NPPES file of Aug 9, 2026

Maria Joana Angeles Thomas, MD

Nephrology Physician · Folsom, CA

Maria Joana Angeles Thomas, MD is a nephrology physician with a practice address in Folsom, California, and NPI 1205241122, issued on Jun 30, 2014. Check the license (California A149260, 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
1205241122
Name
Maria Joana Angeles Thomas
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
A149260 CA
MD191182 OR
Self-reported in NPPES; status is on the state search
Practice location
1600 Creekside Dr Ste 3600, Folsom, CA 95630
Phone
(916) 235-7790
Enumerated
Jun 30, 2014
Record last updated
Jun 13, 2025
Fax
(916) 235-7791
Medicare enrollment
Enrolled (PECOS I20230508002388); 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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Verify Maria Joana Angeles Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A149260
    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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22% fewer Medicare Part D claims than the average nephrology physician in 2024

1,138 Medicare Part D claims for 157 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Maria Joana Thomas1,138
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate105 claims
  2. Hydralazine Hcl94 claims
  3. Furosemide78 claims
  4. Prosol75 claims
  5. Losartan Potassium63 claims
  6. Xphozah63 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.

Bills Medicare through one group practice

  1. Capital Nephrology Medical GroupSacramento, CA

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

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

Other nephrology physician records in California

  1. Antoine Abcar, MDLos Angeles, CA1245301159
  2. Basmah Abdalla, M.D.Los Angeles, CA1629394002
  3. Omaran Abdeen, M.D.Mission Hills, CA1700878410
  4. Joseph Abdelmalek, M.DSan Diego, CA1740485531
  5. Lama Abdelnour, MDLos Angeles, CA1477817542
  6. Amir Abdi Pour, MDLoma Linda, CA1912187477
  7. Anas Abou-Ismail, MDPalm Springs, CA1598078784
  8. Graham Abra, M.D.Stanford, CA1760644678
  9. Sreedhar Adapa, M.D.Visalia, CA1881997872
  10. Gbemisola Adenuga, M.D.Los Angeles, CA1952464661

Common questions

What is Maria Joana Angeles Thomas, MD's NPI number?

Maria Joana Angeles Thomas, MD's National Provider Identifier (NPI) is 1205241122, issued on Jun 30, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Maria Joana Angeles Thomas, MD located?

The NPPES record lists a practice address at 1600 Creekside Dr Ste 3600, Folsom, CA, 95630. Phone: (916) 235-7790. Providers update this record themselves, so call before visiting.

How can I verify Maria Joana Angeles Thomas, MD's license?

NPPES lists California license number A149260, 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 Maria Joana Angeles Thomas, MD prescribe under Medicare Part D?

In 2024, Maria Joana Angeles Thomas, MD had 1,138 Medicare Part D claims for 157 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.