Dr. Francis L. Diaz, MD
- Medicare services, 2024
- 7,497
- Medicare patients, 2024
- 3,969
- MIPS score, 2024
- 75
- Hospital affiliations
- 1
- Industry payments
- $36
- Practice address
- 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922
- Practice phone
- Call (908) 273-4300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summit Medical Group Ambulatory Surgery Center - Berkeley Heights
Surgery Center - Medicare-Certified · Berkeley Heights, New Jersey
Find Dr. Diaz's professional email, personal email and mobile number
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Dr. Francis L. Diaz is a diagnostic radiologist in Berkeley Heights, New Jersey
Dr. Diaz practices at Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey.
Dr. Diaz's NPI, 1932314382, was assigned on May 11, 2007. Dr. Diaz graduated from Jefferson Medical College of Thomas Jefferson University in 2003. Dr. Diaz holds New Jersey license 25MA08609400.
- NPI
- 1932314382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224175914
- NPI enumeration date
- May 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 273-4300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Francis L. Diaz practices at Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey
Dr. Diaz's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights, at 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922. The practice phone is (908) 273-4300.
- Summit Medical Group Ambulatory Surgery Center - Berkeley Heights1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922Phone(908) 273-4300
Source: Dmand AI Affiliation Data
Dr. Francis L. Diaz is affiliated with 3 sites of care and 4 medical groups
Dr. Diaz's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Dr. Diaz is also affiliated with Saint Clare's Denville Hospital. The medical group on file is Summit Health. Dmand AI also links Dr. Diaz to 3 more medical groups and 1 group practice or clinic, each named with a free account. Dr. Diaz's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Francis L. Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summit Medical Group Ambulatory Surgery Center - Berkeley Heights | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Francis L. Diaz is one of 1,002 diagnostic radiologists in New Jersey
Diagnostic radiology is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Diaz is licensed in New Jersey.
Specialties and state licenses
- Diagnostic radiology, New JerseyPrimary
Diagnostic radiologists near Dr. Diaz
Counts of diagnostic radiologists 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. Francis L. Diaz billed Medicare for 7,497 services in 2024
CMS data shows 7,497 Medicare services from Dr. Diaz across 62 procedure codes in 2024, for 3,969 Medicare patients. Medicare paid $167,564 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 6,6732024: 7,40011%
- Other services
- 2023: 622024: 5019%
- Tests and treatments
- 2023: 322024: 4747%
Dr. Diaz compared with the New Jersey median for diagnostic radiologists, 2024
- Dr. Diaz
- New Jersey median
- Medicare services
- 7,497vs 3,4662.2 times
- Medicare patients
- 3,969vs 1,7882.2 times
Medians across 1,017 diagnostic radiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Diaz's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Francis L. Diaz treated 3,969 Medicare patients in 2024, average age 76
CMS counts 3,969 Medicare patients who saw Dr. Diaz in 2024. The largest group is 75 to 84, with 1,476 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 66, with 47% women.
Dr. Diaz's Medicare patients by age, 2024
Dr. Diaz's Medicare patients by sex, 2024
- Women2,60866%
- Men1,36134%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease41%
- Diabetes40%
- Chronic kidney disease34%
- Mood disorders33%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women47%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Francis L. Diaz scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Diaz for performance year 2024, reported as part of a group. Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Francis L. Diaz received $36 in industry payments from 2017 to 2020
CMS Open Payments shows 2 general payments to Dr. Diaz from 2 drug and device companies from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $19.
General payments to Dr. Diaz by program year, 2017 to 2020
Companies that paid Dr. Diaz the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Francis L. Diaz graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Diaz graduated from Jefferson Medical College of Thomas Jefferson University in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Francis L. Diaz'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Francis L. Diaz
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What is Dr. Francis L. Diaz's NPI number?
Dr. Francis L. Diaz's NPI number is 1932314382. It was assigned on May 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Francis L. Diaz?
Dr. Francis L. Diaz is a diagnostic radiologist in Berkeley Heights, New Jersey. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Francis L. Diaz practice?
Dr. Diaz practices at 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922. Dr. Diaz's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Dmand AI also links Dr. Diaz to 3 medical groups and 1 group practice or clinic.
What is Dr. Francis L. Diaz's office phone number?
The practice phone on file for Dr. Diaz is (908) 273-4300.
What is Dr. Francis L. Diaz's medical license number?
Dr. Diaz holds New Jersey license 25MA08609400.
Which hospitals is Dr. Francis L. Diaz affiliated with?
Dr. Diaz is affiliated with Saint Clare's Denville Hospital.
What medical group is Dr. Francis L. Diaz part of?
Dr. Diaz is linked to Summit Health. Dmand AI links Dr. Diaz to 3 more medical groups.
Does Dr. Francis L. Diaz accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 7,497 services in 2024, and Dr. Diaz accepts Medicare assignment.
What is Dr. Francis L. Diaz's MIPS score?
Dr. Diaz's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Francis L. Diaz see?
CMS counts 3,969 Medicare patients who saw Dr. Diaz in 2024, with an average age of 76.
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What services does Dr. Francis L. Diaz bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were diagnostic imaging (71045), radiation oncology (77067) and radiation oncology (77063).
Where did Dr. Francis L. Diaz go to medical school?
Dr. Diaz graduated from Jefferson Medical College of Thomas Jefferson University in 2003.
Has Dr. Francis L. Diaz received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Dr. Diaz from 2 companies from 2017 to 2020. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Francis L. Diaz been practicing?
Dr. Diaz graduated from medical school in 2003, 23 years ago.
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