Dr. Essam A. Mostafa, MD
- Medicare services, 2024
- 4,854
- Medicare patients, 2024
- 491
- Part D claims, 2024
- 480
- Hospital affiliations
- 5
- Industry payments
- $395
- Practice address
- 17150 Euclid St, Fountain Valley, CA 92708
- Practice phone
- Call (714) 918-5184
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
European Outpatient Surgery Center
Fountain Valley, California
Find Dr. Mostafa'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. Essam A. Mostafa is a nephrologist in Fountain Valley, California
Dr. Mostafa practices at European Outpatient Surgery Center in Fountain Valley, California.
Dr. Mostafa's NPI, 1316932270, was assigned on September 16, 2005. Dr. Mostafa graduated from Cairo University School of Medicine in 1992. Dr. Mostafa holds California license C55143.
- NPI
- 1316932270NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052219664
- NPI enumeration date
- September 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 918-5184
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Essam A. Mostafa practices at European Outpatient Surgery Center in Fountain Valley, California
Dr. Mostafa's primary practice is European Outpatient Surgery Center, at 17150 Euclid St, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 918-5184.
- European Outpatient Surgery Center17150 Euclid St, Fountain Valley, CA 92708 · Orange CountyPhone(714) 918-5184
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Essam A. Mostafa is affiliated with 13 sites of care and 2 medical groups
Dr. Mostafa's primary practice is European Outpatient Surgery Center in Fountain Valley, California. Dr. Mostafa is also affiliated with Orange Coast Medical Center. The medical group on file is Kevin Pham, MD INC. Dmand AI also links Dr. Mostafa to 4 more hospitals, 5 dialysis centers, 2 group practices and clinics and 1 medical group, 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. Essam A. Mostafa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mostafa practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| European Outpatient Surgery Center | Available with a free account |
| +12 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Essam A. Mostafa is one of 1,401 nephrologists in California
Nephrology is Dr. Mostafa's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Mostafa is board certified in nephrology by the American Board of Internal Medicine. Dmand AI has Dr. Mostafa's licenses on file in 4 states: California, Indiana, Ohio and Virginia.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Indiana license
- Ohio license
- Virginia license
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease and kidney disease among the conditions Dr. Mostafa treats.
Nephrologists near Dr. Mostafa
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. Essam A. Mostafa billed Medicare for 4,854 services in 2024
CMS data shows 4,854 Medicare services from Dr. Mostafa across 10 procedure codes in 2024, for 491 Medicare patients. Medicare paid $581,917 for them.
Dr. Mostafa's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3,6272024: 4,33620%
- Tests and treatments
- 2023: 4532024: 51814%
Where Dr. Mostafa's Medicare services took place, 2024
- In an office4108%
- In a facility4,44492%
Dr. Mostafa compared with the California median for nephrologists, 2024
- Dr. Mostafa
- California median
- Medicare services
- 4,854vs 1,0844.5 times
- Medicare patients
- 491vs 30760% above
- Part D claims
- 370vs 95561% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Mostafa'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.
Need commercial claims for Dr. Mostafa?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mostafa and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Essam A. Mostafa treated 491 Medicare patients in 2024, average age 76
CMS counts 491 Medicare patients who saw Dr. Mostafa in 2024. The largest group is 75 to 84, with 152 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 73% are also on Medicaid. Their average risk score is 4.13, 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. Mostafa's median patient age at 70, with 39% women.
Dr. Mostafa's Medicare patients by age, 2024
Dr. Mostafa's Medicare patients by sex, 2024
- Women22746%
- Men26454%
Chronic conditions among Dr. Mostafa's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes70%
- Heart failure68%
- Ischemic heart disease59%
- Arthritis56%
- Atrial fibrillation52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mostafa'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
- Women39%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Essam A. Mostafa wrote 480 Medicare Part D claims in 2024
In 2024, Dr. Mostafa wrote 480 Medicare Part D claims for 80 patients. 80% of them were for generic drugs. CMS names the drug for 370 of them, across 14 drugs with 11 or more claims each, at $57,097 in total drug cost. In 2023, CMS named 262 claims across 10 drugs.
