Doctor profile · Federal record

Dr. Kristen Walters, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Internal Medicine Physician · Aliso Viejo, CA

  • NPI 1437442308
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2 Journey Ste 201
Aliso Viejo, CA 926563373
(949) 287-4900
Additional location
5776 Ruffin RD
San Diego, CA 921231013
(858) 292-1144

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
September 11, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
California #A129955

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437442308. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17
Distinct HCPCS
1
Medicare allowed
$2,295
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 17 13 $135

In context: peer comparison

Among 1 peers in Aliso Viejo Allergy & Immunology Physician, average services per provider: 17. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$965
Transactions
32
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 11 $248.05
Novartis Pharmaceuticals Corporation 4 $183.65
Kaleo, INC. 3 $166.84
GlaxoSmithKline, LLC. 3 $92.21
AstraZeneca Pharmaceuticals Lp 3 $75.66
Greer Laboratories, INC. 2 $56.57
Optinose US, INC. 3 $56.16
Abbvie INC. 1 $32.85
Incyte Corporation 1 $26.67
Amgen INC. 1 $26.49

By nature of payment

Food and Beverage
$965

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
286
Patients
13
Total drug cost
$58,366
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 47 13 $2,373
Omeprazole Generic 38 0 $432
Fluticasone Propionate Generic 35 0 $518
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 20 0 $16,012
Levalbuterol Tartrate Hfa (Levalbuterol Tartrate) Brand 19 0 $1,017
Montelukast Sodium Generic 18 0 $233
Spiriva Respimat (Tiotropium Bromide) Brand 16 0 $8,443
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 0 $316
Combivent Respimat (Ipratropium/Albuterol Sulfate) Brand 12 0 $5,678
Dulera (Mometasone/Formoterol) Brand 12 0 $3,928

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen Walters's medical specialty?
Dr. Kristen Walters practices Allergy & Immunology Physician in Aliso Viejo, CA.
Where does Dr. Kristen Walters practice?
Dr. Kristen Walters practices at 2 Journey Ste 201, Aliso Viejo, CA 926563373. Office phone: 9492874900.
What is Dr. Kristen Walters's NPI?
Dr. Kristen Walters's National Provider Identifier (NPI) is 1437442308, issued by NPPES.
Does Dr. Kristen Walters accept Medicare assignment?
Yes. Dr. Kristen Walters accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Walters commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.