Mark Tilley, PA-C
NPI 1720177884 · Surgical Physician Assistant · Woodland, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Tilley, PA-C is a Surgical Physician Assistant provider in Woodland, CA (NPI 1720177884).
Provider details
- NPI number
- 1720177884
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA22733 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
1,004 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 | 336 | $86 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 278 | $13 |
| Automated Urinalysis Test81003 | 209 | $2 |
| Simple Insertion of Temporary Bladder Tube51702 | 40 | $60 |
| Electronic Assessment of Bladder Emptying51741 | 39 | $13 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 38 | $104 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 456 | 165 |
| Finasteride | 179 | 59 |
| Mirabegronbrand: Myrbetriq | 97 | 32 |
| Cefuroxime Axetilbrand: Cefuroxime | 46 | 37 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 45 | 32 |
| Doxazosin Mesylate | 41 | — |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$155 across 2 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
- 2006-10-12
- Last updated
- 2022-11-28
- Certified
- 2022-11-28
Frequently asked questions
- What is Mark Tilley's NPI number?
- Mark Tilley's National Provider Identifier (NPI) is 1720177884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Tilley's specialty?
- Mark Tilley is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Tilley located?
- Mark Tilley's practice location on file with NPPES is 2081 Bronze Star Dr, Woodland, CA 95776-5423.
- What is Mark Tilley's phone number?
- The practice phone number listed in the NPPES registry for Mark Tilley is (530) 668-2600.
- Does Mark Tilley accept Medicare?
- Mark Tilley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Tilley's NPI active?
- Yes — Mark Tilley's NPI (1720177884) is active in the NPPES registry as of the last update on 2022-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.