Dr. Alexander Gilbert, MD
- Medicare services, 2024
- 832
- Medicare patients, 2024
- 280
- Part D claims, 2024
- 649
- Publications
- 23
- Clinical trials
- 2
- Practice address
- 3800 Reservoir NW Rd, Washington, DC 20007
- Practice phone
- Call (202) 444-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Georgetown Medical Center
Washington, District of Columbia
Find Dr. Gilbert'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. Alexander Gilbert is a nephrologist in Washington, District of Columbia
Dr. Gilbert practices at Medstar Georgetown Medical Center in Washington, District of Columbia.
Dr. Gilbert's NPI, 1457346454, was assigned on September 15, 2005. Dr. Gilbert graduated from New York University School of Medicine in 1998. Dr. Gilbert holds District of Columbia license MD041145.
- NPI
- 1457346454NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911809272
- NPI enumeration date
- September 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 444-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Gilbert practices at Medstar Georgetown Medical Center in Washington, District of Columbia
Dr. Gilbert's primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.
- Medstar Georgetown Medical Center3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexander Gilbert is affiliated with 4 sites of care and 2 medical groups
Dr. Gilbert's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dr. Gilbert is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Gilbert to 2 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander Gilbert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gilbert practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Georgetown Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Gilbert is one of 58 nephrologists in District of Columbia
Nephrology is Dr. Gilbert's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Gilbert is licensed in District of Columbia.
Specialties and state licenses
- Nephrology, District of ColumbiaPrimary
Nephrologists near Dr. Gilbert
Counts of nephrologists 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. Alexander Gilbert billed Medicare for 832 services in 2024
CMS data shows 832 Medicare services from Dr. Gilbert across 5 procedure codes in 2024, for 280 Medicare patients. Medicare paid $104,042 for them.
Dr. Gilbert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9912024: 83216%
Where Dr. Gilbert's Medicare services took place, 2024
- In an office32639%
- In a facility50661%
Dr. Gilbert compared with the District of Columbia median for nephrologists, 2024
- Dr. Gilbert
- District of Columbia median
- Medicare services
- 832vs 7639% above
- Medicare patients
- 280vs 22425% above
- Part D claims
- 537vs 2082.6 times
Medians across 51 nephrologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Gilbert'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gilbert and other nephrologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Gilbert treated 280 Medicare patients in 2024, average age 61
CMS counts 280 Medicare patients who saw Dr. Gilbert in 2024. The largest group is under 65, with 154 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 30% are also on Medicaid. Their average risk score is 6.41, 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. Gilbert's median patient age at 58, with 37% women.
Dr. Gilbert's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gilbert's Medicare patients by sex, 2024
- Women12244%
- Men15856%
Chronic conditions among Dr. Gilbert's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol74%
- Diabetes62%
- Ischemic heart disease38%
- Arthritis34%
- Heart failure31%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gilbert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women37%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Gilbert wrote 649 Medicare Part D claims in 2024
In 2024, Dr. Gilbert wrote 649 Medicare Part D claims for 144 patients. 97% of them were for generic drugs. CMS names the drug for 537 of them, across 17 drugs with 11 or more claims each, at $14,446 in total drug cost. In 2023, CMS named 300 claims across 12 drugs.
Dr. Gilbert's Part D claims by kind of drug, 2024
- Generic630 claims97%
- Brand-name19 claims3%
Dr. Gilbert'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. Gilbert's Part D claims, 2024
- Antibiotics2%16 of 649 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: 3002024: 53779%
Drugs named by CMS: 17 in 2024, 12 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. Alexander Gilbert scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Gilbert for performance year 2024, reported as part of a group. Dr. Gilbert accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gilbert as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gilbert's MIPS scores, performance year 2024
- 83of 100Final score
- 72.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
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. Alexander Gilbert has 23 publications on record
Dmand AI links 23 papers to Dr. Gilbert, published from 2011 to 2025. 2025 was the busiest year, with 5. The most frequent topics are Kidney Transplantation, HIV Infections and Tissue Donors. Dr. Gilbert has published most often in Am J Transplant. Dr. Gilbert's most frequent co-authors are Valentina Stosor, MD, Christine Marie Durand and Sander S. Florman, MD.
