KAREN HSU PATTERSON MSN, RN, FNP-C
NPI 1851704977
Nurse Practitioner in Santa Monica, CA

Q: What is Karen Patterson's NPI number?

The NPI number for Karen Patterson is 1851704977. It was assigned to this individual provider in the NPPES registry on June 5, 2014.

Q: What is Karen Patterson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Patterson was last updated on February 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 05, 2014PECOS EnrolledAccepts Medicare Assignment

2021 SANTA MONICA BLVD STE 245E, SANTA MONICA, CA 90404(310) 829-8975(424) 291-4108 Get Directions Write a Review

NPPES record last updated: February 13, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 19, 2021, Aug 27, 2020, Jan 9, 2019 and 4 more (7 updates tracked since 2016).

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About Karen Hsu Patterson Msn, Rn, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN HSU PATTERSON MSN, RN, FNP-C (NPI 1851704977) is an individual nurse practitioner in Santa Monica, California, licensed in California (22912) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Monica, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1851704977

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKAREN HSU PATTERSONCredential: MSN, RN, FNP-C

Location Address2021 SANTA MONICA BLVD STE 245ESanta Monica, CA 90404-2132

Mailing Address1821 Wilshire Blvd Ste 100Santa Monica, CA 90403-5627 · (310) 829-8298

Phone(310) 829-8975

Fax(424) 291-4108

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateJune 5, 2014

Last NPPES UpdateFebruary 13, 20247 updates tracked since enumeration

NPPES CertifiedFebruary 13, 2024

✔ NPI 1851704977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · 22912

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 22912 (CA)

2021 SANTA MONICA BLVD STE 245E, Santa Monica, CA 90404

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Secondary Practice Location 1

Location 11821 Wilshire Blvd Ste 100Santa Monica, CA 90403-5627 · Phone (310) 575-3100 · Fax (310) 575-3102

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Hsu Patterson Msn, Rn, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567773823

PECOS Enrollment IDI20150612002224

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

196 services70 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

140 services65 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

61 services39 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

54 services52 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

50 services50 patients

Advance care planning, each additional 30 minutes 99498

Advance care planning involves discussing and documenting your future health care preferences in case you're unable to make decisions for yourself. Each additional 30 minutes allows more time to explore your wishes, values, and goals for treatment.

22 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEXANDER BRYCE WILLIAMS NICULESCU MD

Hospitalist

2021 SANTA MONICA BLVD STE 245E
SANTA MONICA, CA 90404

Los Angeles County (310) 829-8975

JEFF D SUNG MD

Emergency Medicine

2021 SANTA MONICA BLVD STE 245E
SANTA MONICA, CA 90404

Los Angeles County (310) 829-8975

DR. MICHAEL IAN FUCHS M.D.

Internal Medicine

2021 SANTA MONICA BLVD STE 245E
SANTA MONICA, CA 90404

Los Angeles County (310) 829-0199

DR. BRIAN D MADDEN M.D.

Family Medicine (Hospice and Palliative Medicine)

2021 SANTA MONICA BLVD STE 245E
SANTA MONICA, CA 90404

Los Angeles County (310) 829-8975

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Patterson's NPI number?

The NPI number for Karen Patterson is 1851704977. It was assigned to this individual provider in the NPPES registry on June 5, 2014.

Where is Karen Patterson located?

Karen Patterson practices at 2021 Santa Monica Blvd Ste 245E, Santa Monica, CA 90404. The listed phone number is (310) 829-8975.

What is Karen Patterson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Karen Patterson enrolled in Medicare?

Yes. Karen Patterson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Karen Patterson was last updated on February 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.