Patrick H. Guadiz, MD
Family Medicine Physician · Southborough, MA
Patrick H. Guadiz, MD is a family medicine physician with a practice address in Southborough, Massachusetts, and NPI 1023091766, issued on Nov 28, 2005. Check the license (Massachusetts 222979, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Patrick H. Guadiz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 222979 MA
ME92599 FL
Self-reported in NPPES; status is on the state search - Practice location
- 154 Turnpike RD Ste 130, Southborough, MA 01772
- Phone
- (508) 881-5590
- Enumerated
- Nov 28, 2005
- Record last updated
- Jan 24, 2024
- Fax
- (508) 881-9031
- Medicare enrollment
- Enrolled (PECOS I20130320000415); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 154 Turnpike RD Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Danilecki, APRN, FNP-BCFamily Nurse Practitioner1780491696
- Hanna Roy, DNPFamily Nurse Practitioner1629475298
Verify Patrick H. Guadiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 222979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average family medicine physician in 2024
1,857 Medicare Part D claims for 363 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 54 claims were for opioids.
Most prescribed
- Atorvastatin Calcium125 claims
- Levothyroxine Sodium111 claims
- Amlodipine Besylate86 claims
- Omeprazole70 claims
- Lisinopril50 claims
- Hydrochlorothiazide49 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
- Charles River Medical Associates, PCSouthborough, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick H. Guadiz among 2,265 family medicine physician records in Massachusetts
Patrick H. Guadiz, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2001 · median 2006 among the 1,529 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Southborough
They are 4 of the 481 NPPES records with a practice address in Southborough, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Southborough → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Leslie Caraceni, M.D.Southborough, MA 017721295829521
- Tammy Harris, M.D.Southborough, MA 017721851319677
- Usha Rallapalli, M.D.Southborough, MA 017721629203591
- Samantha Mekrut, MDSherborn, MA 017701386850428
- Tania Bandak, MDWayland, MA 017781134102064
- Hila Hoch, MDWayland, MA 017781588907265
- Kimberley Arouyan, FNP-CNatick, MA 017601316731474
- Kathryn Donesa-Zuzak, M.D.Natick, MA 017601629024617
Common questions
What is Patrick H. Guadiz, MD's NPI number?
Patrick H. Guadiz, MD's National Provider Identifier (NPI) is 1023091766, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Patrick H. Guadiz, MD located?
The NPPES record lists a practice address at 154 Turnpike RD Ste 130, Southborough, MA, 01772. Phone: (508) 881-5590. Providers update this record themselves, so call before visiting.
How can I verify Patrick H. Guadiz, MD's license?
NPPES lists Massachusetts license number 222979, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick H. Guadiz, MD prescribe under Medicare Part D?
In 2024, Patrick H. Guadiz, MD had 1,857 Medicare Part D claims for 363 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.