NPPES file of Aug 9, 2026

Piotr Szczepan Sowa, M.D.

Gastroenterology Physician · Orange, CA

Piotr Szczepan Sowa, M.D. is a gastroenterology physician with a practice address in Orange, California, and NPI 1144663592, issued on Apr 15, 2013. Check the license (California 147966, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144663592
Name
Piotr Sowa
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
147966 CA
25MA11104900 NJ
MD456062 PA
Self-reported in NPPES; status is on the state search
Practice location
333 City Blvd W Ste 400, Orange, CA 92868
Phone
(714) 456-6745
Enumerated
Apr 15, 2013
Record last updated
Feb 27, 2026
Medicaid ID
103116441 0002 PA
Medicare enrollment
Enrolled (PECOS I20210813000424); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2013
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 333 City Blvd W Ste 400

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

  1. Talal Al-AssilInternal Medicine Physician1528819141
  2. Tun Tun Aung, DORheumatology Physician1922676824
  3. Elsa Camarillo, D.O.Pulmonary Disease Physician1194187781
  4. Mollee Chu, MDStudent in an Organized Health Care Education/Training Program1801546932
  5. Shannon FameniniStudent in an Organized Health Care Education/Training Program1578959573
  6. Kyle Fortinsky, MDGastroenterology Physician1710403498

Verify Piotr Sowa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 147966
    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

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43% more Medicare Part D claims than the average gastroenterology physician in 2024

1,156 Medicare Part D claims for 409 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Piotr Sowa1,156
  2. Specialty average811

Most prescribed

  1. Omeprazole262 claims
  2. Pantoprazole Sodium251 claims
  3. Linzess97 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf95 claims
  5. Famotidine42 claims
  6. Creon29 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.

Industry payments in 2024: $93.87

5 payments; by number, the most common kind was food and beverage; the largest payer was Micro-tech Endoscopy USA, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Piotr Sowa$93.87
  2. Specialty average$5,015.95

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. Summit Medical Group PABerkeley Heights, NJ

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

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

Other gastroenterology physician records in California

  1. David Aarons, MDLodi, CA1619081379
  2. Constante Abaya, MDOxnard, CA1003918459
  3. Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
  4. Basim Abdelkarim, MDUpland, CA1932217544
  5. Homan Abdollahzadeh, MDPalm Springs, CA1184634826
  6. John Abdulian, M.D.Fresno, CA1437114113
  7. Hussein Abidali, DORancho Cucamonga, CA1205274768
  8. Alaa Abousaif, MDOrange, CA1235124108
  9. Donald Abrahm, M.D.Newport Beach, CA1215022405
  10. Maria Abreu, M.D.West Hollywood, CA1598793374

Common questions

What is Piotr Szczepan Sowa, M.D.'s NPI number?

Piotr Szczepan Sowa, M.D.'s National Provider Identifier (NPI) is 1144663592, issued on Apr 15, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Piotr Szczepan Sowa, M.D. located?

The NPPES record lists a practice address at 333 City Blvd W Ste 400, Orange, CA, 92868. Phone: (714) 456-6745. Providers update this record themselves, so call before visiting.

How can I verify Piotr Szczepan Sowa, M.D.'s license?

NPPES lists California license number 147966, 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 Piotr Szczepan Sowa, M.D. prescribe under Medicare Part D?

In 2024, Piotr Szczepan Sowa, M.D. had 1,156 Medicare Part D claims for 409 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.