NPPES file of Aug 9, 2026

Marshall S. Spencer, M.D.

Cardiovascular Disease Physician · Midland, MI

Marshall S. Spencer, M.D. is a cardiovascular disease physician with a practice address in Midland, Michigan, and NPI 1609921048, issued on Jan 24, 2007. Check the license (Michigan 4301033961, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1609921048
Name
Marshall S. Spencer
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
4301033961 MI
Self-reported in NPPES; status is on the state search
Practice location
4005 Orchard Dr, Midland, MI 48670
Phone
(517) 336-5176
Enumerated
Jan 24, 2007
Record last updated
Feb 18, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(517) 336-5475
Medicaid ID
4845588 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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Also registered at 4005 Orchard Dr

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

  1. Craig Adams, M.D.Emergency Medicine Physician1982647384
  2. Jeffery Allen, M.D.Emergency Medicine Physician1467496307
  3. David Badini, CRNACertified Registered Nurse Anesthetist1871670265
  4. Wayne Bedell, D.O.Anesthesiology Physician1558393074
  5. Cheryl Bednar, CRNACertified Registered Nurse Anesthetist1649392937
  6. Bernard Betka, CRNACertified Registered Nurse Anesthetist1063502797

Verify Marshall S. Spencer 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 4301033961
    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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Industry payments in 2024: $98.62

1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marshall Spencer$98.62
  2. Specialty average$3,819.56

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

Marshall S. Spencer among 860 cardiovascular disease physician records in Michigan

Marshall S. Spencer, M.D. is one of 860 cardiovascular disease physician records with a practice address in Michigan. 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 2007, is newer than 56% of them.

  • NPI issued2007 · 56% of these records are older, 34% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2008 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Michigan

There are 860 cardiovascular disease physician records in Michigan.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Aliya Browne, DOWest Branch, MI 486611154361400
  2. Mark Sierra, MDWest Branch, MI 486611639381593
  3. Samer Ali-Hasan, M.D.Midland, MI 486401699869503
  4. Waleed Doghmi, M.D.Midland, MI 486401023010204
  5. Robert Genovese, MDMidland, MI 486401427038900
  6. Jeffrey Martindale, D.O.Midland, MI 486401013158906
  7. Stephen Mattichak, MDMidland, MI 486401013930189
  8. Susan Sallach, MDMidland, MI 486401659338630

Common questions

What is Marshall S. Spencer, M.D.'s NPI number?

Marshall S. Spencer, M.D.'s National Provider Identifier (NPI) is 1609921048, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Marshall S. Spencer, M.D. located?

The NPPES record lists a practice address at 4005 Orchard Dr, Midland, MI, 48670. Phone: (517) 336-5176. Providers update this record themselves, so call before visiting.

How can I verify Marshall S. Spencer, M.D.'s license?

NPPES lists Michigan license number 4301033961, 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. 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.