Dr. Bernardo Fabian Diaz Jr., MD
- Medicare services, 2024
- 250
- Medicare patients, 2024
- 220
- Part D claims, 2024
- 15
- Hospital affiliations
- 1
- Industry payments
- $7,083
- Practice address
- 11116 Medical Campus Road, Hagerstown, MD 21742
- Practice phone
- Call (240) 313-9500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Diaz'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. Bernardo Fabian Diaz Jr. is a surgical critical care physician in Hagerstown, Maryland
Dr. Diaz practices at Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health.
Dr. Diaz's NPI, 1609255447, was assigned on May 26, 2015. Dr. Diaz holds Maryland license D98084.
- NPI
- 1609255447NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608127576
- NPI enumeration date
- May 26, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (240) 313-9500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bernardo Fabian Diaz Jr. practices at Meritus Medical Center in Hagerstown, Maryland
Dr. Diaz's primary practice is Meritus Medical Center, at 11116 Medical Campus Road, Hagerstown, MD 21742 in Washington County. The practice phone is (240) 313-9500.
- Meritus Medical Center11116 Medical Campus Road, Hagerstown, MD 21742 · Washington CountyPhone(240) 313-9500
Source: Dmand AI Affiliation Data
Dr. Bernardo Fabian Diaz Jr. is affiliated with 4 sites of care and 3 medical groups
Dr. Diaz's primary practice is Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health. The medical group on file is Meritus Radiology. Dmand AI also links Dr. Diaz to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bernardo Fabian Diaz Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Meritus Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Meritus Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Bernardo Fabian Diaz Jr. is one of 28 surgical critical care physicians in Maryland
Surgical critical care is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dmand AI has Dr. Diaz's licenses on file in 3 states: Maryland, Missouri and Pennsylvania.
Specialties and state licenses
- Surgical critical care, MarylandPrimary
- Trauma surgery, Missouri
- Surgery, Pennsylvania
Surgical critical care physicians near Dr. Diaz
Counts of surgical critical care 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. Bernardo Fabian Diaz Jr. billed Medicare for 250 services in 2024
CMS data shows 250 Medicare services from Dr. Diaz across 8 procedure codes in 2024, for 220 Medicare patients. Medicare paid $20,527 for them.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1012024: 250148%
Where Dr. Diaz's Medicare services took place, 2024
- In an office146%
- In a facility23694%
Dr. Diaz compared with the Maryland median for surgical critical care physicians, 2024
- Dr. Diaz
- Maryland median
- Medicare services
- 250vs 13881% above
- Medicare patients
- 220vs 962.3 times
Medians across 28 surgical critical care physicians in Maryland 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.
Need commercial claims for Dr. Diaz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz and other surgical critical care physicians in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bernardo Fabian Diaz Jr. treated 220 Medicare patients in 2024, average age 75
CMS counts 220 Medicare patients who saw Dr. Diaz in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.83, 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 69, with 51% women.
Dr. Diaz's Medicare patients by age, 2024
Dr. Diaz's Medicare patients by sex, 2024
- Women12255%
- Men9845%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Mood disorders53%
- Diabetes48%
- Depression45%
- Anxiety44%
- Ischemic heart disease42%
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 69
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bernardo Fabian Diaz Jr. wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 15 Medicare Part D claims. 80% of them were for generic drugs. They cover 1 drug, with $61 in total drug cost. In 2020, CMS named 14 claims across 1 drug.
Dr. Diaz's Part D claims by kind of drug, 2024
- Generic12 claims80%
- Brand-name and other3 claims20%
Dr. Diaz'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, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 142023: 1721%
Drugs named by CMS: 1 in 2023, 1 in 2020.
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
How Dr. Bernardo Fabian Diaz Jr. takes part in Medicare
Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Bernardo Fabian Diaz Jr. received $7,083 in industry payments from 2023 to 2025
CMS Open Payments shows 16 general payments to Dr. Diaz from 7 drug and device companies from 2023 to 2025. Education make up the largest share, 78% of the total. Intuitive Surgical, Inc. paid the most, $6,595.
General payments to Dr. Diaz by program year, 2023 to 2025
General payments to Dr. Diaz by kind, 2023 to 2025
- Education$5,50078%
- Travel and lodging$1,05115%
- Food and beverage$5328%
Companies that paid Dr. Diaz the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Bernardo Fabian Diaz Jr.'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) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Bernardo Fabian Diaz Jr.
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. Bernardo Fabian Diaz Jr.'s NPI number?
Dr. Bernardo Fabian Diaz Jr.'s NPI number is 1609255447. It was assigned on May 26, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Bernardo Fabian Diaz Jr.?
Dr. Bernardo Fabian Diaz Jr. is a surgical critical care physician in Hagerstown, Maryland. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).
Where does Dr. Bernardo Fabian Diaz Jr. practice?
Dr. Diaz practices at 11116 Medical Campus Road, Hagerstown, MD 21742. Dr. Diaz's primary practice is Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health. Dmand AI also links Dr. Diaz to 3 group practices and clinics and 2 medical groups.
What is Dr. Bernardo Fabian Diaz Jr.'s office phone number?
The practice phone on file for Dr. Diaz is (240) 313-9500.
What is Dr. Bernardo Fabian Diaz Jr.'s medical license number?
Dr. Diaz holds Maryland license D98084, one of the licenses on file in 3 states.
Which states has Dr. Bernardo Fabian Diaz Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Diaz in Maryland, Missouri and Pennsylvania.
Which hospitals is Dr. Bernardo Fabian Diaz Jr. affiliated with?
Dr. Diaz practices at Meritus Medical Center in Hagerstown, Maryland.
What medical group is Dr. Bernardo Fabian Diaz Jr. part of?
Dr. Diaz is linked to Meritus Radiology. Dmand AI links Dr. Diaz to 2 more medical groups.
Does Dr. Bernardo Fabian Diaz Jr. accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 250 services in 2024, and Dr. Diaz accepts Medicare assignment.
How many Medicare patients does Dr. Bernardo Fabian Diaz Jr. see?
CMS counts 220 Medicare patients who saw Dr. Diaz in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Bernardo Fabian Diaz Jr. bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99223).
What drugs does Dr. Bernardo Fabian Diaz Jr. prescribe most?
In 2023 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Bernardo Fabian Diaz Jr. received payments from drug or device companies?
CMS Open Payments shows $7,083 in general payments to Dr. Diaz from 7 companies from 2023 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Bernardo Fabian Diaz Jr. been practicing?
Dr. Diaz graduated from medical school in 2014, 12 years ago.
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