Natalie Marks, PA-C
NPI 1023137163 · Surgical Physician Assistant · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Marks, PA-C is a Surgical Physician Assistant provider in Santa Rosa, CA (NPI 1023137163).
Provider details
- NPI number
- 1023137163
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA16126 (CA)
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
889 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 | 273 | $41 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 108 | $84 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 98 | $166 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $118 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 81 | $180 |
| X-Ray of Hip, 1 View73501 | 68 |
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 |
|---|---|---|
| Oxycodone Hcl | 111 | 75 |
| Pantoprazole Sodium | 46 | 45 |
| Cephalexin | 42 | 29 |
| Celecoxib | 36 | 35 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 27 | 20 |
| Meloxicam | 22 | 15 |
| Tamsulosin Hcl | 16 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 1 record (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
- 2007-03-28
- Last updated
- 2015-07-21
Frequently asked questions
- What is Natalie Marks's NPI number?
- Natalie Marks's National Provider Identifier (NPI) is 1023137163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Marks's specialty?
- Natalie Marks is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Natalie Marks located?
- Natalie Marks's practice location on file with NPPES is 208 Concourse Blvd, Santa Rosa, CA 95403.
- What is Natalie Marks's phone number?
- The practice phone number listed in the NPPES registry for Natalie Marks is (707) 544-3400.
- Does Natalie Marks accept Medicare?
- Natalie Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Marks's NPI active?
- Yes — Natalie Marks's NPI (1023137163) is active in the NPPES registry as of the last update on 2015-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.