DR. LEIAN JOSEPH M.D.
NPI 1588026249
Internal Medicine - Nephrology in New York, NY

Active since March 22, 2016PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
550 1ST AVE, NEW YORK, NY 10016(212) 263-0705(212) 263-0704 Get Directions Write a Review

NPPES record last updated: May 25, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 25, 2023, Sep 9, 2021, Mar 22, 2016 (3 updates tracked since 2016).

About Dr. Leian Joseph M.d. NPPES

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

DR. LEIAN JOSEPH M.D. (NPI 1588026249) is an individual nephrology provider in New York, New York, licensed in New York (299722) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Willowbrook Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1588026249
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. LEIAN JOSEPHCredential: M.D.
Location Address550 1ST AVENew York, NY 10016-6402
Mailing Address550 1st AveNew York, NY 10016-6402 · (212) 263-0705 · Fax (212) 263-0704
Fax(212) 263-0704
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 22, 2016
Last NPPES UpdateMay 25, 20233 updates tracked since enumeration
NPPES CertifiedMay 25, 2023
✔ NPI 1588026249 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 NY · 299722
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.
550 1ST AVE, New York, NY 10016

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. Leian Joseph 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 ID9638412034
PECOS Enrollment IDI20241030001279
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

3

Medicare enrollment records show Leian Joseph reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
Ophthalmology
6550 FANNIN ST, SUITE 447
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,407 clinicians in this Medicare group
Otolaryngology
7550 GREENBRIAR DR STE 600
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 1,579 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.
110 services43 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

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.

Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
Surgery
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016

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 Leian Joseph's NPI number?

The NPI number for Leian Joseph is 1588026249. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Leian Joseph located?

Leian Joseph practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-0705.

What is Leian Joseph's specialty?

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

Is Leian Joseph enrolled in Medicare?

Yes. Leian Joseph 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 Leian Joseph's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leian Joseph reassigns Medicare benefits to 3 organizations: New York University (Boynton Beach, FL), Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). 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 Leian Joseph's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Leian Joseph affiliated with any hospitals?

According to CMS data, Leian Joseph is affiliated with Houston Methodist Willowbrook Hospital.

When was this NPI record last updated?

The NPPES record for Leian Joseph was last updated on May 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.