NPPES file of Aug 9, 2026

Alec Colby Underhill, DO

Emergency Medicine Physician · Port St Lucie, FL

Alec Colby Underhill, DO is an emergency medicine physician with a practice address in Port St Lucie, Florida, and NPI 1326675968, issued on Mar 24, 2020. Check the license (Florida OS19609, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326675968
Name
Alec Colby Underhill
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
OS19609 FL
Self-reported in NPPES; status is on the state search
Practice location
1800 SE Tiffany Ave, Port St Lucie, FL 34952
Phone
(772) 398-1990
Enumerated
Mar 24, 2020
Record last updated
Apr 7, 2025
Medicare enrollment
Enrolled (PECOS I20240319003835); accepts Medicare assignment
Medical or professional school
William Carey University College Of Osteopathic Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1800 SE Tiffany Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Daniel Acevedo, MDStudent in an Organized Health Care Education/Training Program1205637394
  2. Thomas Adams, D.O.Emergency Medicine Physician1659756120
  3. Tatiana Alvarado, MDStudent in an Organized Health Care Education/Training Program1134821978
  4. Roxanne Anderson, M.D.Hospitalist Physician1235459207
  5. Kathryn Andrews, ARNPNurse Practitioner1417977364
  6. Vernon Atreidis, MDEmergency Medicine Physician1457304370

Verify Alec Colby Underhill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS19609
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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43% fewer Medicare Part D claims than the average emergency medicine physician in 2024

129 Medicare Part D claims for 90 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Alec Underhill129
  2. Specialty average226

Most prescribed

  1. Methocarbamol17 claims
  2. Cephalexin16 claims
  3. Ondansetron Odt16 claims
  4. Prednisone12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Emergency Medicine Services OF FL LLCPort Saint Lucie, FL
  2. Southeastern Emergency Physicians LLCArlington, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alec Colby Underhill among 4,034 emergency medicine physician records in Florida

Alec Colby Underhill, DO is one of 4,034 emergency medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 83% of them.

  • NPI issued2020 · 83% of these records are older, 12% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2020 · median 2013 among the 2,199 with a school on file
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 emergency medicine physician records list a practice address in Port St Lucie

They are 35 of the 2,403 NPPES records with a practice address in Port St Lucie, and 4,034 emergency medicine physician records in Florida.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Vernon Atreidis, MDPort St Lucie, FL 349521457304370
  2. Joseph Cariello, MDPort St Lucie, FL 349521124075197
  3. John Collins, D.O,Port St Lucie, FL 349521275802787
  4. Nathan Coverman, D.O.Port St Lucie, FL 349521598033458
  5. Michael Demasi, M.D.Port St Lucie, FL 349521306832530
  6. John Groh, D.O.Port Saint Lucie, FL 349521114296548
  7. David Hotwagner, D.O.Port St Lucie, FL 349521962787937
  8. Karen Jenkins, MDPort St Lucie, FL 349521497708507

Common questions

What is Alec Colby Underhill, DO's NPI number?

Alec Colby Underhill, DO's National Provider Identifier (NPI) is 1326675968, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Alec Colby Underhill, DO located?

The NPPES record lists a practice address at 1800 SE Tiffany Ave, Port St Lucie, FL, 34952. Phone: (772) 398-1990. Providers update this record themselves, so call before visiting.

How can I verify Alec Colby Underhill, DO's license?

NPPES lists Florida license number OS19609, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alec Colby Underhill, DO prescribe under Medicare Part D?

In 2024, Alec Colby Underhill, DO had 129 Medicare Part D claims for 90 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.