NPPES file of Aug 9, 2026

Charles Langdon, MD

Internal Medicine Physician · Grand Rapids, MI

Charles Langdon, MD is an internal medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1871541300, issued on May 5, 2006. Check the license (Michigan 4301041022, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871541300
Name
Charles Langdon
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301041022 MI
Self-reported in NPPES; status is on the state search
Practice location
2332 Alpine Ave NW, Grand Rapids, MI 49544
Phone
(616) 391-2503
Enumerated
May 5, 2006
Record last updated
Nov 19, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(616) 391-6219
Medicaid IDs
4773765 MI
4770914 MI
4770960 MI
4774010 MI
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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8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →

Also registered at 2332 Alpine Ave NW

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

  1. Christopher Barnes, DOFamily Medicine Physician1225079866
  2. Gregor Bennett, PAPhysician Assistant1093828121
  3. Ginger Biesbrock, PA-CPhysician Assistant1477534642
  4. Gary Bliss, MDFamily Medicine Physician1821056565
  5. Samuel Boerckel, PA-CPhysician Assistant1538801451
  6. Andrew Booth, PAPhysician Assistant1245343466

Verify Charles Langdon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301041022    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 Michigan 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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Charles Langdon among 5,735 internal medicine physician records in Michigan

Charles Langdon, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2012 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

451 internal medicine physician records list a practice address in Grand Rapids

They are 451 of the 18,005 NPPES records with a practice address in Grand Rapids, and 5,735 internal medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,735 in Michigan → Every provider in Grand Rapids → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jennifer Brown, M.D.Grand Rapids, MI 495441285654566
  2. Jennifer Hemingway, D.O.Grand Rapids, MI 495441275597635
  3. Arashdeep Litt, MDGrand Rapids, MI 495441386807139
  4. Theresa Osborne, MDGrand Rapids, MI 495441326087057
  5. James Pochert, MDGrand Rapids, MI 495441053364208
  6. Piyush Bhatnagar, M.D.Grand Rapids, MI 495461811961907
  7. Roderick Kim, M.D.Grand Rapids, MI 495461922066984
  8. Robert Lang, MDGrand Rapids, MI 495461871597377

Common questions

What is Charles Langdon, MD's NPI number?

Charles Langdon, MD's National Provider Identifier (NPI) is 1871541300, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Langdon, MD located?

The NPPES record lists a practice address at 2332 Alpine Ave NW, Grand Rapids, MI, 49544. Phone: (616) 391-2503. Providers update this record themselves, so call before visiting.

How can I verify Charles Langdon, MD's license?

NPPES lists Michigan license number 4301041022, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.