NPPES file of Aug 9, 2026

John Charles Hervert, DO

Internal Medicine Physician · Deland, FL

John Charles Hervert, DO is an internal medicine physician with a practice address in Deland, Florida, and NPI 1235428921, issued on Apr 4, 2011. Check the license (Florida OS18043, 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
1235428921
Name
John Charles Hervert
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
OS18043 FL
Self-reported in NPPES; status is on the state search
Practice location
1590 S SR 15A Ste 100, Deland, FL 32720
Phone
(386) 774-0016
Enumerated
Apr 4, 2011
Record last updated
May 26, 2023
Fax
(386) 774-0606
Medicaid ID
200416870A OK
Medicare enrollment
Enrolled (PECOS I20211116001804); 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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Also registered at 1590 S SR 15A Ste 100

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

  1. Sarah Case, APRN, FNP-CFamily Nurse Practitioner1922636851
  2. Christian Martinez, MDFamily Medicine Physician1689256059
  3. Steven Shinn, M.D.Internal Medicine Physician1144648809

Verify John Charles Hervert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS18043
    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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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,596 Medicare Part D claims for 683 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 226 claims were for opioids.

  1. John Hervert7,596
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate307 claims
  2. Levothyroxine Sodium289 claims
  3. Atorvastatin Calcium256 claims
  4. Rosuvastatin Calcium226 claims
  5. Losartan Potassium206 claims
  6. Pantoprazole Sodium202 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.

Industry payments in 2024: $1,981.85

87 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Hervert$1,981.85
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. West Volusia Family And Sports Medicine IncDeland, FL

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

John Charles Hervert among 10,151 internal medicine physician records in Florida

John Charles Hervert, DO is one of 10,151 internal 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 2011, is newer than 61% of them.

  • NPI issued2011 · 61% of these records are older, 37% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2010 · median 2004 among the 6,606 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 internal medicine physician records list a practice address in Deland

They are 21 of the 955 NPPES records with a practice address in Deland, and 10,151 internal medicine physician records in Florida.

The 8 internal medicine physician records with the nearest ZIP codes

  1. David Buczkowske, D.O.Deland, FL 327201134489008
  2. Luis Correa Luna, MDDeland, FL 327201497721641
  3. Joseph De Peyster, M.D.Deland, FL 327201245298793
  4. Lloyd Forbes, MDDeland, FL 327201700046950
  5. Gary Hecht, MDDeland, FL 327201881691723
  6. Ananth Krishnan, MDDeland, FL 327201073521902
  7. Raaid Mannaa Mannah, MDDeland, FL 327201255507117
  8. Bhupendra Patel, M.D., P.A.Deland, FL 327201184737959

Common questions

What is John Charles Hervert, DO's NPI number?

John Charles Hervert, DO's National Provider Identifier (NPI) is 1235428921, issued on Apr 4, 2011. An NPI identifies a provider in billing; it is not a license.

Where is John Charles Hervert, DO located?

The NPPES record lists a practice address at 1590 S SR 15A Ste 100, Deland, FL, 32720. Phone: (386) 774-0016. Providers update this record themselves, so call before visiting.

How can I verify John Charles Hervert, DO's license?

NPPES lists Florida license number OS18043, 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 John Charles Hervert, DO prescribe under Medicare Part D?

In 2024, John Charles Hervert, DO had 7,596 Medicare Part D claims for 683 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.