Petra Cardona, PA-C
NPI 1851996573 · Surgical Physician Assistant · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Petra Cardona, PA-C is a Surgical Physician Assistant provider in Walnut Creek, CA (NPI 1851996573).
Provider details
- NPI number
- 1851996573
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA58526 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
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
5 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
1,019 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) |
|---|---|---|
| X-Ray of Knee, 3 Views73562 | 146 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 111 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $131 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 71 | $195 |
| Aspiration And/Or Injection of Fluid From Large Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 136 | 114 |
| Oxycodone Hcl | 68 | 51 |
| Tramadol Hcl | 67 | 55 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 57 | 54 |
| Celecoxib | 56 | 41 |
| Ondansetron Hcl | 47 | 46 |
| Cephalexin | 46 | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$444 across 6 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
- 2020-12-01
- Last updated
- 2024-10-07
- Certified
- 2024-10-07
Frequently asked questions
- What is Petra Cardona's NPI number?
- Petra Cardona's National Provider Identifier (NPI) is 1851996573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Petra Cardona's specialty?
- Petra Cardona is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Petra Cardona located?
- Petra Cardona's practice location on file with NPPES is 2405 Shadelands Dr Ste 300, Walnut Creek, CA 94598-5906.
- What is Petra Cardona's phone number?
- The practice phone number listed in the NPPES registry for Petra Cardona is (925) 939-8585.
- Does Petra Cardona accept Medicare?
- Petra Cardona is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Petra Cardona's NPI active?
- Yes — Petra Cardona's NPI (1851996573) is active in the NPPES registry as of the last update on 2024-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.