Ling Twohig, DO
NPI 1750523684 · Interventional Cardiology Physician · Beloit, WI
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ling Twohig, DO is a Interventional Cardiology Physician provider in Beloit, WI (NPI 1750523684).
Provider details
- NPI number
- 1750523684
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 02006049A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
756 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 150 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $93 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 82 | $72 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 78 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 57 | $128 |
| Electrocardiogram (ecg) 2-Day Continuous With Review By Health Care Professional |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 231 | 111 |
| Atorvastatin Calcium | 209 | 92 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 164 | 73 |
| Amlodipine Besylate | 140 | 62 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 119 | 57 |
| Metoprolol Tartrate | 109 | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20,054 across 74 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 201 Independence Dr.14th Mdg/SgqColumbus, MS 39710-0001Phone: (662) 434-2205
- 1818 N Meade StAppleton, WI 54911-3454Phone: (920) 731-8900Fax: (920) 738-5369
- 3400 Ministry PkwyWeston, WI 54476-5213Phone: (715) 383-1000
Registry dates
- Enumerated
- 2009-03-24
- Last updated
- 2025-09-30
- Certified
- 2025-09-30
Frequently asked questions
- What is Ling Twohig's NPI number?
- Ling Twohig's National Provider Identifier (NPI) is 1750523684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ling Twohig's specialty?
- Ling Twohig is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ling Twohig located?
- Ling Twohig's practice location on file with NPPES is Beloit Memorial Hospital, Beloit, WI 53511-2283.
- What is Ling Twohig's phone number?
- The practice phone number listed in the NPPES registry for Ling Twohig is (608) 364-5011.
- Does Ling Twohig accept Medicare?
- Ling Twohig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ling Twohig's NPI active?
- Yes — Ling Twohig's NPI (1750523684) is active in the NPPES registry as of the last update on 2025-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.