NPPES file of Aug 9, 2026

Douglas Daniel Mercier, NP-C

Family Nurse Practitioner · Brooksville, FL

Douglas Daniel Mercier, NP-C is a family nurse practitioner with a practice address in Brooksville, Florida, and NPI 1386953487, issued on Oct 7, 2010. Check the license (Florida 3295532, 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
1386953487
Name
Douglas Daniel Mercier
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
3295532 FL
A003978 AR
Self-reported in NPPES; status is on the state search
Practice location
12220 Cortez Blvd, Brooksville, FL 34613
Phone
(352) 556-5216
Enumerated
Oct 7, 2010
Record last updated
Apr 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140205001008); accepts Medicare assignment
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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8 nearest family nurse practitioner records → All 22,340 in Florida → Look up another NPI →

Also registered at 12220 Cortez Blvd

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

  1. Barry Barrows, MDEmergency Medicine Physician1861407447
  2. Sarah Cornwell, DNP, APRN, FNP-CFamily Nurse Practitioner1821649021
  3. Damian Diaz, FNPFamily Nurse Practitioner1952884074
  4. Jacqueline Hemstreet, APRNFamily Nurse Practitioner1033830427
  5. Donna Lambert, APRNFamily Nurse Practitioner1417547233
  6. Stacie Laviano, ARNPFamily Nurse Practitioner1669422341

Verify Douglas Daniel Mercier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license 3295532    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

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79% fewer Medicare Part D claims than the average family nurse practitioner in 2024

274 Medicare Part D claims for 179 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 35 claims were for opioids.

  1. Douglas Mercier274
  2. Specialty average1,305

Most prescribed

  1. Prednisone37 claims
  2. Ondansetron Odt24 claims
  3. Hydrocodone-Acetaminophen16 claims
  4. Acetaminophen-Codeine12 claims
  5. Cephalexin12 claims
  6. Azithromycin11 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 one group practice

  1. Southeastern Emergency Physicians LLCRussellville, AR

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

Douglas Daniel Mercier among 22,340 family nurse practitioner records in Florida

Douglas Daniel Mercier, NP-C is one of 22,340 family nurse practitioner records with a practice address in Florida. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 10% of them.

  • NPI issued2010 · 10% of these records are older, 89% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2010 · median 2020 among the 10,790 with a school on file
  • Record last updated2020 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 family nurse practitioner records list a practice address in Brooksville

They are 55 of the 1,173 NPPES records with a practice address in Brooksville, and 22,340 family nurse practitioner records in Florida.

All 22,340 in Florida → Every provider in Brooksville → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Dean Adkins, FNP-CBrooksville, FL 346131730434747
  2. Alex Bahadori, DNP, ARNPWeeki Wachee, FL 346131083673412
  3. Arlene Bradford, ARNPBrooksville, FL 346131710316211
  4. Kristen CostaBrooksville, FL 346131013452515
  5. Stacie Laviano, ARNPBrooksville, FL 346131669422341
  6. Linda Louthan, MSN FNP-BCBrooksville, FL 346131427436229
  7. Kathryn Moulton-Gray, ARNPBrooksville, FL 346131083994248
  8. Tabitha Muchler, ARNPBrooksville, FL 346131235383647

Common questions

What is Douglas Daniel Mercier, NP-C's NPI number?

Douglas Daniel Mercier, NP-C's National Provider Identifier (NPI) is 1386953487, issued on Oct 7, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Daniel Mercier, NP-C located?

The NPPES record lists a practice address at 12220 Cortez Blvd, Brooksville, FL, 34613. Phone: (352) 556-5216. Providers update this record themselves, so call before visiting.

How can I verify Douglas Daniel Mercier, NP-C's license?

NPPES lists Florida license number 3295532, 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 Douglas Daniel Mercier, NP-C prescribe under Medicare Part D?

In 2024, Douglas Daniel Mercier, NP-C had 274 Medicare Part D claims for 179 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.