KAREN L. SCARPA MD
NPI 1851409759
Internal Medicine - Critical Care Medicine in Sacramento, CA

Active since August 29, 2006PECOS EnrolledAccepts Medicare Assignment
94.62/100
CMS Quality Rating
2801 'L' STREET, SACRAMENTO, CA 95816(916) 733-3003 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 9, 2025, Jul 1, 2016 (2 updates tracked since 2016).

About Karen L. Scarpa Md NPPES

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

KAREN L. SCARPA MD (NPI 1851409759) is an individual critical care medicine provider in Sacramento, California, licensed in California (G81078) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (1993).

NPPES Registry Identity

NPI1851409759
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameKAREN L. SCARPACredential: MD
Location Address2801 'L' STREETSacramento, CA 95816
Mailing Address2100 Powell St, Ste 900Emeryville, CA 94608-1844 · (888) 556-5617
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 1993
Enumeration DateAugust 29, 2006
Last NPPES UpdateJuly 9, 20252 updates tracked since enumeration
NPPES CertifiedJuly 9, 2025
✔ NPI 1851409759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in CA · G81078
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedEmergency MedicineTaxonomy 207P00000X · License G81078 (CA)
2801 'L' STREET, Sacramento, CA 95816

Other Names 1

Former Name (1)Karen L. Parks

Other Identifiers 1

Medicaid00G810780CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen L. Scarpa Md 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 ID9739143652
PECOS Enrollment IDI20041118001174
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Karen Scarpa reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
2825 CAPITOL AVENUE
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • 2,323 clinicians in this Medicare group
Emergency Medicine
2825 CAPITOL AVE
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • 73 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
244 services219 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
229 services227 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
57 services56 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
54 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95816 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

Other Providers at the Same Location NPPES 10

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

Emergency Medicine
2801 'L' STREET
SACRAMENTO, CA 95816
Physician Assistant (Medical)
2801 'L' STREET
SACRAMENTO, CA 95816
Emergency Medicine
2801 'L' STREET
SACRAMENTO, CA 95816
Emergency Medicine
2801 'L' STREET
SACRAMENTO, CA 95816
Emergency Medicine
2801 'L' STREET
SACRAMENTO, CA 95816
Physician Assistant (Medical)
2801 'L' STREET
SACRAMENTO, CA 95816
Emergency Medicine
2801 'L' STREET
SACRAMENTO, CA 95816
Emergency Medicine
2801 'L' STREET
SACRAMENTO, CA 95816

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 Scarpa's NPI number?

The NPI number for Karen Scarpa is 1851409759. It was assigned to this individual provider in the NPPES registry on August 29, 2006. The provider is also known as Karen L. Parks.

Where is Karen Scarpa located?

Karen Scarpa practices at 2801 'l' Street, Sacramento, CA 95816. The listed phone number is (916) 733-3003.

What is Karen Scarpa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Karen Scarpa enrolled in Medicare?

Yes. Karen Scarpa 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.

Which organizations bill Medicare for Karen Scarpa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Scarpa reassigns Medicare benefits to 2 organizations: Cep America - California (Sacramento, CA) and Vituity-California Observation Services PC (Sacramento, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Scarpa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Scarpa was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.