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ALEXANDER BLAIR
NPI 1811342140
Internal Medicine - Nephrology in New York, NY

Active since April 23, 2016PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
222 E 41ST ST FL 20, NEW YORK, NY 10017(212) 263-0705(212) 263-0704 Get Directions Write a Review

NPPES record last updated: April 3, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 3, 2023, Feb 13, 2023, Nov 21, 2022 (3 updates tracked since 2022).

About Alexander Blair NPPES

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

ALEXANDER BLAIR (NPI 1811342140) is an individual nephrology provider in New York, New York, licensed in New York (309900) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Harvard Medical School (2016).

NPPES Registry Identity

NPI1811342140
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameALEXANDER BLAIR
Location Address222 E 41ST ST FL 20New York, NY 10017-6739
Mailing Address222 E 41st StNew York, NY 10017-6739 · (212) 263-0705 · Fax (212) 263-0704
Phone(212) 263-0705
Fax(212) 263-0704
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2016
Enumeration DateApril 23, 2016
Last NPPES UpdateApril 3, 20233 updates tracked since enumeration
NPPES CertifiedApril 3, 2023
✔ NPI 1811342140 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 · 309900
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.
222 E 41ST ST FL 20, New York, NY 10017
Open in Google Maps ↗

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

Alexander Blair 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 ID1254604556
PECOS Enrollment IDI20220510002189
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 5

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.
117 services48 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
59 services44 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.
37 services30 patients
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.
19 services19 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10017 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 6

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

NISHA M PATEL DO
Internal Medicine (Infectious Disease)
222 E 41ST ST FL 20
NEW YORK, NY 10017
New York County (646) 501-9831
CHRISTINA MAI KAUL M.D.
Internal Medicine (Infectious Disease)
222 E 41ST ST FL 20
NEW YORK, NY 10017
New York County (646) 501-9831
MADELINE ALEXANDRA DILORENZO MD
Internal Medicine (Infectious Disease)
222 E 41ST ST FL 20
NEW YORK, NY 10017
New York County (646) 501-9831
WESLEY ROGERS MD
Internal Medicine (Infectious Disease)
222 E 41ST ST FL 20
NEW YORK, NY 10017
New York County (646) 501-9831
DAVID M CHARYTAN MD
Internal Medicine (Nephrology)
222 E 41ST ST FL 20
NEW YORK, NY 10017
New York County (212) 263-0705
DR. DOROTHY KNUTSEN M.D.
Internal Medicine (Infectious Disease)
222 E 41ST ST FL 20
NEW YORK, NY 10017
New York County (212) 375-2940

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 Alexander Blair's NPI number?

The NPI number for Alexander Blair is 1811342140. It was assigned to this individual provider in the NPPES registry on April 23, 2016.

Where is Alexander Blair located?

Alexander Blair practices at 222 E 41st St Fl 20, New York, NY 10017. The listed phone number is (212) 263-0705.

What is Alexander Blair's specialty?

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

Is Alexander Blair enrolled in Medicare?

Yes. Alexander Blair 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.

Is Alexander Blair affiliated with any hospitals?

According to CMS data, Alexander Blair is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Alexander Blair was last updated on April 3, 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.