NPPES file of Aug 9, 2026

John Michael Ham-Ying, M.D.

Family Medicine Physician · Deltona, FL

John Michael Ham-Ying, M.D. is a family medicine physician with a practice address in Deltona, Florida, and NPI 1780683870, issued on Jul 20, 2005. Check the license (Florida ME46938, 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
1780683870
Name
John Michael Ham-Ying
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
ME46938 FL
Self-reported in NPPES; status is on the state search
Practice location
1200 Deltona Blvd Apt 40A, Deltona, FL 32725
Phone
(386) 202-6025
Enumerated
Jul 20, 2005
Record last updated
Jul 22, 2024
Medicaid ID
258351800 FL
Medicare enrollment
Enrolled (PECOS I20041112000970); accepts Medicare assignment
Medical or professional school
Meharry Medical College School Of Medicine, 1981
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 medicine physician records → All 9,399 in Florida → Look up another NPI →

Also registered at 1200 Deltona Blvd Apt 40A

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

  1. Michelle Gill, PHARMDPharmacist1992586739
  2. Pedro OrtizMedical Physician Assistant1629502463
  3. Alondra Ortiz De Jesus, PA-CMedical Physician Assistant1740019371
  4. Toneia Washington, DDSDentist1972474674
  5. Madison Zaferatos, PA-CMedical Physician Assistant1902635360

Verify John Michael Ham-Ying in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME46938    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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11% fewer Medicare Part D claims than the average family medicine physician in 2024

3,151 Medicare Part D claims for 338 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. John Ham-Ying3,151
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium183 claims
  2. Lisinopril175 claims
  3. Amlodipine Besylate135 claims
  4. Metformin Hcl93 claims
  5. Metoprolol Tartrate91 claims
  6. Gabapentin86 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: $467.64

25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Ham-Ying$467.64
  2. Specialty average$902.55

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. Northeast Florida Health Services, IncDeland, FL

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

John Michael Ham-Ying among 9,399 family medicine physician records in Florida

John Michael Ham-Ying, M.D. is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1981 · median 2004 among the 5,504 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 family medicine physician records list a practice address in Deltona

They are 17 of the 692 NPPES records with a practice address in Deltona, and 9,399 family medicine physician records in Florida.

All 9,399 in Florida → Every provider in Deltona → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Mansi Amin, MDDeltona, FL 327251588196125
  2. Shrish Calla, MDDeltona, FL 327251497976526
  3. Nally Calzado-Ricketts, MDDeltona, FL 327251790206779
  4. Joanna Edwards, MDDeltona, FL 327251558791434
  5. Pamela Hall, MDDeltona, FL 327251255412466
  6. Evelyn Rodriguez, MDDeltona, FL 327251083791941
  7. Simin SalehiDeltona, FL 327251306941299
  8. Pooja Shankar, M.D.Deltona, FL 327251093249906

Common questions

What is John Michael Ham-Ying, M.D.'s NPI number?

John Michael Ham-Ying, M.D.'s National Provider Identifier (NPI) is 1780683870, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Michael Ham-Ying, M.D. located?

The NPPES record lists a practice address at 1200 Deltona Blvd Apt 40A, Deltona, FL, 32725. Phone: (386) 202-6025. Providers update this record themselves, so call before visiting.

How can I verify John Michael Ham-Ying, M.D.'s license?

NPPES lists Florida license number ME46938, 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 Michael Ham-Ying, M.D. prescribe under Medicare Part D?

In 2024, John Michael Ham-Ying, M.D. had 3,151 Medicare Part D claims for 338 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.