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.

IndividualActiveAccepts Medicare

Marie Nielsen, MS, PA-C

NPI 1396016093 · Physician Assistant · Redlands, CA

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)

Practice location

1600 E Citrus Ave Ste a

Redlands, CA 92374-4802

Phone: (909) 389-1304

Street-level locationGet directions

More CA providers

Mailing address

Po Box 35380

Las Vegas, NV 89133-5380

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense PA18155 (CA)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(60/100 index)

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

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.

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