Dr. Mostafa's Part D claims by kind of drug, 2024
- Generic386 claims80%
- Brand-name94 claims20%
Dr. Mostafa'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. Mostafa's Part D claims, 2024
- Antibiotics3%12 of 480 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: 2622024: 37041%
Drugs named by CMS: 14 in 2024, 10 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. Essam A. Mostafa takes part in Medicare
Dr. Mostafa 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. Essam A. Mostafa received $395 in industry payments from 2022 to 2025
CMS Open Payments shows 19 general payments to Dr. Mostafa from 3 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 97% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $351.
General payments to Dr. Mostafa by program year, 2022 to 2025
General payments to Dr. Mostafa by kind, 2022 to 2025
- Food and beverage$38297%
- Education$143%
Companies that paid Dr. Mostafa the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Essam A. Mostafa graduated from Cairo University School of Medicine
Dr. Mostafa graduated from Cairo University School of Medicine in 1992.
- Medical school
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Essam A. Mostafa accepts plans from 17 insurance carriers
Dr. Mostafa is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Humana
- LA Care
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Mostafa accepts, by number of carriers
- Medicare10
- PPO10
- HMO9
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Essam A. Mostafa'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Essam A. Mostafa
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. Essam A. Mostafa's NPI number?
Dr. Essam A. Mostafa's NPI number is 1316932270. It was assigned on September 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Essam A. Mostafa?
Dr. Essam A. Mostafa is a nephrologist in Fountain Valley, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Essam A. Mostafa practice?
Dr. Mostafa practices at 17150 Euclid St, Fountain Valley, CA 92708. Dr. Mostafa's primary practice is European Outpatient Surgery Center in Fountain Valley, California. Dmand AI also links Dr. Mostafa to 4 hospitals, 5 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Essam A. Mostafa's office phone number?
The practice phone on file for Dr. Mostafa is (714) 918-5184.
What is Dr. Essam A. Mostafa's medical license number?
Dr. Mostafa holds California license C55143, one of the licenses on file in 4 states.
Which states has Dr. Essam A. Mostafa been licensed in?
Dmand AI has state licenses on file for Dr. Mostafa in California (2012 to 2027), Indiana (2003 to 2013), Ohio (2004 to 2012) and Virginia (1999 to 2001).
Which hospitals is Dr. Essam A. Mostafa affiliated with?
Dr. Mostafa is affiliated with Orange Coast Medical Center. Dmand AI links Dr. Mostafa to 4 more hospitals.
What medical group is Dr. Essam A. Mostafa part of?
Dr. Mostafa is linked to Kevin Pham, MD INC. Dmand AI links Dr. Mostafa to 1 more medical group.
Does Dr. Essam A. Mostafa accept Medicare?
Yes. CMS data shows Dr. Mostafa billed Medicare for 4,854 services in 2024, and Dr. Mostafa accepts Medicare assignment.
How many Medicare patients does Dr. Essam A. Mostafa see?
CMS counts 491 Medicare patients who saw Dr. Mostafa in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
Is Dr. Essam A. Mostafa board certified?
Yes. Dr. Mostafa is board certified in nephrology by the American Board of Internal Medicine.
What services does Dr. Essam A. Mostafa bill to Medicare?
In 2024, Dr. Mostafa's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and hospital inpatient care (99223).
Where did Dr. Essam A. Mostafa go to medical school?
Dr. Mostafa graduated from Cairo University School of Medicine in 1992.
What drugs does Dr. Essam A. Mostafa prescribe most?
In 2024 Medicare Part D data, Dr. Mostafa's most prescribed drugs by claims were Furosemide, Hydralazine HCl and Prosol.
Has Dr. Essam A. Mostafa received payments from drug or device companies?
CMS Open Payments shows $395 in general payments to Dr. Mostafa from 3 companies from 2022 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Essam A. Mostafa been practicing?
Dr. Mostafa graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Essam A. Mostafa accept?
Dr. Mostafa is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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