Dr. Diala El-Maouche, MD, MS
- Medicare services, 2024
- 2,683
- Medicare patients, 2024
- 204
- Part D claims, 2024
- 529
- Hospital affiliations
- 2
- Industry payments
- $99,147
- Practice address
- 2300 M St Nw, Washington, DC 20037-1434
- Practice phone
- Call (202) 677-6990
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medical Faculty Associates - Washington (M St NW)
Multi-specialty group site · Washington, District of Columbia
Find Dr. El-Maouche'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. Diala El-Maouche is an endocrinologist in Washington, District of Columbia
Dr. El-Maouche practices at Medical Faculty Associates - Washington (M St NW) in Washington, District of Columbia.
Dr. El-Maouche's NPI, 1487817821, was assigned on July 7, 2008. Dr. El-Maouche holds Maryland license D72079.
- NPI
- 1487817821NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880812502
- NPI enumeration date
- July 7, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 677-6990
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diala El-Maouche practices at 2 locations in Washington, District of Columbia
Dr. El-Maouche's primary practice is Medical Faculty Associates - Washington (M St NW), at 2300 M St Nw, Washington, DC 20037-1434. The practice phone is (202) 677-6990. The NPI Registry lists Dr. El-Maouche's practice address as 2150 Pennsylvania NW Ave, Washington, DC 20037.
- Medical Faculty Associates - Washington (M St NW)Primary2300 M St Nw, Washington, DC 20037-1434Phone(202) 677-6990
- NPI Registry address2150 Pennsylvania NW Ave, Washington, DC 20037 · District Of Columbia CountyPhone(202) 741-3333
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Diala El-Maouche is affiliated with 4 sites of care and 2 medical groups
Dr. El-Maouche's primary practice is Medical Faculty Associates - Washington (M St NW) in Washington, District of Columbia. Dr. El-Maouche is also affiliated with Sibley Memorial Hospital. The medical group on file is The GW Medical Faculty Associates. Dmand AI also links Dr. El-Maouche to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Diala El-Maouche's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. El-Maouche practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical Faculty Associates - Washington (M St NW) | 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. Diala El-Maouche is one of 53 endocrinologists in District of Columbia
Endocrinology, diabetes and metabolism is Dr. El-Maouche's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dmand AI has Dr. El-Maouche's licenses on file in 3 states: Maryland, District of Columbia and Florida.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, MarylandPrimary
- District of Columbia license
- Internal medicine, Florida
Endocrinologists near Dr. El-Maouche
Counts of endocrinologists 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. Diala El-Maouche billed Medicare for 2,683 services in 2024
CMS data shows 2,683 Medicare services from Dr. El-Maouche across 8 procedure codes in 2024, for 204 Medicare patients. Medicare paid $56,989 for them.
Dr. El-Maouche's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4,7052024: 2,40049%
- Office and hospital visits
- 2023: 3842024: 13864%
- Imaging
- 2023: 712024: 6213%
- Tests and treatments
- 2023: 1072024: 5549%
- Lab and pathology
- 2023: 1172024: 2876%
Where Dr. El-Maouche's Medicare services took place, 2024
- In an office2,58196%
- In a facility1024%
Dr. El-Maouche compared with the District of Columbia median for endocrinologists, 2024
- Dr. El-Maouche
- District of Columbia median
- Medicare services
- 2,683vs 5494.9 times
- Medicare patients
- 204vs 212Close to median
- Part D claims
- 366vs 79754% below
Medians across 50 endocrinologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. El-Maouche'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. Diala El-Maouche treated 204 Medicare patients in 2024, average age 73
CMS counts 204 Medicare patients who saw Dr. El-Maouche in 2024. The largest group is 65 to 74, with 93 patients. 71% of them have high cholesterol, and 66% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. El-Maouche's median patient age at 70, with 100% women.
Dr. El-Maouche's Medicare patients by age, 2024
Dr. El-Maouche's Medicare patients by sex, 2024
- Women16380%
- Men4120%
Chronic conditions among Dr. El-Maouche's Medicare patients, 2024
- High cholesterol71%
- High blood pressure66%
- Osteoporosis55%
- Arthritis49%
- Diabetes36%
- Ischemic heart disease26%
- Chronic kidney disease25%
- Cancer22%
Share of Medicare patients with each condition. A patient can have several.
