DR. ANNA BAILLIE DEKAY
NPI 1164041539
Emergency Medicine in San Diego, CA

Active since April 15, 2020PECOS EnrolledAccepts Medicare Assignment
200 W ARBOR DR # MC8676, SAN DIEGO, CA 92103(619) 543-6213 Get Directions Write a Review

NPPES record last updated: October 31, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 18, 2024, Apr 15, 2020 (2 updates tracked since 2020).

About Dr. Anna Baillie Dekay NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANNA BAILLIE DEKAY (NPI 1164041539) is an individual emergency medicine provider in San Diego, California, licensed in California (A187253) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1164041539
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. ANNA BAILLIE DEKAY
Location Address200 W ARBOR DR # MC8676San Diego, CA 92103-1911
Mailing Address200 W Arbor Dr # Mc8676San Diego, CA 92103-1911 · (619) 543-6213
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 15, 2020
Last NPPES UpdateOctober 31, 20252 updates tracked since enumeration
NPPES CertifiedOctober 31, 2025
✔ NPI 1164041539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A187253
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
200 W ARBOR DR # MC8676, San Diego, CA 92103

Other Names 1

Professional Name (2)Dr. Anna Baillie

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Anna Baillie Dekay is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214474055
PECOS Enrollment IDI20240730000995
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Anna Dekay reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
7901 FROST ST
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 51 clinicians in this Medicare group
Emergency Medicine
751 MEDICAL CENTER COURT
Chula Vista, CA 91911
  • Reassigned Medicare billing, California enrollment
  • 1,204 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
141 services139 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
93 services92 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
22 services22 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
19 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103
Emergency Medicine
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103
Emergency Medicine
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103
Emergency Medicine
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103
Emergency Medicine
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103
General Practice
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR # MC8676
SAN DIEGO, CA 92103

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anna Dekay's NPI number?

The NPI number for Anna Dekay is 1164041539. It was assigned to this individual provider in the NPPES registry on April 15, 2020. The provider is also known as Dr. Anna Baillie.

Where is Anna Dekay located?

Anna Dekay practices at 200 W Arbor Dr # Mc8676, San Diego, CA 92103. The listed phone number is (619) 543-6213.

What is Anna Dekay's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Anna Dekay enrolled in Medicare?

Yes. Anna Dekay is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Anna Dekay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Dekay reassigns Medicare benefits to 2 organizations: San Diego Emergency Physicians, Inc. (San Diego, CA) and Cep America - California (Chula Vista, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anna Dekay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anna Dekay was last updated on October 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.