Provider Profile
Marissa J. Nelson is a nurse practitioner — gerontology practicing in Whittier, CA. According to Medicare claims data, Marissa cared for 140 Medicare patients across 191 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and insertion of needle into vein for collection of blood sample.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
8704 LA ENTRADA AVE
Whittier, CA 90605
Within Nurse Practitioner - Gerontology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Back & Spine
Bladder & Urinary
Brain & Memory
Brain & Nerves
Breathing & Lungs
Digestive & Gut
Digestive Health
Endocrine & Hormones
Endocrine & Metabolic
General Health
General Senior Health
Heart & Circulation
Infections
Joints & Bones
Kidney & Urinary
Lung & Respiratory
Mental Health
Mobility & Balance
Nerves & Sensation
Pain
Sensory
Skin
Skin & Wounds
Sleep
Bladder & Urinary
Brain & Memory
Care Planning
Diagnostic Tests
General Health
General Senior Health
Heart & Circulation
Home & Facility Care
In-Office Treatments
Lab & Monitoring
Lab Tests & Screening
Medication Management
Mental Health
Minor Procedures
Mobility & Safety
Pain Management
Preventive Care
Referrals & Care Coordination
Referrals & Coordination
Specialized Care
Vaccines & Injections
Vaccines & Prevention
Wound Care
191 services · 140 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
49 | As often as other peers in Nurse Practitioner — Gerontology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
84 | More often than most peers in Nurse Practitioner — Gerontology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 | As often as other peers in Nurse Practitioner — Gerontology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Marissa J. Nelson is a nurse practitioner in Whittier, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Gerontology”.
NPI registry
Marissa J. Nelson is listed at 8704 la Entrada Ave, Whittier, CA 90605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (562) 322-6574. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Marissa J. Nelson's National Provider Identifier is 1366072340. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Marissa J. Nelson attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Marissa J. Nelson has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Marissa J. Nelson performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Marissa J. Nelson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.