Dr. Alexander Gilbert, MD

  • Washington, DC
  • Nephrologist
NPI1457346454PAC ID7911809272
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Medstar Georgetown Medical Center

Washington, District of Columbia

See all 6 affiliations

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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 and contact details
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
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Mobile number
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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 Center
    3800 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.

See all 6 affiliations for Dr. Gilbert

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.

EHR by site
SiteEHR vendor and product
Medstar Georgetown Medical CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable 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 ColumbiaPrimaryLicense MD041145 · taxonomy 207RN0300X

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.

Medicare services, 2024832
Medicare patients280
Paid by Medicare$104,042
Procedure codes5

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.

See all procedures by Dr. Gilbert

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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.

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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.

Medicare patients, 2024280
Average age61
Average risk score6.41
Also on Medicaid30%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol74%
  4. Diabetes62%
  5. Ischemic heart disease38%
  6. Arthritis34%
  7. Heart failure31%
  8. 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.

Part D claims, 2024649
Drugs named by CMS17
Total drug cost$14,446
Part D patients144

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.

See all prescribing by Dr. Gilbert

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.

Papers23
Years published2011 to 2025

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

Recent publications by Dr. Gilbert

See all 23 publications and co-authors

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.

How network discovery works

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

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

$1Kin total
  • 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.

See all payments to Dr. Gilbert

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.

  1. Medical schoolNew York University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Alexander Gilbert's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alexander Gilbert

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. 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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