NPPES file of Aug 9, 2026

Ronald J. Pak, MD

Physical Medicine & Rehabilitation Physician · Springfield, MO

Ronald J. Pak, MD is a physical medicine & rehabilitation physician with a practice address in Springfield, Missouri, and NPI 1225171911, issued on Feb 14, 2007. Check the license (Missouri 109763, 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
1225171911
Name
Ronald J. Pak
Credential
MD
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
109763 MO
Self-reported in NPPES; status is on the state search
Practice location
1235 E Cherokee St, Springfield, MO 65804
Phone
(417) 820-2364
Enumerated
Feb 14, 2007
Record last updated
Oct 3, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(417) 820-7136
Medicaid IDs
208196808 MO
128989001 AR
Medicare enrollment
Enrolled (PECOS I20100810000102); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1988
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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Also registered at 1235 E Cherokee St

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

  1. Muhammad Khalid Abbas, M.D.Internal Medicine Physician1447877089
  2. Laith Abushanab, MDEmergency Medical Services (Emergency Medicine) Physician1669046645
  3. McKenzie Adam-Hager, CRNACertified Registered Nurse Anesthetist1720714587
  4. Omar Al-Taweel, MBBSInterventional Cardiology Physician1619428307
  5. Eric Albaugh, CRNACertified Registered Nurse Anesthetist1184965212
  6. Julie Alford, MDDiagnostic Radiology Physician1720126691

Verify Ronald J. Pak 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 109763
    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

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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9% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

793 Medicare Part D claims for 145 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 158 claims were for opioids.

  1. Ronald Pak793
  2. Specialty average727

Most prescribed

  1. Oxycodone Hcl51 claims
  2. Baclofen44 claims
  3. Hydrocodone-Acetaminophen40 claims
  4. Eliquis38 claims
  5. Tizanidine Hcl37 claims
  6. Gabapentin30 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 one group practice

  1. Mercy Clinic Springfield CommunitiesSpringfield, MO

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

Ronald J. Pak among 282 physical medicine & rehabilitation physician records in Missouri

Ronald J. Pak, MD is one of 282 physical medicine & rehabilitation physician records with a practice address in Missouri. 62% 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 35% of them.

  • NPI issued2007 · 35% of these records are older, 59% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1988 · median 2008 among the 145 with a school on file
  • Record last updated2014 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Missouri

There are 282 physical medicine & rehabilitation physician records in Missouri.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Julia Griesemer, MDSpringfield, MO 658041033252945
  2. Totka Koutzeva-Dussel, MDSpringfield, MO 658041821495607
  3. Jesse Neeley, DOSpringfield, MO 658041144421876
  4. Bradley Schuessler, M.D.Springfield, MO 658041942658240
  5. Rana Tenorio, MDSpringfield, MO 658041376507434
  6. Charles Mauldin, M.D.Springfield, MO 658021194718270
  7. Russell Bond, D.O.Springfield, MO 658071871608406
  8. Boyd Crockett, M.D.Springfield, MO 658071427166537

Common questions

What is Ronald J. Pak, MD's NPI number?

Ronald J. Pak, MD's National Provider Identifier (NPI) is 1225171911, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ronald J. Pak, MD located?

The NPPES record lists a practice address at 1235 E Cherokee St, Springfield, MO, 65804. Phone: (417) 820-2364. Providers update this record themselves, so call before visiting.

How can I verify Ronald J. Pak, MD's license?

NPPES lists Missouri license number 109763, 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 Ronald J. Pak, MD prescribe under Medicare Part D?

In 2024, Ronald J. Pak, MD had 793 Medicare Part D claims for 145 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.

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.