Dr. Diana Alexander Whitehead, MD
- Medicare services, 2024
- 657
- Medicare patients, 2024
- 475
- Part D claims, 2024
- 647
- Publications
- 8
- Hospital affiliations
- 4
- Practice address
- 1838 Greene Tree Rd, Pikesville, MD 21208
- Practice phone
- Call (410) 602-7782
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pikesville MD Endoscopy ASC LLC
Pikesville, Maryland
Find Dr. Whitehead's professional email, personal email and mobile number
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Dr. Diana Alexander Whitehead is a gastroenterologist in Pikesville, Maryland
Dr. Whitehead practices at Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland.
Dr. Whitehead's NPI, 1356661169, was assigned on June 3, 2010. Dr. Whitehead graduated from State University of NY Upstate Medical University in 2010. Dr. Whitehead holds Maryland license D0081415.
- NPI
- 1356661169NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214225473
- NPI enumeration date
- June 3, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 602-7782
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana Alexander Whitehead practices at Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland
Dr. Whitehead's primary practice is Pikesville MD Endoscopy ASC LLC, at 1838 Greene Tree Rd, Pikesville, MD 21208 in Baltimore County. The practice phone is (410) 602-7782.
- Pikesville MD Endoscopy ASC LLC1838 Greene Tree Rd, Pikesville, MD 21208 · Baltimore CountyPhone(410) 602-7782
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Diana Alexander Whitehead is affiliated with 8 sites of care and 5 medical groups
Dr. Whitehead's primary practice is Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland. Dr. Whitehead is also affiliated with Greater Baltimore Medical Center. The medical group on file is Woodholme Gastroenterology Associates. Dmand AI also links Dr. Whitehead to 3 more hospitals, 4 medical groups, 2 group practices and clinics and 1 ambulatory surgery center, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diana Alexander Whitehead's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whitehead practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pikesville MD Endoscopy ASC LLC | Available with a free account |
| +7 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana Alexander Whitehead is one of 405 gastroenterologists in Maryland
Gastroenterology is Dr. Whitehead's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Whitehead's licenses on file in 3 states: Maryland, New Hampshire and Rhode Island.
Specialties and state licenses
- Gastroenterology, MarylandPrimary
- Internal medicine, New Hampshire
- Rhode Island license
Gastroenterologists near Dr. Whitehead
Counts of gastroenterologists 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. Diana Alexander Whitehead billed Medicare for 657 services in 2024
CMS data shows 657 Medicare services from Dr. Whitehead across 13 procedure codes in 2024, for 475 Medicare patients. Medicare paid $73,392 for them.
Dr. Whitehead's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4002024: 35212%
- Surgery
- 2023: 2852024: 2599%
- Other services
- 2023: 452024: 462%
Where Dr. Whitehead's Medicare services took place, 2024
- In an office22534%
- In a facility43266%
Dr. Whitehead compared with the Maryland median for gastroenterologists, 2024
- Dr. Whitehead
- Maryland median
- Medicare services
- 657vs 668Close to median
- Medicare patients
- 475vs 39022% above
- Part D claims
- 497vs 39227% above
Medians across 396 gastroenterologists in Maryland with Dmand AI profiles that report each measure.
Dr. Whitehead'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. Diana Alexander Whitehead treated 475 Medicare patients in 2024, average age 73
CMS counts 475 Medicare patients who saw Dr. Whitehead in 2024. The largest group is 65 to 74, with 238 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Whitehead's median patient age at 60, with 75% women.
Dr. Whitehead's Medicare patients by age, 2024
Dr. Whitehead's Medicare patients by sex, 2024
- Women31466%
- Men16134%
Chronic conditions among Dr. Whitehead's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Mood disorders33%
- Diabetes32%
- Ischemic heart disease31%
- Depression30%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Whitehead's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women75%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diana Alexander Whitehead wrote 647 Medicare Part D claims in 2024
In 2024, Dr. Whitehead wrote 647 Medicare Part D claims for 242 patients. 73% of them were for generic drugs. CMS names the drug for 497 of them, across 18 drugs with 11 or more claims each, at $1,017,974 in total drug cost. In 2023, CMS named 859 claims across 25 drugs.
Dr. Whitehead's Part D claims by kind of drug, 2024
- Generic472 claims73%
- Brand-name and other175 claims27%
Dr. Whitehead'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.
