DR. LEILA HOSSEINIAN M.D.
NPI 1245465566
Anesthesiology - Critical Care Medicine in Cleveland, OH

Active since May 17, 2009PECOS EnrolledAccepts Medicare Assignment
9500 EUCLID AVE, CLEVELAND, OH 44195(216) 445-1673 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2026, Apr 15, 2021 (2 updates tracked since 2021).

About Dr. Leila Hosseinian M.d. NPPES

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

DR. LEILA HOSSEINIAN M.D. (NPI 1245465566) is an individual critical care medicine provider in Cleveland, Ohio, licensed in Ohio (255478) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Main Line Hospital Lankenau, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1245465566
Entity TypeIndividualFemale
Primary Taxonomy207LC0200X
Provider Legal NameDR. LEILA HOSSEINIANCredential: M.D.
Location Address9500 EUCLID AVECleveland, OH 44195-0001
Mailing Address9500 Euclid AveCleveland, OH 44195-0001 · (216) 445-1673
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateMay 17, 2009
Last NPPES UpdateAugust 12, 20262 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1245465566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License✔ Licensed in OH · 255478
Definition
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 255478 (OH), 036121063 (IL)
9500 EUCLID AVE, Cleveland, OH 44195

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Leila Hosseinian 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 ID5193840569
PECOS Enrollment IDI20210615001283
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Leila Hosseinian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
3803 WEST CHESTER PIKE, H BLDG SUITE 160
Newtown Square, PA 19073
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,638 clinicians in this Medicare group
Anesthesiology
100 E LANCASTER AVE
Wynnewood, PA 19096
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 489 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

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.
370 services121 patients
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.
164 services86 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Main Line Hospital Lankenau

Acute Care Hospitals · Wynnewood, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390195
Location100 Lancaster AveWynnewood, PA 19096 · Montgomery County
Emergency services Birthing friendly

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.

Dietitian, Registered
9500 EUCLID AVE, M17
CLEVELAND, OH 44195
Urology (Urogynecology and Reconstructive Pelvic Surgery)
9500 EUCLID AVE, Q10-1
CLEVELAND, OH 44195
Surgery
9500 EUCLID AVE
CLEVELAND, OH 44195
Nurse Practitioner
9500 EUCLID AVE
CLEVELAND, OH 44195
Nurse Anesthetist, Certified Registered
9500 EUCLID AVE
CLEVELAND, OH 44195
Nurse Practitioner (Acute Care)
9500 EUCLID AVE, SUITE RC25
CLEVELAND, OH 44195
Nurse Practitioner (Critical Care Medicine)
9500 EUCLID AVE, G58
CLEVELAND, OH 44195
Surgery
9500 EUCLID AVE
CLEVELAND, OH 44195

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 Leila Hosseinian's NPI number?

The NPI number for Leila Hosseinian is 1245465566. It was assigned to this individual provider in the NPPES registry on May 17, 2009.

Where is Leila Hosseinian located?

Leila Hosseinian practices at 9500 Euclid Ave, Cleveland, OH 44195. The listed phone number is (216) 445-1673.

What is Leila Hosseinian's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

Is Leila Hosseinian enrolled in Medicare?

Yes. Leila Hosseinian 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.

Which organizations bill Medicare for Leila Hosseinian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leila Hosseinian reassigns Medicare benefits to 2 organizations: Main Line Healthcare (Newtown Square, PA) and United Anesthesia Services PC (Wynnewood, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leila Hosseinian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Leila Hosseinian affiliated with any hospitals?

According to CMS data, Leila Hosseinian is affiliated with Main Line Hospital Lankenau.

When was this NPI record last updated?

The NPPES record for Leila Hosseinian was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.