DR. WILLIAM ALEX JAKOBLEFF JR. MD
NPI 1346469251
Surgery in Yonkers, NY

Q: What is William Jakobleff's NPI number?

The NPI number for William Jakobleff is 1346469251. It was assigned to this individual provider in the NPPES registry on April 25, 2007.

Q: What is William Jakobleff's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for William Jakobleff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since April 25, 2007PECOS Enrolled

100/100

CMS Quality Rating

272 HELENA AVE, YONKERS, NY 10710(914) 779-3529 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. William Alex Jakobleff Jr. Md NPPES

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

DR. WILLIAM ALEX JAKOBLEFF JR. MD (NPI 1346469251) is an individual surgery provider in Yonkers, New York, licensed in New York (236678-1) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1346469251

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. WILLIAM ALEX JAKOBLEFF JR.Credential: MD

Location Address272 HELENA AVEYonkers, NY 10710-2117

Mailing Address272 Helena AveYonkers, NY 10710-2117 · (914) 779-3529

Phone(914) 779-3529

Sole ProprietorYes

Medical School CMSOtherGraduated 2000

Enumeration DateApril 25, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1346469251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in NY · 236678-1

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

272 HELENA AVE, Yonkers, NY 10710

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Alex Jakobleff Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID941325583

PECOS Enrollment IDI20100920000340

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 Reassignment

Medicare enrollment records show William Jakobleff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Montefiore Medical Center

6.6 mi

Anesthesiology

111 E 210TH ST
Bronx, NY 10467

Reassigned Medicare billing, New York enrollment
5,251 clinicians in this Medicare group

NPI 1063525152 (914) 378-6021

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 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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

28 services26 patients

Coronary artery bypass using artery graft, 1 graft 33533

A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.

18 services18 patients

Harvest of vein using an endoscope 33508

Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.

17 services17 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.

15 services15 patients

Coronary artery bypass using vein or artery graft, 2 grafts 33518

A coronary artery bypass with 2 grafts is a surgery to improve blood flow to your heart. A surgeon takes a healthy vein or artery from your body and attaches it to the blocked coronary artery. This creates a new path for blood to flow, bypassing the blockage.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330059

Location111 East 210th StreetBronx, NY 10467 · Bronx County

Emergency services Birthing friendly

Nyack Hospital

Acute Care Hospitals · Nyack, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330104

Location160 North Midland AvenueNyack, NY 10960 · Rockland County

Birthing friendly

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330304

Location41 East Post R0adWhite Plains, NY 10601 · Westchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10710 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.

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

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 William Jakobleff's NPI number?

The NPI number for William Jakobleff is 1346469251. It was assigned to this individual provider in the NPPES registry on April 25, 2007.

Where is William Jakobleff located?

William Jakobleff practices at 272 Helena Ave, Yonkers, NY 10710. The listed phone number is (914) 779-3529.

What is William Jakobleff's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is William Jakobleff enrolled in Medicare?

Yes. William Jakobleff is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Jakobleff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Jakobleff reassigns Medicare benefits to Montefiore Medical Center (Bronx, NY). The 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 William Jakobleff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Jakobleff affiliated with any hospitals?

According to CMS data, William Jakobleff is affiliated with Montefiore Medical Center, Nyack Hospital and White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for William Jakobleff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.