NPPES file of Aug 9, 2026

Yoko Momoyama, MD

Internal Medicine Physician · Lombard, IL

Yoko Momoyama, MD is an internal medicine physician with a practice address in Lombard, Illinois, and NPI 1801863253, issued on Mar 3, 2006. Check the license (Illinois 036104066, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1801863253
Name
Yoko Momoyama
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036104066 IL
Self-reported in NPPES; status is on the state search
Practice location
1801 S Highland Ave, Lombard, IL 60148
Phone
(630) 627-4722
Enumerated
Mar 3, 2006
Record last updated
Aug 16, 2023
Medicaid ID
036104066 IL
Medicare enrollment
Enrolled (PECOS I20040216000800); accepts Medicare assignment
Medical or professional school
New York Medical College, 1996
Telehealth
Offers telehealth (CMS)
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 1801 S Highland Ave

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

  1. Nozaina Aftab, MDInfectious Disease Physician1629158662
  2. Julie Andreas, DPMFoot & Ankle Surgery Podiatrist1740267707
  3. Julia Andreoni, M.D.Internal Medicine Physician1184601148
  4. Jamie ArnesonAthletic Trainer1841754975
  5. Jennifer Barnes, PTPhysical Therapist1326279811
  6. Ojash Bhagwakar, MDInternal Medicine Physician1740255298

Verify Yoko Momoyama in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036104066
    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 Illinois 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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4.3 times the Medicare Part D claims of the average internal medicine physician in 2024

13,779 Medicare Part D claims for 679 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 203 claims were for opioids.

  1. Yoko Momoyama13,779
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium610 claims
  2. Amlodipine Besylate548 claims
  3. Atorvastatin Calcium526 claims
  4. Metoprolol Succinate459 claims
  5. Fluticasone Propionate372 claims
  6. Losartan Potassium319 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: $717.01

9 payments; by number, the most common kind was food and beverage; the largest payer was Eli Lilly and Company. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yoko Momoyama$717.01
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Dupage Medical Group LtdSchaumburg, IL
  2. Dynamic Physical Therapy, Inc.Oak Park, IL

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

Yoko Momoyama among 7,238 internal medicine physician records in Illinois

Yoko Momoyama, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1996 · median 2003 among the 3,580 with a school on file
  • Record last updated2023 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 internal medicine physician records list a practice address in Lombard

They are 38 of the 1,347 NPPES records with a practice address in Lombard, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kris Alloju, MDLombard, IL 601481760478671
  2. Julia Andreoni, M.D.Lombard, IL 601481184601148
  3. Carl Barsanti, M.D.Lombard, IL 601481861450637
  4. Ojash Bhagwakar, MDLombard, IL 601481740255298
  5. David Dungan, MDLombard, IL 601481558336057
  6. Catherine Grotelueschen, M.D.Lombard, IL 601481346208428
  7. Jacques Jentel, M.D.Lombard, IL 601481336115583
  8. Kathleen Kicsak, MDLombard, IL 601481235105396

Common questions

What is Yoko Momoyama, MD's NPI number?

Yoko Momoyama, MD's National Provider Identifier (NPI) is 1801863253, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yoko Momoyama, MD located?

The NPPES record lists a practice address at 1801 S Highland Ave, Lombard, IL, 60148. Phone: (630) 627-4722. Providers update this record themselves, so call before visiting.

How can I verify Yoko Momoyama, MD's license?

NPPES lists Illinois license number 036104066, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yoko Momoyama, MD prescribe under Medicare Part D?

In 2024, Yoko Momoyama, MD had 13,779 Medicare Part D claims for 679 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.

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.