Registry data as of Aug 27, 2026

Nathan Graddy, D.D.S

Dentist · Port Richey, FL

Nathan Graddy, D.D.S is a dentist with a practice address in Port Richey, Florida, and NPI 1225318025, issued on Aug 24, 2011. Check the license (Florida DN4964, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1225318025
Name
Nathan Graddy
Credential
D.D.S
Primary taxonomy
Dentist 122300000X
License number
DN4964 FL
Self-reported in NPPES; status is on the state search
Practice location
9721 US Highway 19, Port Richey, FL 34668
Phone
(727) 846-7555
Enumerated
Aug 24, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9721 US Highway 19

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

  1. Mariana Boles, D.D.SDentist1255745428
  2. Richard Paternoster, DDSDentist1043483480

Verify Nathan Graddy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license DN4964
    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.

80% fewer Medicare Part D claims than the average dentist in 2024

18 Medicare Part D claims for 16 beneficiaries, against an average of 90 among the 51,502 providers of this specialty who prescribed in Part D.

  1. Nathan Graddy18
  2. Specialty average90

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.

11 dentist records list a Port Richey practice address

They are 11 of the 396 NPPES records with a Port Richey practice address, and 6,277 dentist records in Florida.

Other dentist records in Florida

  1. Michael Aaro, DMDJacksonville, FL1952894784
  2. Kaitria Abbatematteo, D.M.D.Gainesville, FL1083458293
  3. Bill Abbo, DDS MSNorth Miami Beach, FL1720147853
  4. Eli Abbo, DMDNorth Miami Beach, FL1629284575
  5. Phillip Abbott, DDSBartow, FL1174698492
  6. Maria Jose Abboud, DMDGainesville, FL1245643741
  7. Sana Abdel-Jabbar, D.M.DBoca Raton, FL1801248372
  8. Abdullah AbdelazizCoral Gables, FL1356961395
  9. Yara Abdelaziz, DMDGibsonton, FL1487390167
  10. Magda Abdelfattah, D.M.D.Boca Raton, FL1780093963

Common questions

What is Nathan Graddy, D.D.S's NPI number?

Nathan Graddy, D.D.S's National Provider Identifier (NPI) is 1225318025, issued on Aug 24, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Graddy, D.D.S located?

The NPPES record lists a practice address at 9721 US Highway 19, Port Richey, FL, 34668. Phone: (727) 846-7555. Providers update this record themselves, so call before visiting.

How can I verify Nathan Graddy, D.D.S's license?

NPPES lists Florida license number DN4964, 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 Nathan Graddy, D.D.S prescribe under Medicare Part D?

In 2024, Nathan Graddy, D.D.S had 18 Medicare Part D claims for 16 beneficiaries; the average among dentist prescribers was 90. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.