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THOMAS ROBERT CALKINS M.D.
NPI 1720037518
Emergency Medicine in Chula Vista, CA

Active since May 09, 2006PECOS Enrolled
751 MEDICAL CENTER COURT, CHULA VISTA, CA 91911(619) 482-5800 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Thomas Robert Calkins M.d. NPPES

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

THOMAS ROBERT CALKINS M.D. (NPI 1720037518) is an individual emergency medicine provider in Chula Vista, California, licensed in California (A77312) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720037518
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTHOMAS ROBERT CALKINSCredential: M.D.
Location Address751 MEDICAL CENTER COURTChula Vista, CA 91911-6699
Mailing Address2100 Powell St, Suite 920Emeryville, CA 94608-1803 · (510) 350-2600
Phone(619) 482-5800
Sole ProprietorNo
Enumeration DateMay 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1720037518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A77312
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.
751 MEDICAL CENTER COURT, Chula Vista, CA 91911
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas Robert Calkins M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Thomas Calkins reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mission Viejo Emergency Medical Associates, Inc.
74 mi
Emergency Medicine
31872 COAST HWY
Laguna Beach, CA 92651
  • Reassigned Medicare billing, California enrollment
  • 110 clinicians in this Medicare group
NPI 1134355597 (844) 474-4019
Mission Viejo Emergency Medical Associates
75 mi
Emergency Medicine
27700 MEDICAL CENTER RD
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1073542916 (844) 474-4019
Teton Valley Health Care Inc
831 mi
Critical Access
120 E HOWARD AVE
Driggs, ID 83422
  • Reassigned Medicare billing, Idaho enrollment
  • 57 clinicians in this Medicare group
NPI 1477809622 (208) 354-2383

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.

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.
334 services326 patients
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.
177 services176 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.
142 services133 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.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91911 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

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

CEP AMERICA - CALIFORNIA
Emergency Medicine
751 MEDICAL CENTER COURT
CHULA VISTA, CA 91911
San Diego County (619) 482-5800

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 Thomas Calkins's NPI number?

The NPI number for Thomas Calkins is 1720037518. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is Thomas Calkins located?

Thomas Calkins practices at 751 Medical Center Court, Chula Vista, CA 91911. The listed phone number is (619) 482-5800.

What is Thomas Calkins's specialty?

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

Is Thomas Calkins enrolled in Medicare?

Yes. Thomas Calkins is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thomas Calkins's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Calkins reassigns Medicare benefits to 3 organizations: Mission Viejo Emergency Medical Associates, Inc. (Laguna Beach, CA), Mission Viejo Emergency Medical Associates (Mission Viejo, CA) and Teton Valley Health Care Inc (Driggs, ID). 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 Thomas Calkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Calkins accept?

Health plans from Select Health list Thomas Calkins as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thomas Calkins was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.