NPPES file of Aug 9, 2026

Maria Thies, D.O.

Geriatric Medicine (Internal Medicine) Physician · Bermuda Dunes, CA

Maria Thies, D.O. is a geriatric medicine (internal medicine) physician with a practice address in Bermuda Dunes, California, and NPI 1295186765, issued on Jun 27, 2016. Check the license (California 20A17345, 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
1295186765
Name
Maria Thies
Credential
D.O.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
20A17345 CA
5101025109 MI
5701022763 MI
Self-reported in NPPES; status is on the state search
Practice location
41120 Washington St Ste 201, Bermuda Dunes, CA 92203
Phone
(760) 360-3193
Enumerated
Jun 27, 2016
Record last updated
Jun 10, 2024
Fax
(760) 360-3194
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 41120 Washington St Ste 201

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

  1. Jeffrey Lawhead, MDFamily Medicine Physician1679576706
  2. Dung NguyenPrimary Podiatric Medicine Podiatrist1013640812
  3. Scott Russell, DOInternal Medicine Physician1073581237

Verify Maria Thies in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A17345    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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46% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

2,310 Medicare Part D claims for 253 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. Maria Thies2,310
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium128 claims
  2. Levothyroxine Sodium117 claims
  3. Amlodipine Besylate95 claims
  4. Gabapentin87 claims
  5. Losartan Potassium80 claims
  6. Metoprolol Succinate65 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: $415.13

7 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Thies$415.13
  2. Specialty average$1,720.82

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

Maria Thies among 532 geriatric medicine (internal medicine) physician records in California

Maria Thies, D.O. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 geriatric medicine (internal medicine) physician record lists a practice address in Bermuda Dunes

They are 1 of the 73 NPPES records with a practice address in Bermuda Dunes, and 532 geriatric medicine (internal medicine) physician records in California.

All 532 in California → Every provider in Bermuda Dunes → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Emma Javier, MDPalm Desert, CA 922111093746299
  2. Chitra Fernando, M.D.San Ysidro, CA 921731659598688
  3. Jennifer Freimund, M.D.San Diego, CA 921611003113762
  4. Arnold GassSan Diego, CA 921611285747352
  5. Colin Thomas, MD, MPHSan Diego, CA 921611700849502
  6. Sara Azar, M.D.Rancho Mirage, CA 922701467626986
  7. Shehryar Mahmood, MDRancho Mirage, CA 922701659302438
  8. Rupinder Mann, M D INCRancho Mirage, CA 922701982799813

Common questions

What is Maria Thies, D.O.'s NPI number?

Maria Thies, D.O.'s National Provider Identifier (NPI) is 1295186765, issued on Jun 27, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Maria Thies, D.O. located?

The NPPES record lists a practice address at 41120 Washington St Ste 201, Bermuda Dunes, CA, 92203. Phone: (760) 360-3193. Providers update this record themselves, so call before visiting.

How can I verify Maria Thies, D.O.'s license?

NPPES lists California license number 20A17345, 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 Thies, D.O. prescribe under Medicare Part D?

In 2024, Maria Thies, D.O. had 2,310 Medicare Part D claims for 253 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.