Mary Patz, MD
Internal Medicine Physician · Santa Cruz, CA
Mary Patz, MD is an internal medicine physician with a practice address in Santa Cruz, California, and NPI 1760462204, issued on Jan 19, 2006. Check the license (California G83228, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Patz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G83228 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Soquel Ave, Santa Cruz, CA 95062
- Phone
- (831) 458-5597
- Enumerated
- Jan 19, 2006
- Record last updated
- Dec 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080625000257); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2025 Soquel Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Walter Alexander, M.D.Surgery Physician1386946606
- Timothy W Allari, MDInternal Medicine Physician1013996370
Verify Mary Patz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,321 Medicare Part D claims for 617 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 167 claims were for opioids.
Most prescribed
- Atorvastatin Calcium424 claims
- Losartan Potassium394 claims
- Levothyroxine Sodium391 claims
- Amlodipine Besylate279 claims
- Omeprazole262 claims
- Gabapentin193 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
- Sutter Bay Medical FoundationFreedom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Patz among 17,696 internal medicine physician records in California
Mary Patz, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1991 · median 2004 among the 11,065 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Cruz → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Timothy W Allari, MDSanta Cruz, CA 950621013996370
- Laura Garvin, MDSanta Cruz, CA 950621235229196
- John JacksonSanta Cruz, CA 950621780664557
- Daniel Kim, M.D.Santa Cruz, CA 950621124008313
- Sarita LoboSanta Cruz, CA 950621528144334
- Beata Mach, MDSanta Cruz, CA 950621184604712
- Lindsy Martinez, M.D.Santa Cruz, CA 950621336672336
- Sandra Mendel, M.D.Santa Cruz, CA 950621538261011
Common questions
What is Mary Patz, MD's NPI number?
Mary Patz, MD's National Provider Identifier (NPI) is 1760462204, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Patz, MD located?
The NPPES record lists a practice address at 2025 Soquel Ave, Santa Cruz, CA, 95062. Phone: (831) 458-5597. Providers update this record themselves, so call before visiting.
How can I verify Mary Patz, MD's license?
NPPES lists California license number G83228, 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 Mary Patz, MD prescribe under Medicare Part D?
In 2024, Mary Patz, MD had 7,321 Medicare Part D claims for 617 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.