NPPES file of Aug 9, 2026

Mark H. Schwab, MD

General Practice Physician · Chico, CA

Mark H. Schwab, MD is a general practice physician with a practice address in Chico, California, and NPI 1134137722, issued on Aug 3, 2006. Check the license (California A104792, as entered in NPPES) on the Medical Board of California; 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
1134137722
Name
Mark H. Schwab
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License numbers
A104792 CA
00027258 AL
Self-reported in NPPES; status is on the state search
Practice location
1040 Mangrove Ave, Chico, CA 95926
Phone
(530) 345-0064
Enumerated
Aug 3, 2006
Record last updated
Aug 22, 2022
Medicaid IDs
1134137722 CA
051538382 AL
Medicare enrollment
Enrolled (PECOS I20081028000266); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 2004
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 1040 Mangrove Ave

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

  1. Robert Avilla, D.O.Family Medicine Physician1346687225
  2. Miranda Bedene, FNP-CFamily Nurse Practitioner1730033762
  3. Dewayne Caviness, MDGeneral Practice Physician1912938887
  4. Gregory Davis, M.D.Gynecology Physician1497752877
  5. Matthew Haselton, FNP-CPrimary Care Nurse Practitioner1558096453
  6. Kurt Johnson, M.D., INC.General Practice Physician1407881741

Verify Mark H. Schwab in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A104792
    Check 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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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26% fewer Medicare Part D claims than the average general practice physician in 2024

2,247 Medicare Part D claims for 363 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 57 claims were for opioids.

  1. Mark Schwab2,247
  2. Specialty average3,030

Most prescribed

  1. Atorvastatin Calcium107 claims
  2. Levothyroxine Sodium107 claims
  3. Metformin Hcl103 claims
  4. Amlodipine Besylate97 claims
  5. Lisinopril84 claims
  6. Rosuvastatin Calcium77 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): 79.4 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.

  1. Qualityout of 100 · 30% of the final score78.2
  2. Costout of 100 · 30%54.7
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $516.85

25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Schwab$516.85
  2. Specialty average$1,273.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Seneca Healthcare DistrictChester, CA

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

Mark H. Schwab among 1,956 general practice physician records in California

Mark H. Schwab, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 66% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2004 · median 1994 among the 520 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

The 8 general practice physician records with the nearest ZIP codes

  1. Dewayne Caviness, MDChico, CA 959261912938887
  2. Randall Caviness, M.D.Chico, CA 959261235140278
  3. Kurt Johnson, M.D., INC.Chico, CA 959261407881741
  4. Ronald Johnson, M.D.Chico, CA 959261578603122
  5. Sergio Riffel, M.D.Chico, CA 959261619018066
  6. Amitabh Singh, D.OChico, CA 959261053843540
  7. Bradley Smith, M.D.Chico, CA 959261932248036
  8. Kevin Sorensen, DOChico, CA 959261144680141

Common questions

What is Mark H. Schwab, MD's NPI number?

Mark H. Schwab, MD's National Provider Identifier (NPI) is 1134137722, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark H. Schwab, MD located?

The NPPES record lists a practice address at 1040 Mangrove Ave, Chico, CA, 95926. Phone: (530) 345-0064. Providers update this record themselves, so call before visiting.

How can I verify Mark H. Schwab, MD's license?

NPPES lists California license number A104792, 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 Mark H. Schwab, MD prescribe under Medicare Part D?

In 2024, Mark H. Schwab, MD had 2,247 Medicare Part D claims for 363 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.

What is Mark H. Schwab, MD's MIPS final score?

The 2023 MIPS final score is 79.4 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.