Katherine Ruddy, PA-C
NPI 1669180055 · Physician Assistant · Goodyear, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Ruddy, PA-C is a Physician Assistant provider in Goodyear, AZ (NPI 1669180055).
Provider details
- NPI number
- 1669180055
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
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
3 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
461 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 | 110 | $105 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 75 | $42 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 75 | $137 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 64 | $32 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $75 |
| X-Ray of Upper Spine, 4-5 Views72050 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methocarbamol | 61 | 50 |
| Oxycodone Hcl | 61 | 45 |
| Gabapentin | 31 | 23 |
| Diazepam | 11 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 11 | — |
| Methylprednisolone | 11 | 11 |
| Tizanidine Hcl | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$477 across 11 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
- 2022-11-14
- Last updated
- 2025-06-10
- Certified
- 2025-06-10
Frequently asked questions
- What is Katherine Ruddy's NPI number?
- Katherine Ruddy's National Provider Identifier (NPI) is 1669180055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Ruddy's specialty?
- Katherine Ruddy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Ruddy located?
- Katherine Ruddy's practice location on file with NPPES is 1325 N Litchfield Rd Ste 125, Goodyear, AZ 85395-1215.
- What is Katherine Ruddy's phone number?
- The practice phone number listed in the NPPES registry for Katherine Ruddy is (480) 420-0749.
- Does Katherine Ruddy accept Medicare?
- Katherine Ruddy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Ruddy's NPI active?
- Yes — Katherine Ruddy's NPI (1669180055) is active in the NPPES registry as of the last update on 2025-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.