Rd St Ste 465W
Los Angeles, CA 900486111
(310) 358-2300
fax (310) 358-2308

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 30, 2019
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (2)
California #53035 · California #A53035
Medicaid
CA #00A530350

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033149703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,000
Distinct HCPCS
9
Medicare allowed
$130,955
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 543 174 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 158 138 $186
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 80 56 $85
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 67 45 $53
99215 Established patient office or other outpatient visit, 40-54 minutes 51 38 $195
99213 Established patient office or other outpatient visit, 20-29 minutes 31 21 $98
99214 Established patient office or other outpatient visit, 30-39 minutes 28 23 $141
99205 New patient office or other outpatient visit, 60-74 minutes 22 22 $232
36415 Insertion of needle into vein for collection of blood sample 20 17 $8

In context: peer comparison

Among 39 peers in this city , average services per provider: 181. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
302
Patients
11
Total drug cost
$397,238
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 49 0 $203,723
Azithromycin Generic 43 0 $1,593
Cefuroxime (Cefuroxime Axetil) Brand 34 0 $3,464
Valacyclovir (Valacyclovir Hcl) Brand 30 0 $1,332
Doxycycline Hyclate Generic 22 0 $622
Ceftriaxone (Ceftriaxone Sodium) Brand 20 0 $7,439
Fluconazole Generic 20 0 $399
Vancomycin Hcl Generic 18 0 $4,502
Fosfomycin Tromethamine Generic 16 0 $4,445
Cephalexin Generic 14 0 $114

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rachel Zabner Spielberger's medical specialty?
Dr. Rachel Zabner Spielberger practices Infectious Disease Physician in Los Angeles, CA.
Where does Dr. Rachel Zabner Spielberger practice?
Dr. Rachel Zabner Spielberger practices at 8635 W 3Rd St Ste 465W, Los Angeles, CA 900486111. Office phone: 3103582300.
What is Dr. Rachel Zabner Spielberger's NPI?
Dr. Rachel Zabner Spielberger's National Provider Identifier (NPI) is 1033149703, issued by NPPES.
Does Dr. Rachel Zabner Spielberger accept Medicare assignment?
Yes. Dr. Rachel Zabner Spielberger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rachel Zabner Spielberger commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.