Doctor profile · Federal record

Dr. Robert Ziering, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Vista, CA

  • NPI 1215933148
  • Accepts Medicare
  • MIPS 8.7 / 100 · 2023
  • 52 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2067 W Vista Way, Ste 140
Vista, CA 920836032
(760) 941-4444
fax (760) 941-8902

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
March 4, 2009
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
California #A30813
Medicaid
CA #00A308130

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215933148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13,454
Distinct HCPCS
10
Medicare allowed
$238,046
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 6,850 116 $16
95004 Test for allergy using allergenic extract 3,662 47 $4
95117 Professional service for multiple injections of allergen 1,721 109 $14
99213 Established patient office or other outpatient visit, 20-29 minutes 387 246 $97
95115 Professional service for single injection of allergen 273 28 $12
94010 Test to measure expiratory airflow and volume 237 115 $30
99214 Established patient office or other outpatient visit, 30-39 minutes 204 122 $136
99203 New patient office or other outpatient visit, 30-44 minutes 93 93 $119
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 14 13 $20
G0008 Administration of influenza virus vaccine 13 13 $33

In context: peer comparison

Among 2 peers in this city , average services per provider: 1,341. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,840
Transactions
76
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 12 $325.45
Amgen Inc. 9 $235.45
GlaxoSmithKline, LLC. 8 $221.17
AstraZeneca Pharmaceuticals LP 3 $155.58
Grifols USA, LLC 9 $150.12
Takeda Pharmaceuticals U.S.A., Inc. 9 $147.57
CSL Behring 6 $143.54
Genentech USA, Inc. 4 $81.38
PFIZER INC. 4 $75.59
Novartis Pharmaceuticals Corporation 2 $58.15
LEO Pharma Inc. 2 $49.65
Octapharma USA, Inc. 2 $44.70
Pharming Healthcare, Inc. 2 $42.32
kaleo, Inc. 2 $38.14
Regeneron Healthcare Solutions, Inc. 2 $31.49

By nature of payment

Food and Beverage
$1,840

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,238
Patients
497
Total drug cost
$310,430
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 267 108 $14,136
Ipratropium Bromide Generic 166 67 $10,868
Montelukast Sodium Generic 164 49 $3,871
Fluticasone Propionate Generic 126 46 $3,349
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 105 58 $3,610
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 70 22 $51,668
Symbicort (Budesonide/Formoterol Fumarate) Brand 60 15 $29,116
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 43 15 $45,531
Hydroxyzine Hcl Generic 40 16 $907
Methylprednisolone Generic 40 32 $390

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Ziering's medical specialty?
Dr. Robert Ziering practices Allergy & Immunology Physician in Vista, CA.
Where does Dr. Robert Ziering practice?
Dr. Robert Ziering practices at 2067 W Vista Way, Vista, CA 920836032. Office phone: 7609414444.
What is Dr. Robert Ziering's NPI?
Dr. Robert Ziering's National Provider Identifier (NPI) is 1215933148, issued by NPPES.
Does Dr. Robert Ziering accept Medicare assignment?
Yes. Dr. Robert Ziering accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Ziering commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.