Dr. Gilbert's papers by year, 2012 to 2025
Topics Dr. Gilbert writes about most
- Kidney Transplantation
- HIV Infections
- Tissue Donors
- Tissue and Organ Procurement
- Graft Rejection
- Graft Survival
- Death
- Living Donors
Dr. Gilbert's most frequent co-authors
- Valentina Stosor, MD9 shared papers
- Christine Marie Durand8 shared papers
- Sander S. Florman, MD8 shared papers
Recent publications by Dr. Gilbert
Am J Transplant
See who Dr. Gilbert researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gilbert works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexander Gilbert has worked on 2 clinical trials
Dmand AI links Dr. Gilbert to 2 clinical trials. Conditions studied include Acquired Immunodeficiency Syndrome and Slow Virus Diseases.
Conditions in Dr. Gilbert's trials
- Acquired Immunodeficiency Syndrome
- Slow Virus Diseases
Investigators on the most trials with Dr. Gilbert
- Anthony David Amoroso, MD1 shared trial
- Senu K. Apewokin, MD1 shared trial
- Roy D. Bloom, MD1 shared trial
Recent clinical trials with Dr. Gilbert
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Alexander Gilbert received $1,009 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Gilbert from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 73% of the total. Novartis Pharmaceuticals Corporation paid the most, $305.
General payments to Dr. Gilbert by program year, 2016 to 2025
General payments to Dr. Gilbert by kind, 2016 to 2025
- Food and beverage$73973%
- Consulting fees$27027%
Companies that paid Dr. Gilbert 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. Alexander Gilbert graduated from New York University School of Medicine
Dr. Gilbert graduated from New York University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander Gilbert'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 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Alexander Gilbert
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What is Dr. Alexander Gilbert's NPI number?
Dr. Alexander Gilbert's NPI number is 1457346454. It was assigned on September 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Gilbert?
Dr. Alexander Gilbert is a nephrologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Alexander Gilbert practice?
Dr. Gilbert practices at 3800 Reservoir NW Rd, Washington, DC 20007. Dr. Gilbert's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Dr. Gilbert to 2 hospitals and 1 medical group.
What is Dr. Alexander Gilbert's office phone number?
The practice phone on file for Dr. Gilbert is (202) 444-1400.
What is Dr. Alexander Gilbert's medical license number?
Dr. Gilbert holds District of Columbia license MD041145.
Which hospitals is Dr. Alexander Gilbert affiliated with?
Dr. Gilbert is affiliated with MedStar Washington Hospital Center. Dmand AI links Dr. Gilbert to 2 more hospitals.
What medical group is Dr. Alexander Gilbert part of?
Dr. Gilbert is linked to MedStar Medical Group. Dmand AI links Dr. Gilbert to 1 more medical group.
Does Dr. Alexander Gilbert accept Medicare?
Yes. CMS data shows Dr. Gilbert billed Medicare for 832 services in 2024, and Dr. Gilbert accepts Medicare assignment.
Does Dr. Alexander Gilbert offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gilbert as offering telehealth services.
What is Dr. Alexander Gilbert's MIPS score?
Dr. Gilbert's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Alexander Gilbert see?
CMS counts 280 Medicare patients who saw Dr. Gilbert in 2024, with an average age of 61.
What services does Dr. Alexander Gilbert bill to Medicare?
In 2024, Dr. Gilbert's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Alexander Gilbert go to medical school?
Dr. Gilbert graduated from New York University School of Medicine in 1998.
What drugs does Dr. Alexander Gilbert prescribe most?
In 2024 Medicare Part D data, Dr. Gilbert's most prescribed drugs by claims were Pantoprazole Sodium, Prednisone and Carvedilol.
Has Dr. Alexander Gilbert received payments from drug or device companies?
CMS Open Payments shows $1,009 in general payments to Dr. Gilbert from 7 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Alexander Gilbert been practicing?
Dr. Gilbert graduated from medical school in 1998, 28 years ago.
Does Dr. Alexander Gilbert do research?
Dmand AI links 23 publications to Dr. Gilbert, published from 2011 to 2025. Dr. Gilbert has worked on 2 clinical trials.
Who does Dr. Alexander Gilbert publish with?
Dr. Gilbert's most frequent co-authors are Valentina Stosor, MD (9 shared papers), Christine Marie Durand (8 shared papers) and Sander S. Florman, MD (8 shared papers).
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