Dr. El-Maouche's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diala El-Maouche wrote 529 Medicare Part D claims in 2024
In 2024, Dr. El-Maouche wrote 529 Medicare Part D claims for 102 patients. 44% of them were for generic drugs. CMS names the drug for 366 of them, across 14 drugs with 11 or more claims each, at $153,925 in total drug cost. In 2023, CMS named 493 claims across 16 drugs.
Dr. El-Maouche's Part D claims by kind of drug, 2024
- Generic234 claims44%
- Brand-name266 claims50%
- Other29 claims5%
Dr. El-Maouche'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: 4932024: 36626%
Drugs named by CMS: 14 in 2024, 16 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. Diala El-Maouche takes part in Medicare
Dr. El-Maouche 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. Diala El-Maouche received $99,147 in industry payments from 2021 to 2025
CMS Open Payments shows 206 general payments to Dr. El-Maouche from 17 drug and device companies from 2021 to 2025. Speaker and faculty fees make up the largest share, 75% of the total. Alexion Pharmaceuticals, Inc. paid the most, $82,846.
General payments to Dr. El-Maouche by program year, 2021 to 2025
General payments to Dr. El-Maouche by kind, 2021 to 2025
- Speaker and faculty fees$74,34175%
- Travel and lodging$13,82414%
- Food and beverage$6,0326%
- Consulting fees$4,9505%
Companies that paid Dr. El-Maouche the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Diala El-Maouche's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Diala El-Maouche
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. Diala El-Maouche's NPI number?
Dr. Diala El-Maouche's NPI number is 1487817821. It was assigned on July 7, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Diala El-Maouche?
Dr. Diala El-Maouche is an endocrinologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Diala El-Maouche practice?
Dr. El-Maouche practices at 2300 M St Nw, Washington, DC 20037-1434. Dr. El-Maouche also practices at 2150 Pennsylvania NW Ave, Washington, DC 20037. Dr. El-Maouche's primary practice is Medical Faculty Associates - Washington (M St NW) in Washington, District of Columbia. Dmand AI also links Dr. El-Maouche to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Diala El-Maouche's office phone number?
The practice phone on file for Dr. El-Maouche is (202) 677-6990.
What is Dr. Diala El-Maouche's medical license number?
Dr. El-Maouche holds Maryland license D72079, one of the licenses on file in 3 states.
Which states has Dr. Diala El-Maouche been licensed in?
Dmand AI has state licenses on file for Dr. El-Maouche in Maryland, District of Columbia and Florida.
Which hospitals is Dr. Diala El-Maouche affiliated with?
Dr. El-Maouche is affiliated with Sibley Memorial Hospital. Dmand AI links Dr. El-Maouche to 1 more hospital.
What medical group is Dr. Diala El-Maouche part of?
Dr. El-Maouche is linked to The GW Medical Faculty Associates. Dmand AI links Dr. El-Maouche to 1 more medical group.
Does Dr. Diala El-Maouche accept Medicare?
Yes. CMS data shows Dr. El-Maouche billed Medicare for 2,683 services in 2024, and Dr. El-Maouche accepts Medicare assignment.
How many Medicare patients does Dr. Diala El-Maouche see?
CMS counts 204 Medicare patients who saw Dr. El-Maouche in 2024, with an average age of 73.
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What services does Dr. Diala El-Maouche bill to Medicare?
In 2024, Dr. El-Maouche's most billed Medicare services were injected or infused drug (J0897), radiation oncology (77080) and office visit, established patient (99214).
What drugs does Dr. Diala El-Maouche prescribe most?
In 2024 Medicare Part D data, Dr. El-Maouche's most prescribed drugs by claims were Levothyroxine Sodium, Trulicity and Metformin HCl ER.
Has Dr. Diala El-Maouche received payments from drug or device companies?
CMS Open Payments shows $99,147 in general payments to Dr. El-Maouche from 17 companies from 2021 to 2025. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Diala El-Maouche been practicing?
Dr. El-Maouche graduated from medical school in 2007, 19 years ago.
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