Karen L. Scarpa, MD
Critical Care Medicine (Internal Medicine) Physician · Sacramento, CA
Karen L. Scarpa, MD is a critical care medicine (internal medicine) physician with a practice address in Sacramento, California, and NPI 1851409759, issued on Aug 29, 2006. Check the license (California G81078, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen L. Scarpa
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- G81078 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2801 'L' Street, Sacramento, CA 95816
- Phone
- (916) 733-3003
- Enumerated
- Aug 29, 2006
- Record last updated
- Jul 9, 2025
- Medicaid ID
- 00G810780 CA
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 2801 'L' Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alvaro Aguirre, PAMedical Physician Assistant1700994597
- Bruce Gordon, MDEmergency Medicine Physician1760590699
- Gary Hallam, MDEmergency Medicine Physician1508974536
- Robert Kane, MDEmergency Medicine Physician1629186648
- Theodore Muller, MDEmergency Medicine Physician1740398502
- John Nations, MDEmergency Medicine Physician1942318852
Verify Karen L. Scarpa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G81078Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
123 Medicare Part D claims for 83 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 16 claims were for opioids.
Most prescribed
- Prednisone13 claims
- Albuterol Sulfate Hfa12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Karen L. Scarpa among 723 critical care medicine (internal medicine) physician records in California
Karen L. Scarpa, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 60% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Sacramento → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Muhammad Afzal, M.D.Sacramento, CA 958161689600553
- Imran Aurangzeb, M.D.Sacramento, CA 958161831127570
- Richard Defelice, M.D.Sacramento, CA 958161063458495
- Kapil Dhawan, M.D.Sacramento, CA 958161558385997
- Darshan DhinganiSacramento, CA 958161053547968
- Nathaniel Gordon, MDSacramento, CA 958161063731966
- Saman Hayatdavoudi, M.D.Sacramento, CA 958161093912958
- Daniel Ikeda, M.D.Sacramento, CA 958161730124520
Common questions
What is Karen L. Scarpa, MD's NPI number?
Karen L. Scarpa, MD's National Provider Identifier (NPI) is 1851409759, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen L. Scarpa, MD located?
The NPPES record lists a practice address at 2801 'L' Street, Sacramento, CA, 95816. Phone: (916) 733-3003. Providers update this record themselves, so call before visiting.
How can I verify Karen L. Scarpa, MD's license?
NPPES lists California license number G81078, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen L. Scarpa, MD prescribe under Medicare Part D?
In 2024, Karen L. Scarpa, MD had 123 Medicare Part D claims for 83 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Karen L. Scarpa, MD's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.