NPPES file of Aug 9, 2026

John P. Day, M.D.

Gastroenterology Physician · Alabaster, AL

John P. Day, M.D. is a gastroenterology physician with a practice address in Alabaster, Alabama, and NPI 1649213182, issued on Jun 13, 2006. Check the license (Alabama 13373, as entered in NPPES) on the Alabama Board of Medical Examiners; 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
1649213182
Name
John P. Day
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
13373 AL
Self-reported in NPPES; status is on the state search
Practice location
1010 1St St N, Alabaster, AL 35007
Phone
(205) 663-1023
Enumerated
Jun 13, 2006
Record last updated
Dec 4, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(205) 802-7778
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 1010 1St St N

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

  1. Andrea Grill, PA-CPhysician Assistant1962546218
  2. Stacey GrimesAudiologist1770732521
  3. James Head, MDObstetrics & Gynecology Physician1740324086
  4. William Livingston, M.D.Otolaryngology Physician1043233091
  5. Robert Loudon, M.D.Gastroenterology Physician1487608881
  6. Robert Marks, M.D.Gastroenterology Physician1972541910

Verify John P. Day in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license 13373    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 Alabama license search

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2.1 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,723 Medicare Part D claims for 687 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. John Day1,723
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium370 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf227 claims
  3. Sucralfate119 claims
  4. Omeprazole111 claims
  5. Famotidine99 claims
  6. Dicyclomine Hcl74 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: $1,624.92

101 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Day$1,624.92
  2. Specialty average$5,015.95

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

6 gastroenterology physician records list a practice address in Alabaster

They are 6 of the 433 NPPES records with a practice address in Alabaster, and 232 gastroenterology physician records in Alabama.

All 6 in Alabaster → All 232 in Alabama → Every provider in Alabaster →

Other gastroenterology physician records in Alabama

  1. Sam Abdehou, MDMobile, AL1134651656
  2. Thaer Abdelfattah, M.D.Birmingham, AL1346796091
  3. Mason Adams, M.D.Mobile, AL1770979882
  4. Rishi Agarwal, M.D.Birmingham, AL1164625257
  5. Ali Ahmed, MDBirmingham, AL1649431511
  6. Patricia Ajayi-Fox, M.D.Birmingham, AL1790166221
  7. Robert Albares, MDDothan, AL1225081177
  8. Francisco Alcocer, MDBirmingham, AL1356625396
  9. Attupuram Alexander, MDDecatur, AL1790761443
  10. Anas AljabiMobile, AL1558083881

Common questions

What is John P. Day, M.D.'s NPI number?

John P. Day, M.D.'s National Provider Identifier (NPI) is 1649213182, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John P. Day, M.D. located?

The NPPES record lists a practice address at 1010 1St St N, Alabaster, AL, 35007. Phone: (205) 663-1023. Providers update this record themselves, so call before visiting.

How can I verify John P. Day, M.D.'s license?

NPPES lists Alabama license number 13373, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John P. Day, M.D. prescribe under Medicare Part D?

In 2024, John P. Day, M.D. had 1,723 Medicare Part D claims for 687 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.