Drug classes CMS tracks in Dr. Whitehead's Part D claims, 2024
- Antibiotics3%18 of 647 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8592024: 49742%
Drugs named by CMS: 18 in 2024, 25 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
Dr. Diana Alexander Whitehead ranks in the 92nd percentile for colonoscopy in Medicare
Dr. Whitehead accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Whitehead as offering telehealth. CMS counts 177 procedures of colonoscopy by Dr. Whitehead, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Whitehead ranks in Medicare procedure volume
- Colonoscopy
- 92nd percentile177 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 81st percentile127 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Diana Alexander Whitehead has 8 publications on record
Dmand AI links 8 papers to Dr. Whitehead, published from 2015 to 2023. 2017 was the busiest year, with 2. Dr. Whitehead's most frequent co-authors are Parambir Singh Dulai, MBBS, David Philip Hudesman, MD and Sunanda V. Kane, MD.
Dr. Whitehead's papers by year, 2015 to 2023
Dr. Whitehead's most frequent co-authors
- Parambir Singh Dulai, MBBS4 shared papers
- David Philip Hudesman, MD4 shared papers
- Sunanda V. Kane, MD4 shared papers
Recent publications by Dr. Whitehead
See who Dr. Whitehead researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Whitehead works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Diana Alexander Whitehead received $320,809 in industry payments from 2016 to 2025
CMS Open Payments shows 883 general payments to Dr. Whitehead from 44 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 73% of the total. Janssen Pharmaceuticals, Inc paid the most, $200,493.
General payments to Dr. Whitehead by program year, 2016 to 2025
General payments to Dr. Whitehead by kind, 2016 to 2025
- Speaker and faculty fees$233,21473%
- Consulting fees$37,60512%
- Travel and lodging$30,96010%
- Food and beverage$19,0036%
- Education$270%
Companies that paid Dr. Whitehead 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. Diana Alexander Whitehead graduated from State University of NY Upstate Medical University
Dr. Whitehead graduated from State University of NY Upstate Medical University in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diana Alexander Whitehead'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 DataDmand AI Affiliation 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Diana Alexander Whitehead
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What is Dr. Diana Alexander Whitehead's NPI number?
Dr. Diana Alexander Whitehead's NPI number is 1356661169. It was assigned on June 3, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana Alexander Whitehead?
Dr. Diana Alexander Whitehead is a gastroenterologist in Pikesville, Maryland. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Diana Alexander Whitehead practice?
Dr. Whitehead practices at 1838 Greene Tree Rd, Pikesville, MD 21208. Dr. Whitehead's primary practice is Pikesville MD Endoscopy ASC LLC in Pikesville, Maryland. Dmand AI also links Dr. Whitehead to 3 hospitals, 4 medical groups, 2 group practices and clinics and 1 ambulatory surgery center.
What is Dr. Diana Alexander Whitehead's office phone number?
The practice phone on file for Dr. Whitehead is (410) 602-7782.
What is Dr. Diana Alexander Whitehead's medical license number?
Dr. Whitehead holds Maryland license D0081415, one of the licenses on file in 3 states.
Which states has Dr. Diana Alexander Whitehead been licensed in?
Dmand AI has state licenses on file for Dr. Whitehead in Maryland, New Hampshire and Rhode Island.
Which hospitals is Dr. Diana Alexander Whitehead affiliated with?
Dr. Whitehead is affiliated with Greater Baltimore Medical Center. Dmand AI links Dr. Whitehead to 3 more hospitals.
What medical group is Dr. Diana Alexander Whitehead part of?
Dr. Whitehead is linked to Woodholme Gastroenterology Associates. Dmand AI links Dr. Whitehead to 4 more medical groups.
Does Dr. Diana Alexander Whitehead accept Medicare?
Yes. CMS data shows Dr. Whitehead billed Medicare for 657 services in 2024, and Dr. Whitehead accepts Medicare assignment.
Does Dr. Diana Alexander Whitehead offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Whitehead as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Diana Alexander Whitehead see?
CMS counts 475 Medicare patients who saw Dr. Whitehead in 2024, with an average age of 73.
What services does Dr. Diana Alexander Whitehead bill to Medicare?
In 2024, Dr. Whitehead's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: digestive system (45380).
Where did Dr. Diana Alexander Whitehead go to medical school?
Dr. Whitehead graduated from State University of NY Upstate Medical University in 2010.
What drugs does Dr. Diana Alexander Whitehead prescribe most?
In 2024 Medicare Part D data, Dr. Whitehead's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Omeprazole.
Has Dr. Diana Alexander Whitehead received payments from drug or device companies?
CMS Open Payments shows $320,809 in general payments to Dr. Whitehead from 44 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Diana Alexander Whitehead been practicing?
Dr. Whitehead graduated from medical school in 2010, 16 years ago.
Does Dr. Diana Alexander Whitehead do research?
Dmand AI links 8 publications to Dr. Whitehead, published from 2015 to 2023.
Who does Dr. Diana Alexander Whitehead publish with?
Dr. Whitehead's most frequent co-authors are Parambir Singh Dulai, MBBS (4 shared papers), David Philip Hudesman, MD (4 shared papers) and Sunanda V. Kane, MD (4 shared papers).
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