Alexander Gilbert, M.D.
Nephrology Physician · Washington, DC
Alexander Gilbert, M.D. is a nephrology physician with a practice address in Washington, District of Columbia, and NPI 1457346454, issued on Sep 15, 2005. Check the license (District of Columbia MD041145, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Alexander Gilbert
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD041145 DC
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Reservoir RD NW, Washington, DC 20007
- Phone
- (202) 444-3700
- Enumerated
- Sep 15, 2005
- Record last updated
- Jun 29, 2023
- Medicare enrollment
- Enrolled (PECOS I20130513000507); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 79 in District of Columbia → Look up another NPI →
Also registered at 3800 Reservoir RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Valiollah AbbassiPediatric Endocrinology Physician1073511275
- Ahmed AbdelfatahStudent in an Organized Health Care Education/Training Program1326918269
- Zeinab Abdi, M.D.Pediatrics Physician1861781437
Verify Alexander Gilbert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD041145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average nephrology physician in 2024
649 Medicare Part D claims for 144 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Pantoprazole Sodium67 claims
- Prednisone63 claims
- Carvedilol55 claims
- Famotidine49 claims
- Tacrolimus44 claims
- Nifedipine Er37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $65.97
1 payment: food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Medstar Medical Group II LLCWashington, DC
- Mgmc LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Gilbert among 79 nephrology physician records in District of Columbia
Alexander Gilbert, M.D. is one of 79 nephrology physician records with a practice address in District of Columbia. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1998 · median 1998 among the 47 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in District of Columbia
There are 79 nephrology physician records in District of Columbia.
All 79 in District of Columbia → Every provider in Washington → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Abraham Aron, M.D.Washington, DC 200071801276639
- Shakil AslamWashington, DC 200071497753503
- Shadi Hamwi, MDWashington, DC 200071952497372
- Anjuli Jain, MDWashington, DC 200071316438039
- Basit Javaid, M.D.Washington, DC 200071063508851
- Michael Lipkowitz, MDWashington, DC 200071902824725
- Francisco LlachWashington, DC 200071669472585
- Kaitlin Markoja, MDWashington, DC 200071457857476
Common questions
What is Alexander Gilbert, M.D.'s NPI number?
Alexander Gilbert, M.D.'s National Provider Identifier (NPI) is 1457346454, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Gilbert, M.D. located?
The NPPES record lists a practice address at 3800 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 444-3700. Providers update this record themselves, so call before visiting.
How can I verify Alexander Gilbert, M.D.'s license?
NPPES lists District of Columbia license number MD041145, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexander Gilbert, M.D. prescribe under Medicare Part D?
In 2024, Alexander Gilbert, M.D. had 649 Medicare Part D claims for 144 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Alexander Gilbert, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.