Thomas Tamlyn, MD
NPI 1831176338 · Interventional Cardiology Physician · Appleton, WI
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Tamlyn, MD is a Interventional Cardiology Physician provider in Appleton, WI (NPI 1831176338).
Provider details
- NPI number
- 1831176338
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036102781 (IL)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
846 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 202 | $119 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 102 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 92 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 73 | $8 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 51 | $11 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 552 | 174 |
| Apixabanbrand: Eliquis | 467 | 122 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 330 | 112 |
| Furosemide | 250 | 96 |
| Metoprolol Tartrate | 227 | 82 |
| Sacubitril/Valsartanbrand: Entresto | 203 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$624 across 24 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
Registry dates
- Enumerated
- 2005-12-27
- Last updated
- 2020-04-21
- Certified
- 2020-04-21
Frequently asked questions
- What is Thomas Tamlyn's NPI number?
- Thomas Tamlyn's National Provider Identifier (NPI) is 1831176338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Tamlyn's specialty?
- Thomas Tamlyn is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Tamlyn located?
- Thomas Tamlyn's practice location on file with NPPES is 5045 W Grande Market Dr, Appleton, WI 54913-8517.
- What is Thomas Tamlyn's phone number?
- The practice phone number listed in the NPPES registry for Thomas Tamlyn is (920) 886-9380.
- Does Thomas Tamlyn accept Medicare?
- Thomas Tamlyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Tamlyn's NPI active?
- Yes — Thomas Tamlyn's NPI (1831176338) is active in the NPPES registry as of the last update on 2020-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.