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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PROF. ALEIDA LLANES-OBERSTEIN CNM, LM
NPI 1710941877
Advanced Practice Midwife in Brooklyn, NY

Active since April 14, 2006PECOS Enrolled
450 CLARKSON AVE, BOX 1227 SUNY DOWNSTATE MEDICAL CENTER, BROOKLYN, NY 11203(718) 270-7754(718) 270-7634 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Prof. Aleida Llanes-oberstein Cnm, Lm NPPES

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

PROF. ALEIDA LLANES-OBERSTEIN CNM, LM (NPI 1710941877) is an individual advanced practice midwife in Brooklyn, New York, licensed in New York (F000137) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710941877
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NamePROF. ALEIDA LLANES-OBERSTEINCredential: CNM, LM
Location Address450 CLARKSON AVE, BOX 1227 SUNY DOWNSTATE MEDICAL CENTERBrooklyn, NY 11203-2056
Mailing Address58 Hudson RdBellerose Village, NY 11001-4107 · (516) 437-3541 · Fax (516) 437-3542
Phone(718) 270-7754
Fax(718) 270-7634
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1710941877 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in NY · F000137
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
450 CLARKSON AVE, Brooklyn, NY 11203
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Prof. Aleida Llanes-oberstein Cnm, Lm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11203 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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 20

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

SUNY DOWNSTATE MEDICAL CENTER UHB
Obstetrics & Gynecology
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 363-2908
UNIVERSITY PHYSICIANS OF BROOKLYN
Internal Medicine (Gastroenterology)
450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203
Kings County (718) 270-1112
SNEHALATA R TOPGI MD
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 270-3295
DR. MARYAM NOORI KOLOORI M.D.
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203
Kings County (412) 737-3789
DR. VIVEK YADAV MD
Internal Medicine (Pulmonary Disease)
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 270-3302
DR. DANIEL BEEGAN MD
Family Medicine
450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203
Kings County (718) 270-4096
ELIEZER LEVITANSKY DO
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (245) 331-8718
MIGUEL ANGEL BARRIOS MD
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-4798

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 Aleida Llanes-oberstein's NPI number?

The NPI number for Aleida Llanes-oberstein is 1710941877. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Aleida Llanes-oberstein located?

Aleida Llanes-oberstein practices at 450 Clarkson Ave Box 1227 Suny Downstate Medical Center, Brooklyn, NY 11203. The listed phone number is (718) 270-7754.

What is Aleida Llanes-oberstein's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Aleida Llanes-oberstein enrolled in Medicare?

Yes. Aleida Llanes-oberstein is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Aleida Llanes-oberstein 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 41 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.