Dr. Peter Diaz-Alonso, MD
- Medicare services, 2022
- 1,240
- Part D claims, 2024
- 26
- Industry payments
- $1,378
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 200 SE Hospital Ave, Stuart, FL 34994
- Practice phone
- Call (772) 287-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cleveland Clinic Martin North Hospital
Stuart, Florida
Find Dr. Diaz-Alonso's 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. Peter Diaz-Alonso is an internist in Stuart, Florida
Dr. Diaz-Alonso practices at Cleveland Clinic Martin North Hospital in Stuart, Florida.
Dr. Diaz-Alonso's NPI, 1821181900, was assigned on October 2, 2006. Dr. Diaz-Alonso graduated from Pennsylvania State University College of Medicine in 1988. Dr. Diaz-Alonso holds Georgia license 32500.
- NPI
- 1821181900NPI Registry (opens in a new tab)
- NPI enumeration date
- October 2, 2006
- NPI status
- Active
- Practice phone
- (772) 287-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Peter Diaz-Alonso practices at Cleveland Clinic Martin North Hospital in Stuart, Florida
Dr. Diaz-Alonso's primary practice is Cleveland Clinic Martin North Hospital, at 200 SE Hospital Ave, Stuart, FL 34994 in Martin County. The practice phone is (772) 287-5200.
- Cleveland Clinic Martin North Hospital200 SE Hospital Ave, Stuart, FL 34994 · Martin CountyPhone(772) 287-5200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter Diaz-Alonso is affiliated with 1 site of care
Dr. Diaz-Alonso's primary practice is Cleveland Clinic Martin North Hospital in Stuart, Florida.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Peter Diaz-Alonso's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz-Alonso practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cleveland Clinic Martin North Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Diaz-Alonso is one of 9,009 internists in Florida
Internal medicine is Dr. Diaz-Alonso's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Diaz-Alonso is licensed in Georgia.
Specialties and state licenses
- Internal medicine, GeorgiaPrimary
Internists near Dr. Diaz-Alonso
Counts of internists 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. Peter Diaz-Alonso billed Medicare for 1,240 services in 2022
CMS data shows 1,240 Medicare services from Dr. Diaz-Alonso across 10 procedure codes in 2022. Medicare paid $44,484 for them. Every service was in an office.
Dr. Diaz-Alonso's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1,3252022: 74444%
- Lab and pathology
- 2021: 3772022: 21643%
- Other services
- 2021: 2902022: 11162%
- Tests and treatments
- 2021: 2342022: 9559%
- Surgery
- 2021: 1502022: 7451%
Dr. Diaz-Alonso compared with the Florida median for internists, 2022
- Dr. Diaz-Alonso
- Florida median
- Medicare services
- 1,240vs 5552.2 times
- Part D claims
- 210vs 46655% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Diaz-Alonso's most billed Medicare procedure codes, 2022
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. Diaz-Alonso and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Diaz-Alonso's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Diaz-Alonso's median patient age at 61, with 47% women.
Dr. Diaz-Alonso's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women47%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Peter Diaz-Alonso wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Diaz-Alonso wrote 26 Medicare Part D claims for 13 patients. 81% of them were for generic drugs. They cover 8 drugs, with $3,533 in total drug cost. In 2022, CMS named 3,117 claims across 82 drugs.
Dr. Diaz-Alonso's Part D claims by kind of drug, 2024
- Generic21 claims81%
- Brand-name and other5 claims19%
Dr. Diaz-Alonso's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3,1172023: 21093%
Drugs named by CMS: 8 in 2023, 82 in 2022.
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. Peter Diaz-Alonso received $1,378 in industry payments from 2016 to 2025
CMS Open Payments shows 69 general payments to Dr. Diaz-Alonso from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $290.
General payments to Dr. Diaz-Alonso by program year, 2016 to 2025
Companies that paid Dr. Diaz-Alonso 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. Peter Diaz-Alonso graduated from Pennsylvania State University College of Medicine
Dr. Diaz-Alonso graduated from Pennsylvania State University College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Diaz-Alonso'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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. Peter Diaz-Alonso
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What is Dr. Peter Diaz-Alonso's NPI number?
Dr. Peter Diaz-Alonso's NPI number is 1821181900. It was assigned on October 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Diaz-Alonso?
Dr. Peter Diaz-Alonso is an internist in Stuart, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Peter Diaz-Alonso practice?
Dr. Diaz-Alonso practices at 200 SE Hospital Ave, Stuart, FL 34994. Dr. Diaz-Alonso's primary practice is Cleveland Clinic Martin North Hospital in Stuart, Florida.
What is Dr. Peter Diaz-Alonso's office phone number?
The practice phone on file for Dr. Diaz-Alonso is (772) 287-5200.
What is Dr. Peter Diaz-Alonso's medical license number?
Dr. Diaz-Alonso holds Georgia license 32500.
Does Dr. Peter Diaz-Alonso accept Medicare?
Yes. CMS data shows Dr. Diaz-Alonso billed Medicare for 1,240 services in 2022.
What services does Dr. Peter Diaz-Alonso bill to Medicare?
In 2022, Dr. Diaz-Alonso's most billed Medicare services were care management and other visits (99458), care management and other visits (99457) and care management and other visits (99454).
Where did Dr. Peter Diaz-Alonso go to medical school?
Dr. Diaz-Alonso graduated from Pennsylvania State University College of Medicine in 1988.
What drugs does Dr. Peter Diaz-Alonso prescribe most?
In 2023 Medicare Part D data, Dr. Diaz-Alonso's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Levothyroxine Sodium.
Has Dr. Peter Diaz-Alonso received payments from drug or device companies?
CMS Open Payments shows $1,378 in general payments to Dr. Diaz-Alonso from 21 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Peter Diaz-Alonso been practicing?
Dr. Diaz-Alonso graduated from medical school in 1988, 38 years ago.
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