DR. ESSAM A MOSTAFA M.D.
NPI 1316932270
Internal Medicine - Nephrology in Fountain Valley, CA

Q: What is Essam Mostafa's NPI number?

The NPI number for Essam Mostafa is 1316932270. It was assigned to this individual provider in the NPPES registry on September 16, 2005.

Q: What is Essam Mostafa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Essam Mostafa was last updated on September 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 16, 2005PECOS EnrolledAccepts Medicare Assignment

11100 WARNER AVE STE 158, FOUNTAIN VALLEY, CA 92708(714) 486-2586(714) 432-8885 Get Directions Write a Review

NPPES record last updated: September 16, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 16, 2019, Nov 19, 2018 (2 updates tracked since 2018).

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About Dr. Essam A Mostafa M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ESSAM A MOSTAFA M.D. (NPI 1316932270) is an individual nephrology provider in Fountain Valley, California, licensed in California (C55143) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1316932270

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. ESSAM A MOSTAFACredential: M.D.

Location Address11100 WARNER AVE STE 158Fountain Valley, CA 92708-7510

Mailing Address11100 Warner Ave Ste 158Fountain Valley, CA 92708-7510 · (714) 486-2586 · Fax (714) 432-8885

Phone(714) 486-2586

Fax(714) 432-8885

Sole ProprietorNo

Medical School CMSOtherGraduated 1992

Enumeration DateSeptember 16, 2005

Last NPPES UpdateSeptember 16, 20192 updates tracked since enumeration

✔ NPI 1316932270 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · C55143

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

11100 WARNER AVE STE 158, Fountain Valley, CA 92708

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Other Identifiers 1

MedicaidC55143CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Essam A Mostafa M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052219664

PECOS Enrollment IDI20120827000560

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

2,843 services368 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

901 services145 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

386 services277 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

261 services63 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

186 services27 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

144 services58 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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