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ALEC COLBY UNDERHILL DO
NPI 1326675968
Emergency Medicine in Port St Lucie, FL

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
1800 SE TIFFANY AVE, PORT ST LUCIE, FL 34952(772) 398-1990 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 7, 2025, Mar 24, 2020 (2 updates tracked since 2020).

About Alec Colby Underhill Do NPPES

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

ALEC COLBY UNDERHILL DO (NPI 1326675968) is an individual emergency medicine provider in Port St Lucie, Florida, licensed in Florida (OS19609) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital, and is a graduate of William Carey University College Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1326675968
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameALEC COLBY UNDERHILLCredential: DO
Location Address1800 SE TIFFANY AVEPort St Lucie, FL 34952-7521
Mailing Address4626 Sw Ulster StPort St Lucie, FL 34953-6724 · (901) 859-1303
Phone(772) 398-1990
Sole ProprietorYes
Medical School CMSWilliam Carey University College Of Osteopathic MedicineGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateApril 7, 20252 updates tracked since enumeration
NPPES CertifiedApril 7, 2025
✔ NPI 1326675968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in FL · OS19609
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.
1800 SE TIFFANY AVE, Port St Lucie, FL 34952
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan, Inc., Oscar Insurance Company.Insurance ›

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

Alec Colby Underhill Do 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 ID1254778731
PECOS Enrollment IDI20251003002336
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 Alec Underhill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine Services Of Fl, LLC
91 mi
Emergency Medicine
20900 BISCAYNE BLVD
Aventura, FL 33180
  • Reassigned Medicare billing, Florida enrollment
  • 1,912 clinicians in this Medicare group
NPI 1043917180 (305) 682-7000
Southeastern Emergency Physicians LLC
808 mi
Emergency Medicine
989 MEDICAL PARK DR
Maysville, KY 41056
  • Reassigned Medicare billing, Tennessee enrollment
  • 1,071 clinicians in this Medicare group
NPI 1356379382 (606) 759-5311

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.
458 services426 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.
115 services110 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.
64 services62 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Memorial Hospital

Acute Care Hospitals · Memphis, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440048
Location6019 Walnut Grove RoadMemphis, TN 38120 · Shelby County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34952 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
$91.69 typical visit price
range $58.56 – $179.05
Typical copayment $22.92 (range $14.64 – $44.76)
Most-billed visit code 99203
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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.

DR. STEVEN M LANGER M.D.
Anesthesiology
1800 SE TIFFANY AVE
PORT ST LUCIE, FL 34952
St. Lucie County (772) 335-2471
DR. MICHAEL GULENAY D.O.
Emergency Medicine
1800 SE TIFFANY AVE
PORT SAINT LUCIE, FL 34952
St. Lucie County (772) 398-1990
DR. KELLY MALOCH D.O.
Anesthesiology
1800 SE TIFFANY AVE
PORT SAINT LUCIE, FL 34952
St. Lucie County (772) 521-2453
DR. MARY CLAIRE MCMILLAN DO
Family Medicine
1800 SE TIFFANY AVE
PORT ST LUCIE, FL 34952
St. Lucie County (772) 398-3623
ANTONIO B MENCHAVEZ CRNA
Nurse Anesthetist, Certified Registered
1800 SE TIFFANY AVE
PORT ST LUCIE, FL 34952
St. Lucie County (772) 335-2471
HCA HEALTH SERVICES OF FLORIDA, INC.
Psychiatric Unit
1800 SE TIFFANY AVE
PORT ST LUCIE, FL 34952
St. Lucie County (772) 335-4000
ICS RADIOLOGY, INC.
Radiology (Diagnostic Radiology)
1800 SE TIFFANY AVE
PORT ST LUCIE, FL 34952
St. Lucie County (772) 335-4000
DR. ADAN FERNANDO HERNANDEZ MD
Family Medicine
1800 SE TIFFANY AVE
PORT ST LUCIE, FL 34952
St. Lucie County (772) 237-0813

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 Alec Underhill's NPI number?

The NPI number for Alec Underhill is 1326675968. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Alec Underhill located?

Alec Underhill practices at 1800 SE Tiffany Ave, Port St Lucie, FL 34952. The listed phone number is (772) 398-1990.

What is Alec Underhill's specialty?

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

Is Alec Underhill enrolled in Medicare?

Yes. Alec Underhill 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 Alec Underhill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alec Underhill reassigns Medicare benefits to 2 organizations: Emergency Medicine Services Of Fl, LLC (Aventura, FL) and Southeastern Emergency Physicians LLC (Maysville, KY). 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 Alec Underhill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alec Underhill accept?

Health plans from Oscar Health Plan, Inc. and Oscar Insurance Company list Alec Underhill 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.

Is Alec Underhill affiliated with any hospitals?

According to CMS data, Alec Underhill is affiliated with Baptist Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Alec Underhill was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.