Timothy Welsch, PA
NPI 1649228891 · Physician Assistant · Oconomowoc, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Welsch, PA is a Physician Assistant provider in Oconomowoc, WI (NPI 1649228891).
Provider details
- NPI number
- 1649228891
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 1518-023 (WI)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
113 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 66 | $136 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 47 | $94 |
Typical Medicare-allowed amounts for these services range $94–$136 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 23 | 23 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 17 | 17 |
| Ondansetronbrand: Ondansetron Odt | 16 | 15 |
| Prednisone | 14 | 14 |
| Ciprofloxacin Hcl | 13 | 13 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 13 | 13 |
| Amoxicillin/Potassium Clav |
Practice location
Mailing address
Additional practice locations (1)
- 2900 W Oklahoma AveMilwaukee, WI 53215-4330Phone: (414) 649-6588Fax: (770) 237-1723
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2026-05-15
- Certified
- 2026-05-15
Frequently asked questions
- What is Timothy Welsch's NPI number?
- Timothy Welsch's National Provider Identifier (NPI) is 1649228891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Welsch's specialty?
- Timothy Welsch is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy Welsch located?
- Timothy Welsch's practice location on file with NPPES is 1284 N Summit Ave, Oconomowoc, WI 53066-4459.
- What is Timothy Welsch's phone number?
- The practice phone number listed in the NPPES registry for Timothy Welsch is (262) 569-3080.
- Does Timothy Welsch accept Medicare?
- Timothy Welsch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Welsch's NPI active?
- Yes — Timothy Welsch's NPI (1649228891) is active in the NPPES registry as of the last update on 2026-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.