William Tallmadge, ACNP
NPI 1912080813 · Acute Care Nurse Practitioner · Tyler, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tallmadge, ACNP is a Acute Care Nurse Practitioner provider in Tyler, TX (NPI 1912080813).
Provider details
- NPI number
- 1912080813
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNP
- Sex
- Male
- Sole proprietor
- No
- License
- 664571 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
423 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 305 | $54 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 71 | $41 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 32 | $72 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 15 | $53 |
Typical Medicare-allowed amounts for these services range $41–$72 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 318 | 96 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 147 | 31 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 133 | 23 |
| Montelukast Sodium | 131 | 34 |
| Prednisone | 71 | 29 |
| Albuterol Sulfatebrand: Ventolin Hfa | 66 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,442 across 87 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
- 2006-10-23
- Last updated
- 2016-09-19
Frequently asked questions
- What is William Tallmadge's NPI number?
- William Tallmadge's National Provider Identifier (NPI) is 1912080813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tallmadge's specialty?
- William Tallmadge is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Tallmadge located?
- William Tallmadge's practice location on file with NPPES is 11937 US Highway 271, Tyler, TX 75708-3154.
- What is William Tallmadge's phone number?
- The practice phone number listed in the NPPES registry for William Tallmadge is (903) 877-7777.
- Does William Tallmadge accept Medicare?
- William Tallmadge is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tallmadge's NPI active?
- Yes — William Tallmadge's NPI (1912080813) is active in the NPPES registry as of the last update on 2016-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.