Dr. Maria Thies, DO
- Medicare services, 2021
- 283
- Part D claims, 2024
- 2,310
- Industry payments
- $1,792
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 275 N El Cielo Rd, Palm Springs, CA 92262
- Practice phone
- Call (760) 328-4499
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Desert Oasis Healthcare - Palm Springs
Urgent Care Center · Palm Springs, California
Find Dr. Thies' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Maria Thies is a geriatric medicine (internal medicine) physician in Palm Springs, California
Dr. Thies practices at Desert Oasis Healthcare - Palm Springs in Palm Springs, California.
Dr. Thies' NPI, 1295186765, was assigned on June 27, 2016. Dr. Thies graduated from Michigan State University College of Osteopathic Medicine in 2016. Dr. Thies holds Michigan license 5101025109.
- NPI
- 1295186765NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2016
- NPI status
- Active
- Practice phone
- (760) 328-4499
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Maria Thies practices at Desert Oasis Healthcare - Palm Springs in Palm Springs, California
Dr. Thies' primary practice is Desert Oasis Healthcare - Palm Springs, at 275 N El Cielo Rd, Palm Springs, CA 92262. The practice phone is (760) 328-4499.
- Desert Oasis Healthcare - Palm Springs275 N El Cielo Rd, Palm Springs, CA 92262Phone(760) 328-4499
Source: Dmand AI Affiliation Data
Dr. Maria Thies is affiliated with 2 sites of care and 1 medical group
Dr. Thies' primary practice is Desert Oasis Healthcare - Palm Springs in Palm Springs, California. The medical group on file is Desert Oasis Healthcare. Dmand AI also links Dr. Thies to 1 more group practice or clinic, named with a free account. Dr. Thies' employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria Thies' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thies practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Desert Oasis Healthcare - Palm Springs | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria Thies is one of 497 geriatric medicine (internal medicine) physicians in California
Geriatric medicine is Dr. Thies' primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dmand AI has Dr. Thies' licenses on file in 2 states: Michigan and California.
Specialties and state licenses
- Geriatric medicine (internal medicine), MichiganPrimary
- California license
Geriatric medicine (internal medicine) physicians near Dr. Thies
Counts of geriatric medicine (internal medicine) physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maria Thies billed Medicare for 283 services in 2021
CMS data shows 283 Medicare services from Dr. Thies across 6 procedure codes in 2021. Medicare paid $26,429 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thies' Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 132021: 2832077%
Dr. Thies compared with the California median for geriatric medicine (internal medicine) physicians, 2021
- Dr. Thies
- California median
- Medicare services
- 283vs 42433% below
- Part D claims
- 1,736vs 93087% above
Medians across 466 geriatric medicine (internal medicine) physicians in California with Dmand AI profiles that report each measure.
Dr. Thies' most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thies and other geriatric medicine (internal medicine) physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria Thies' patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Thies' median patient age at 71, with 62% women.
Dr. Thies' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women62%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Maria Thies wrote 2,310 Medicare Part D claims in 2024
In 2024, Dr. Thies wrote 2,310 Medicare Part D claims for 253 patients. 89% of them were for generic drugs. CMS names the drug for 1,736 of them, across 53 drugs with 11 or more claims each, at $117,381 in total drug cost. In 2023, CMS named 306 claims across 16 drugs.
Dr. Thies' Part D claims by kind of drug, 2024
- Generic2,052 claims89%
- Brand-name and other258 claims11%
Dr. Thies' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Thies' Part D claims, 2024
- Opioids1%32 of 2,310 claims
- Antibiotics5%107 of 2,310 claims
- Antipsychotics, patients 65 and over1%14 of 2,310 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3062024: 1,736467%
Drugs named by CMS: 53 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Maria Thies received $1,792 in industry payments from 2016 to 2025
CMS Open Payments shows 32 general payments to Dr. Thies from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $513.
General payments to Dr. Thies by program year, 2016 to 2025
Companies that paid Dr. Thies the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Thies graduated from Michigan State University College of Osteopathic Medicine
Dr. Thies graduated from Michigan State University College of Osteopathic Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria Thies's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maria Thies
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maria Thies' NPI number?
Dr. Maria Thies' NPI number is 1295186765. It was assigned on June 27, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Thies?
Dr. Maria Thies is a geriatric medicine (internal medicine) physician in Palm Springs, California. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).
Where does Dr. Maria Thies practice?
Dr. Thies practices at 275 N El Cielo Rd, Palm Springs, CA 92262. Dr. Thies' primary practice is Desert Oasis Healthcare - Palm Springs in Palm Springs, California. Dmand AI also links Dr. Thies to 1 group practice or clinic.
What is Dr. Maria Thies' office phone number?
The practice phone on file for Dr. Thies is (760) 328-4499.
What is Dr. Maria Thies' medical license number?
Dr. Thies holds Michigan license 5101025109, one of the licenses on file in 2 states.
Which states has Dr. Maria Thies been licensed in?
Dmand AI has state licenses on file for Dr. Thies in Michigan and California.
What medical group is Dr. Maria Thies part of?
Dr. Thies is linked to Desert Oasis Healthcare.
Does Dr. Maria Thies accept Medicare?
Yes. CMS data shows Dr. Thies billed Medicare for 283 services in 2021.
What services does Dr. Maria Thies bill to Medicare?
In 2021, Dr. Thies' most billed Medicare services were nursing facility care (99308), nursing facility care (99309) and nursing facility care (99310).
Where did Dr. Maria Thies go to medical school?
Dr. Thies graduated from Michigan State University College of Osteopathic Medicine in 2016.
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What drugs does Dr. Maria Thies prescribe most?
In 2024 Medicare Part D data, Dr. Thies' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Maria Thies received payments from drug or device companies?
CMS Open Payments shows $1,792 in general payments to Dr. Thies from 15 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Maria Thies been practicing?
Dr. Thies graduated from medical school in 2016, 10 years ago.
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