NPPES file of Aug 9, 2026

Jacob John Maruscak, PA-C

Physician Assistant · Monterey, CA

Jacob John Maruscak, PA-C is a physician assistant with a practice address in Monterey, California, and NPI 1699492629, issued on Oct 20, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699492629
Name
Jacob John Maruscak
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
MA063946 PA
Self-reported in NPPES; status is on the state search
Practice location
2 Upper Ragsdale Dr, Monterey, CA 93940
Phone
(831) 333-3040
Enumerated
Oct 20, 2022
Record last updated
Mar 7, 2025
Medicare enrollment
Enrolled (PECOS I20250217002562); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 Upper Ragsdale Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jon Benner, MDSurgery Physician1649241886
  2. Ashlee Blaine, DOPsychiatry Physician1225562028
  3. Ashley Bonina, NPPediatric Nurse Practitioner1558626952
  4. Pamela Breslin, RNPediatric Nurse Practitioner1992860639
  5. Janet Brown, M.D.Gynecology Physician1467532952
  6. Gerald Carnazzo, M.D.Family Medicine Physician1841208246

Verify Jacob John Maruscak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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2.2 times the Medicare Part D claims of the average physician assistant in 2024

1,791 Medicare Part D claims for 675 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Jacob Maruscak1,791
  2. Specialty average830

Most prescribed

  1. Tamsulosin Hcl566 claims
  2. Finasteride202 claims
  3. Myrbetriq179 claims
  4. Trospium Chloride142 claims
  5. Alfuzosin Hcl Er71 claims
  6. Gemtesa56 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 MIPS final score for 2023 (Medicare payment program): 95.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Montage Medical GroupMonterey, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jacob John Maruscak among 14,451 physician assistant records in California

Jacob John Maruscak, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2022 · median 2018 among the 7,214 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 physician assistant records list a practice address in Monterey

They are 45 of the 1,945 NPPES records with a practice address in Monterey, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Christina Adibe, P.A.Monterey, CA 939401992137970
  2. Lalia Barnes, PA-CMonterey, CA 939401578904439
  3. Hope Beverly, PA-CMonterey, CA 939401710281704
  4. Kristin Blakely, PA-CMonterey, CA 939401154752558
  5. Kelly Brenner, PA-CMonterey, CA 939401790019040
  6. William Coggin, PA-CMonterey, CA 939401265473128
  7. Connor Cole, PA-CMonterey, CA 939401841687274
  8. Brandi Curioz, PA-C, ATCMonterey, CA 939401003208067

Common questions

What is Jacob John Maruscak, PA-C's NPI number?

Jacob John Maruscak, PA-C's National Provider Identifier (NPI) is 1699492629, issued on Oct 20, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Jacob John Maruscak, PA-C located?

The NPPES record lists a practice address at 2 Upper Ragsdale Dr, Monterey, CA, 93940. Phone: (831) 333-3040. Providers update this record themselves, so call before visiting.

How can I verify Jacob John Maruscak, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jacob John Maruscak, PA-C prescribe under Medicare Part D?

In 2024, Jacob John Maruscak, PA-C had 1,791 Medicare Part D claims for 675 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Jacob John Maruscak, PA-C's MIPS final score?

The 2023 MIPS final score is 95.6 of 100. 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.