Dr. Monica Maria Diaz, MD, MS
- Medicare services, 2024
- 37
- Medicare patients, 2024
- 38
- Part D claims, 2024
- 279
- Hospital affiliations
- 1
- Industry payments
- $256
- Practice address
- 101 Manning Drive, Chapel Hill, NC 27514
- Practice phone
- Call (919) 966-4141
- 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
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Dr. Monica Maria Diaz is a neurologist in Chapel Hill, North Carolina
Dr. Diaz practices at UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System.
Dr. Diaz's NPI, 1336568757, was assigned on April 14, 2014. Dr. Diaz graduated from State University of New York Downstate Medical Center in 2014. Dr. Diaz holds North Carolina license 202004550.
- NPI
- 1336568757NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517279201
- NPI enumeration date
- April 14, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 966-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Monica Maria Diaz practices at UNC Hospitals in Chapel Hill, North Carolina
Dr. Diaz's primary practice is UNC Hospitals, at 101 Manning Drive, Chapel Hill, NC 27514 in Orange County. The practice phone is (919) 966-4141.
- UNC Hospitals101 Manning Drive, Chapel Hill, NC 27514 · Orange CountyPhone(919) 966-4141
Source: Dmand AI Affiliation Data
Dr. Monica Maria Diaz is affiliated with 2 sites of care and 1 medical group
Dr. Diaz's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. The medical group on file is UNC Faculty Physicians. Dmand AI also links Dr. Diaz to 1 more therapy and rehab clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Monica Maria Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Hospitals | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Monica Maria Diaz is one of 543 neurologists in North Carolina
Neurology is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Diaz is licensed in North Carolina.
Specialties and state licenses
- Neurology, North CarolinaPrimary
Neurologists near Dr. Diaz
Counts of neurologists 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. Monica Maria Diaz billed Medicare for 37 services in 2024
CMS data shows 37 Medicare services from Dr. Diaz across 2 procedure codes in 2024, for 38 Medicare patients. Medicare paid $2,368 for them. Every service was in an office.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 532024: 1964%
- Other services
- 2023: 02024: 18
Dr. Diaz compared with the North Carolina median for neurologists, 2024
- Dr. Diaz
- North Carolina median
- Medicare services
- 37vs 35089% below
- Medicare patients
- 38vs 18680% below
- Part D claims
- 162vs 55071% below
Medians across 528 neurologists in North Carolina 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. Monica Maria Diaz treated 38 Medicare patients in 2024, average age 68
CMS counts 38 Medicare patients who saw Dr. Diaz in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 66% have high cholesterol. Their average risk score is 2.42, 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 64, with 63% women.
Dr. Diaz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Diaz's Medicare patients by sex, 2024
- Women2053%
- Men1847%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol66%
- Arthritis55%
- Mood disorders55%
- Depression53%
- Anxiety50%
- Diabetes32%
- Ischemic heart disease32%
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 64
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Monica Maria Diaz wrote 279 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 279 Medicare Part D claims for 58 patients. 91% of them were for generic drugs. CMS names the drug for 162 of them, across 8 drugs with 11 or more claims each, at $80,240 in total drug cost. In 2023, CMS named 162 claims across 10 drugs.
Dr. Diaz's Part D claims by kind of drug, 2024
- Generic253 claims91%
- Brand-name26 claims9%
Dr. Diaz's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1622024: 162No change
Drugs named by CMS: 8 in 2024, 10 in 2023.
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. Monica Maria Diaz takes part in Medicare
Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Monica Maria Diaz received $256 in industry payments from 2018 to 2023
CMS Open Payments shows 10 general payments to Dr. Diaz from 4 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 81% of the total. Biogen, Inc. paid the most, $93. It also lists 1 research payment totaling $336 in 2024.
General payments to Dr. Diaz by program year, 2018 to 2023
General payments to Dr. Diaz by kind, 2018 to 2023
- Food and beverage$20681%
- Education$4919%
Companies that paid Dr. Diaz the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Monica Maria Diaz graduated from State University of New York Downstate Medical Center
Dr. Diaz graduated from State University of New York Downstate Medical Center in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Monica Maria 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) |
| 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) |
| 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. Monica Maria Diaz
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. Monica Maria Diaz's NPI number?
Dr. Monica Maria Diaz's NPI number is 1336568757. It was assigned on April 14, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Monica Maria Diaz?
Dr. Monica Maria Diaz is a neurologist in Chapel Hill, North Carolina. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Monica Maria Diaz practice?
Dr. Diaz practices at 101 Manning Drive, Chapel Hill, NC 27514. Dr. Diaz's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. Dmand AI also links Dr. Diaz to 1 therapy and rehab clinic.
What is Dr. Monica Maria Diaz's office phone number?
The practice phone on file for Dr. Diaz is (919) 966-4141.
What is Dr. Monica Maria Diaz's medical license number?
Dr. Diaz holds North Carolina license 202004550.
Which hospitals is Dr. Monica Maria Diaz affiliated with?
Dr. Diaz practices at UNC Hospitals in Chapel Hill, North Carolina.
What medical group is Dr. Monica Maria Diaz part of?
Dr. Diaz is linked to UNC Faculty Physicians.
Does Dr. Monica Maria Diaz accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 37 services in 2024, and Dr. Diaz accepts Medicare assignment.
How many Medicare patients does Dr. Monica Maria Diaz see?
CMS counts 38 Medicare patients who saw Dr. Diaz in 2024, with an average age of 68.
What services does Dr. Monica Maria Diaz bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were office visit, established patient (99215) and medicare service (G2211).
Show 4 more questionsShow fewer questions
Where did Dr. Monica Maria Diaz go to medical school?
Dr. Diaz graduated from State University of New York Downstate Medical Center in 2014.
What drugs does Dr. Monica Maria Diaz prescribe most?
In 2024 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Gabapentin, Baclofen and Pregabalin.
Has Dr. Monica Maria Diaz received payments from drug or device companies?
CMS Open Payments shows $256 in general payments to Dr. Diaz from 4 companies from 2018 to 2023. The largest total came from Biogen, Inc.
How long has Dr. Monica Maria Diaz been practicing?
Dr. Diaz graduated from medical school in 2014, 12 years ago.
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