NPPES file of Aug 9, 2026

Ling Dan Twohig, DO

Interventional Cardiology Physician · Beloit, WI

Ling Dan Twohig, DO is an interventional cardiology physician with a practice address in Beloit, Wisconsin, and NPI 1750523684, issued on Mar 24, 2009. Check the license (Wisconsin 77847, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750523684
Name
Ling Dan Twohig
Credential
DO
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License numbers
77847 WI
22007 WI
22007-875 WI
02006049A IN
OP 60100157 WA
Self-reported in NPPES; status is on the state search
Practice location
Beloit Memorial Hospital, Beloit, WI 53511
Phone
(608) 364-5011
Enumerated
Mar 24, 2009
Record last updated
Sep 30, 2025
Fax
(608) 364-5452
Medicare enrollment
Enrolled (PECOS I20220316000326); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2008
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 Beloit Memorial Hospital

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

  1. Shawn Antle, M.D.Hospitalist Physician1336163922
  2. Heather Breen, M.D.Hospitalist Physician1740547702
  3. Ruth Christiansen, N.P.Nurse Practitioner1376079947
  4. Emily Dempsey, NPNurse Practitioner1437874930
  5. Jennifer Dochee, M.D.Interventional Cardiology Physician1093992836
  6. Daniel Hart, M.D.Hospitalist Physician1922412980

Verify Ling Dan Twohig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 77847
    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 Wisconsin license search

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31% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

2,181 Medicare Part D claims for 568 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Ling Twohig2,181
  2. Specialty average3,179

Most prescribed

  1. Metoprolol Succinate231 claims
  2. Atorvastatin Calcium209 claims
  3. Isosorbide Mononitrate Er164 claims
  4. Amlodipine Besylate140 claims
  5. Clopidogrel119 claims
  6. Metoprolol Tartrate109 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 73.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score58.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $20,054.30

74 payments; by number, the most common kind was food and beverage; the largest payer was Philips North America LLC. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ling Twohig$20,054
  2. Specialty average$7,062

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

Bills Medicare through 3 group practices

  1. Mchs Hospitals IncMarshfield, WI
  2. Porter Physician Services LLCChesterton, IN
  3. Premier Health Specialists IncTroy, OH

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

Ling Dan Twohig among 129 interventional cardiology physician records in Wisconsin

Ling Dan Twohig, DO is one of 129 interventional cardiology physician records with a practice address in Wisconsin. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 74% of them.

  • NPI issued2009 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated2008 · median 1998 among the 111 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in Wisconsin

There are 129 interventional cardiology physician records in Wisconsin.

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. Jennifer Dochee, M.D.Beloit, WI 535111093992836
  2. Zubair Syed, M.D.Janesville, WI 535481609819598
  3. Gurmeet Singh, DOMonroe, WI 535661558776781
  4. Muhammad Sarki, MDMount Pleasant, WI 534051730436817
  5. David Lewis, MDMadison, WI 537131760456354
  6. Matthew Wolff, MDMadison, WI 537131528029964
  7. Alok Bachuwar, MDMadison, WI 537151730303264
  8. James Ballard, M.D.Madison, WI 537151508209354

Common questions

What is Ling Dan Twohig, DO's NPI number?

Ling Dan Twohig, DO's National Provider Identifier (NPI) is 1750523684, issued on Mar 24, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Ling Dan Twohig, DO located?

The NPPES record lists a practice address at Beloit Memorial Hospital, Beloit, WI, 53511. Phone: (608) 364-5011. Providers update this record themselves, so call before visiting.

How can I verify Ling Dan Twohig, DO's license?

NPPES lists Wisconsin license number 77847, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ling Dan Twohig, DO prescribe under Medicare Part D?

In 2024, Ling Dan Twohig, DO had 2,181 Medicare Part D claims for 568 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.

What is Ling Dan Twohig, DO's MIPS final score?

The 2023 MIPS final score is 73.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.