DR. LING DAN TWOHIG DO
NPI 1750523684
Internal Medicine - Interventional Cardiology in Lebanon, IN
About Dr. Ling Dan Twohig Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LING DAN TWOHIG DO (NPI 1750523684) is an individual interventional cardiology provider in Lebanon, Indiana, licensed in Wisconsin (77847) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Northwest Health - Porter, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ling Dan Twohig Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
16Medicare enrollment records show Ling Twohig reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lebanon, IN 46052
- Reassigned Medicare billing, Indiana enrollment
- 144 clinicians in this Medicare group
Linton, IN 47441
- Reassigned Medicare billing, Indiana enrollment
- 264 clinicians in this Medicare group
Valparaiso, IN 46383
- Reassigned Medicare billing, Indiana enrollment
- 153 clinicians in this Medicare group
Valparaiso, IN 46383
- Reassigned Medicare billing, Indiana enrollment
- 177 clinicians in this Medicare group
Salem, IN 47167
- Reassigned Medicare billing, Indiana enrollment
- 532 clinicians in this Medicare group
Middletown, OH 45044
- Reassigned Medicare billing, Ohio enrollment
- 812 clinicians in this Medicare group
Evansville, IN 47710
- Reassigned Medicare billing, Indiana enrollment
- 717 clinicians in this Medicare group
Juneau, WI 53039
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Health - Porter
Acute Care Hospitals · Valparaiso, INBaptist Health Floyd
Acute Care Hospitals · New Albany, INSt Mary's Medical Center
Acute Care Hospitals · Blue Springs, MOMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIMarshfield Medical Center - Weston
Acute Care Hospitals · Weston, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46052 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ling Twohig's NPI number?
The NPI number for Ling Twohig is 1750523684. It was assigned to this individual provider in the NPPES registry on March 24, 2009.
Where is Ling Twohig located?
Ling Twohig practices at 2605 N Lebanon St, Lebanon, IN 46052. The listed phone number is (765) 485-8000.
What is Ling Twohig's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Ling Twohig enrolled in Medicare?
Yes. Ling Twohig is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ling Twohig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ling Twohig reassigns Medicare benefits to 16 organizations: Witham Memorial Hospital (Lebanon, IN), Deaconess Specialty Physicians Inc (Linton, IN), La Porte Clinic Company LLC (Valparaiso, IN), Porter Physician Services LLC (Valparaiso, IN), Baptist Health Medical Group Inc (Salem, IN) and 11 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ling Twohig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ling Twohig accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource, HealthPartners, MedMutual and Sanford Health Plan and 1 other insurer list Ling Twohig as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ling Twohig affiliated with any hospitals?
According to CMS data, Ling Twohig is affiliated with Northwest Health - Porter, Baptist Health Floyd, St Mary's Medical Center, Marshfield Medical Center and Marshfield Medical Center - Weston.
When was this NPI record last updated?
The NPPES record for Ling Twohig was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Ling Dan Twohig, DO · NPI 1750523684
Interventional Cardiology physician in Lebanon, Indiana. Individual provider, active in the CMS NPPES registry since March 24, 2009.
## Identity
- **NPI:** 1750523684 (Entity type: Individual)
- **Enumerated:** March 24, 2009
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 77847 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2605 N LEBANON ST, Lebanon, IN 46052-1476
- **Phone:** (765) 485-8000 · **Fax:** (765) 485-8749
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 16 organizations under Medicare reassignment (form CMS-855R): Witham Memorial Hospital (NPI 1083750293, Lebanon, IN); Deaconess Specialty Physicians Inc (NPI 1336956408, Linton, IN); La Porte Clinic Company LLC (NPI 1568829224, Valparaiso, IN); Porter Physician Services LLC (NPI 1508075680, Valparaiso, IN); Baptist Health Medical Group Inc (NPI 1225633761, Salem, IN); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un College Of Osteopathic Medicine, Vallejo, class of 2008
## Record status
- **NPPES last updated:** October 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1750523684) · Data from the CMS NPPES public registry.