NPPES file of Aug 9, 2026

Christopher Armstrong, M.D.

Internal Medicine Physician · Apopka, FL

Christopher Armstrong, M.D. is an internal medicine physician with a practice address in Apopka, Florida, and NPI 1124465299, issued on May 30, 2013. Check the license (Florida ME130365, 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
1124465299
Name
Christopher Armstrong
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
ME130365 FL
Self-reported in NPPES; status is on the state search
Practice location
170 Winding Cove Ave, Apopka, FL 32703
Phone
(407) 906-1558
Enumerated
May 30, 2013
Record last updated
May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190503000597); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2013
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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Verify Christopher Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME130365
    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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82% fewer Medicare Part D claims than the average internal medicine physician in 2024

569 Medicare Part D claims for 246 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 54 claims were for opioids.

  1. Christopher Armstrong569
  2. Specialty average3,176

Most prescribed

  1. Metoprolol Succinate28 claims
  2. Doxycycline Hyclate26 claims
  3. Prednisone23 claims
  4. Cefdinir18 claims
  5. Furosemide17 claims
  6. Hydrocodone-Acetaminophen17 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: $241.44

2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, 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. Christopher Armstrong$241.44
  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. Mid Florida Hospital Specialists PAWinter Garden, FL

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

Christopher Armstrong among 10,151 internal medicine physician records in Florida

Christopher Armstrong, M.D. 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 2013, is newer than 66% of them.

  • NPI issued2013 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2013 · median 2004 among the 6,606 with a school on file
  • Record last updated2021 · 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).

26 internal medicine physician records list a practice address in Apopka

They are 26 of the 1,312 NPPES records with a practice address in Apopka, and 10,151 internal medicine physician records in Florida.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Khaled Abdelhalem, MDApopka, FL 327031740852524
  2. Rohitas Agarwal, M.D.Apopka, FL 327031164433116
  3. Dean Behner, MDApopka, FL 327031386629590
  4. Joyce Cortes, M.D.Apopka, FL 327031881883478
  5. Elis Cruz Salcedo, MDApopka, FL 327031902368467
  6. Pen Dasna, MDApopka, FL 327031124128285
  7. Michael Gordon, M.D.Apopka, FL 327031013905629
  8. Ignacio Hidalgo, M.D.Apopka, FL 327031447214861

Common questions

What is Christopher Armstrong, M.D.'s NPI number?

Christopher Armstrong, M.D.'s National Provider Identifier (NPI) is 1124465299, issued on May 30, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Armstrong, M.D. located?

The NPPES record lists a practice address at 170 Winding Cove Ave, Apopka, FL, 32703. Phone: (407) 906-1558. Providers update this record themselves, so call before visiting.

How can I verify Christopher Armstrong, M.D.'s license?

NPPES lists Florida license number ME130365, 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 Christopher Armstrong, M.D. prescribe under Medicare Part D?

In 2024, Christopher Armstrong, M.D. had 569 Medicare Part D claims for 246 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.