Registry data as of Aug 27, 2026

Fabian Arnaldo, MD

Internal Medicine Physician · Saint Joseph, MI

Fabian Arnaldo, MD is an internal medicine physician with a practice address in Saint Joseph, Michigan, and NPI 1245382852, issued on Jan 17, 2007. Check the license (Michigan EMC0004314, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245382852
Name
Fabian Arnaldo
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
EMC0004314 MI
01067582A IN
Self-reported in NPPES; status is on the state search
Practice location
3950 Hollywood RD Ste 100, Saint Joseph, MI 49085
Phone
(269) 985-1000
Enumerated
Jan 17, 2007
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 3950 Hollywood RD Ste 100

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

  1. Erin Beckman, CNMAdvanced Practice Midwife1538812359
  2. Heather Figueroa, M.D.Obstetrics & Gynecology Physician1518120625
  3. Betsy Fuzi, CNMAdvanced Practice Midwife1659949998
  4. Cynthia-Mendon Kelrick, CNMAdvanced Practice Midwife1407499908
  5. Chelsia Love, CNMFamily Nurse Practitioner1891349288
  6. James MaskillFoot & Ankle Surgery Podiatrist1992064497

Verify Fabian Arnaldo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license EMC0004314
    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.

70% fewer Medicare Part D claims than the average internal medicine physician in 2024

824 Medicare Part D claims for 226 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Fabian Arnaldo824
  2. Specialty average2,785

Most prescribed

  1. Metoprolol Succinate143 claims
  2. Eliquis123 claims
  3. Amiodarone Hcl109 claims
  4. Flecainide Acetate61 claims
  5. Spironolactone36 claims
  6. Atorvastatin Calcium34 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: $187.56

5 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Fabian Arnaldo$187.56
  2. Specialty average$2,536.66

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

3 hospital and facility affiliations

  1. Deaconess Specialty Physicians, IncNewburgh, IN
  2. Lakeland Hospitals AT Niles And St Joseph IncSaint Joseph, MI
  3. Lakeland Medical PracticesSaint Joseph, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

48 internal medicine physician records list a Saint Joseph practice address

They are 48 of the 1,038 NPPES records with a Saint Joseph practice address, and 6,589 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Keith Aaronson, MDAnn Arbor, MI1144305301
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Hawazin Abbas, MDAuburn Hills, MI1699020677
  5. Imran Abbasi, D.O.Warren, MI1427409887
  6. Ramzi Abbasi, MDSaginaw, MI1164270005
  7. Saadat Abbasi, MDKalamazoo, MI1912005596
  8. Shahzaman Abbasi, MDLansing, MI1376512111
  9. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  10. Joseph Abbo, MDYpsilanti, MI1982136503

Common questions

What is Fabian Arnaldo, MD's NPI number?

Fabian Arnaldo, MD's National Provider Identifier (NPI) is 1245382852, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Fabian Arnaldo, MD located?

The NPPES record lists a practice address at 3950 Hollywood RD Ste 100, Saint Joseph, MI, 49085. Phone: (269) 985-1000. Providers update this record themselves, so call before visiting.

How can I verify Fabian Arnaldo, MD's license?

NPPES lists Michigan license number EMC0004314, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Fabian Arnaldo, MD prescribe under Medicare Part D?

In 2024, Fabian Arnaldo, MD had 824 Medicare Part D claims for 226 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.