Marie Nielsen, MS, PA-C
NPI 1396016093 · Physician Assistant · Redlands, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Nielsen, MS, PA-C is a Physician Assistant provider in Redlands, CA (NPI 1396016093).
Provider details
- NPI number
- 1396016093
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS, PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA18155 (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 tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
48 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 14 | $115 |
Typical Medicare-allowed amounts for these services range $84–$115 (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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 63 | 37 |
| Losartan Potassium | 56 | 30 |
| Levothyroxine Sodium | 51 | 29 |
| Amlodipine Besylate | 49 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 46 | 38 |
| Omeprazole | 42 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-01-26
- Last updated
- 2026-01-04
- Certified
- 2026-01-04
Frequently asked questions
- What is Marie Nielsen's NPI number?
- Marie Nielsen's National Provider Identifier (NPI) is 1396016093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Nielsen's specialty?
- Marie Nielsen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marie Nielsen located?
- Marie Nielsen's practice location on file with NPPES is 1600 E Citrus Ave Ste a, Redlands, CA 92374-4802.
- What is Marie Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Marie Nielsen is (909) 389-1304.
- Does Marie Nielsen accept Medicare?
- Marie Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Nielsen's NPI active?
- Yes — Marie Nielsen's NPI (1396016093) is active in the NPPES registry as of the last update on 2026-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.