1. Home
  2. Directory
  3. California
  4. San Diego
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MOHAMED BASSYOUNYABOUELEININ ELNAGGAR MD
NPI 1801317888
Internal Medicine in San Diego, CA

Active since June 29, 2017PECOS Enrolled
84.47/100
CMS Quality Rating
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Jul 21, 2022, Jun 21, 2021 and 1 more (4 updates tracked since 2017).

About Mohamed Bassyounyaboueleinin Elnaggar Md NPPES

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

MOHAMED BASSYOUNYABOUELEININ ELNAGGAR MD (NPI 1801317888) is an individual internal medicine provider in San Diego, California, licensed in California (210209) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1801317888
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMOHAMED BASSYOUNYABOUELEININ ELNAGGARCredential: MD
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273
Phone(800) 926-8273
Fax(888) 539-8781
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 29, 2017
Last NPPES UpdateJuly 13, 20264 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1801317888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · 210209✔ Licensed in CT · 67275
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X · License 210209 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
200 W ARBOR DR, San Diego, CA 92103
Open in Google Maps ↗

Secondary Practice Locations 6

Location 11155 Mill St # W11Reno, NV 89502-1576 · Phone (775) 785-7104
Location 24250 1st AveSan Diego, CA 92103-2026 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 39300 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 46655 Alvarado RdSan Diego, CA 92120-5208 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 59350 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 680 Seymour StreetHartford, CT 06102-5037 · Phone (860) 972-0549 · Fax (860) 545-5221

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

Mohamed Bassyounyaboueleinin Elnaggar Md 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 ID8022376342
PECOS Enrollment IDI20210621001105
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

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
372 services360 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.28
Promoting Interoperability100
Improvement Activities40
Cost59.59

Other Providers at the Same Location NPPES 20

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

DR. RAMIN MOTARJEMI M.D.
Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (858) 249-2500
DR. KYLE PALMER EDMONDS M.D., FAAHPM
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
SHAWN RAVEENTH VEDAMANI MD
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DALE MICHAEL TRUJILLO NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
KAYLEE PETERSEN ARNP
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
IRENE NEVAREZ NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
WILLIAM JAMES MOSS M.D.
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (508) 395-4189
JAMES HAMILTON JR. PA-C
Physician Assistant (Surgical)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (858) 657-8200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mohamed Elnaggar's NPI number?

The NPI number for Mohamed Elnaggar is 1801317888. It was assigned to this individual provider in the NPPES registry on June 29, 2017.

Where is Mohamed Elnaggar located?

Mohamed Elnaggar practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Mohamed Elnaggar's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mohamed Elnaggar enrolled in Medicare?

Yes. Mohamed Elnaggar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mohamed Elnaggar was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.