NPPES file of Aug 9, 2026

Nicholas Gier, M.D.

Internal Medicine Physician · Kansas City, MO

Nicholas Gier, M.D. is an internal medicine physician with a practice address in Kansas City, Missouri, and NPI 1558725291, issued on Apr 8, 2016. Check the license (Missouri 2021004745, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1558725291
Name
Nicholas Gier
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2021004745 MO
Self-reported in NPPES; status is on the state search
Practice location
2301 Holmes St, Kansas City, MO 64108
Phone
(816) 404-4175
Enumerated
Apr 8, 2016
Record last updated
Apr 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210910002113); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 2016
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 internal medicine physician records → All 2,604 in Missouri → Look up another NPI →

Also registered at 2301 Holmes St

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

  1. Abdelrahman Abaza, MBBCHStudent in an Organized Health Care Education/Training Program1194646968
  2. Ume Abbas, MDInfectious Disease Physician1790756179
  3. Asem Abdeljalil, M.D.Pulmonary Disease Physician1861410706
  4. Adebola AbogunrinStudent in an Organized Health Care Education/Training Program1316889165
  5. Islam AboumoussaStudent in an Organized Health Care Education/Training Program1790346518
  6. Melissa Abramovitz, FNP-BCFamily Nurse Practitioner1679170005

Verify Nicholas Gier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2021004745    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 Missouri license search

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

287 Medicare Part D claims for 150 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Nicholas Gier287
  2. Specialty average3,176

Most prescribed

  1. Prednisone20 claims
  2. Eliquis17 claims
  3. Pantoprazole Sodium16 claims
  4. Amoxicillin-Clavulanate Potass11 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.

Bills Medicare through 2 group practices

  1. Excelsior Springs City HospitalExcelsior Springs, MO
  2. Gates Hospitalists LLCNorth Kansas City, MO

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

Nicholas Gier among 2,604 internal medicine physician records in Missouri

Nicholas Gier, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 64% of them.

  • NPI issued2016 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2016 · median 2006 among the 1,443 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

243 internal medicine physician records list a practice address in Kansas City

They are 243 of the 13,759 NPPES records with a practice address in Kansas City, and 2,604 internal medicine physician records in Missouri.

All 2,604 in Missouri → Every provider in Kansas City → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Faisal Ahmad, M.D.Kansas City, MO 641081912090879
  2. Richard Butin, MDKansas City, MO 641081053376806
  3. Maniza Ehtesham, MDKansas City, MO 641081124052386
  4. Sara Gardner, M.D.Kansas City, MO 641081376572735
  5. Richard Harlow, M.D.Kansas City, MO 641081689667628
  6. David Hermanns, MDKansas City, MO 641081063477701
  7. Geetha Kamath, M. DKansas City, MO 641081083727515
  8. Jared Keeler, MDKansas City, MO 641081124083316

Common questions

What is Nicholas Gier, M.D.'s NPI number?

Nicholas Gier, M.D.'s National Provider Identifier (NPI) is 1558725291, issued on Apr 8, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Gier, M.D. located?

The NPPES record lists a practice address at 2301 Holmes St, Kansas City, MO, 64108. Phone: (816) 404-4175. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Gier, M.D.'s license?

NPPES lists Missouri license number 2021004745, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nicholas Gier, M.D. prescribe under Medicare Part D?

In 2024, Nicholas Gier, M.D. had 287 Medicare Part D claims for 150 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.

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.