NPPES file of Aug 9, 2026

Sharon Crimmins Marx, M.D.

Geriatric Medicine (Internal Medicine) Physician · Minnetonka, MN

Sharon Crimmins Marx, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Minnetonka, Minnesota, and NPI 1992856553, issued on Jan 12, 2007. Check the license (Minnesota 29870, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1992856553
Name
Sharon Crimmins Marx
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
29870 MN
Self-reported in NPPES; status is on the state search
Practice location
9701 Data Park, Minnetonka, MN 55343
Phone
(800) 896-8936
Enumerated
Jan 12, 2007
Record last updated
Jun 30, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(888) 866-3209
Medicaid ID
8600805-00 MN
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 geriatric medicine (internal medicine) physician records → All 76 in Minnesota → Look up another NPI →

Also registered at 9701 Data Park

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

  1. Jennifer Dart, RN, CNPGerontology Nurse Practitioner1376567404
  2. Mary Lagaard, RN, CNPGerontology Nurse Practitioner1992734826
  3. Marilyn Rima, RN, CNPGerontology Nurse Practitioner1942239801
  4. David Rockmaker, RNRegistered Nurse1417317439

Verify Sharon Crimmins Marx in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 29870    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 Minnesota 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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Sharon Crimmins Marx among 76 geriatric medicine (internal medicine) physician records in Minnesota

Sharon Crimmins Marx, M.D. is one of 76 geriatric medicine (internal medicine) physician records with a practice address in Minnesota. 67% 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 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 43% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2009 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Minnesota

There are 76 geriatric medicine (internal medicine) physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 76 in Minnesota → Every provider in Minnetonka → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Dennis Hsieh, MDMinnetonka, MN 553431649329038
  2. David Martin, M.D.Minnetonka, MN 553431861540627
  3. Daniel Stein, MDExcelsior, MN 553311669449674
  4. Emily Escue, MDMinneapolis, MN 554041407295124
  5. Anne Murray, MD, MSCMinneapolis, MN 554041427099175
  6. Maria Hoenack-Cadavid, MDMinneapolis, MN 554071659326684
  7. Robert Sonntag, MDMinneapolis, MN 554071699741397
  8. Robert Helgren, MDMinneapolis, MN 554131336177971

Common questions

What is Sharon Crimmins Marx, M.D.'s NPI number?

Sharon Crimmins Marx, M.D.'s National Provider Identifier (NPI) is 1992856553, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sharon Crimmins Marx, M.D. located?

The NPPES record lists a practice address at 9701 Data Park, Minnetonka, MN, 55343. Phone: (800) 896-8936. Providers update this record themselves, so call before visiting.

How can I verify Sharon Crimmins Marx, M.D.'s license?

NPPES lists Minnesota license number 29870, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. 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.