MR. GUILLERMO E FERRER MD
NPI 1659470557
Surgery in Ithaca, NY

Q: What is Guillermo Ferrer's NPI number?

The NPI number for Guillermo Ferrer is 1659470557. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Q: What is Guillermo Ferrer'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 Guillermo Ferrer was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 21, 2006PECOS EnrolledAccepts Medicare Assignment

95.21/100

CMS Quality Rating

8 BRENTWOOD DRIVE, SUITE A, ITHACA, NY 14850(607) 257-2116(607) 257-0315 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Mr. Guillermo E Ferrer Md NPPES

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

MR. GUILLERMO E FERRER MD (NPI 1659470557) is an individual surgery provider in Ithaca, New York, licensed in New York (161912) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Cayuga Medical Center At Ithaca, and is a graduate of Other (1980).

NPPES Registry Identity

NPI1659470557

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameMR. GUILLERMO E FERRERCredential: MD

Location Address8 BRENTWOOD DRIVE, SUITE AIthaca, NY 14850

Mailing Address8 Brentwood Drive, Suite AIthaca, NY 14850 · (607) 257-2116 · Fax (607) 257-0315

Phone(607) 257-2116

Fax(607) 257-0315

Sole ProprietorNo

Medical School CMSOtherGraduated 1980

Enumeration DateSeptember 21, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1659470557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in NY · 161912

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.

8 BRENTWOOD DRIVE, Ithaca, NY 14850

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Other Identifiers 3

Medicaid01073096NY

Medicare ID-Type Unspecified52665CNY

Medicare UPINE61865

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

Mr. Guillermo E Ferrer Md 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 ID2961672159

PECOS Enrollment IDI20110825000513

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 14

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, 20-29 minutes 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.

144 services93 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

141 services81 patients

Injection of chemical agent into multiple incompetent veins of leg 36471

This procedure involves injecting a special chemical into problematic veins in the leg. The chemical helps to close off these veins, rerouting blood through healthier veins. This can alleviate discomfort and improve the appearance of the treated area.

70 services22 patients

Injection, enoxaparin sodium, 10 mg J1650

Enoxaparin sodium is a blood thinner given through an injection to prevent blood clots. This 10 mg dose, administered under the skin, helps ensure smooth blood flow, reducing the risk of stroke or heart attack.

47 services12 patients

Established patient office or other outpatient visit, 30-39 minutes 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

40 services36 patients

New patient office or other outpatient visit, 45-59 minutes 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

35 services35 patients

Established patient office or other outpatient visit, 10-19 minutes 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

35 services31 patients

New patient office or other outpatient visit, 30-44 minutes 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

31 services31 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

22 services22 patients

Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475

This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.

17 services15 patients

Removal of varicose veins of arm or leg, 10-20 incisions 37765

This procedure involves removing varicose veins, which are enlarged, swollen veins, from your arm or leg. Your doctor will make 10-20 small incisions, then carefully remove the problematic veins. This can help improve blood flow and alleviate discomfort.

17 services15 patients

Chemical destruction of first incompetent vein of arm or leg using imaging guidance 36482

This procedure involves using a chemical to close off a malfunctioning vein in your arm or leg. Imaging guidance is used to accurately locate the vein. This helps improve blood flow by rerouting it through healthier veins.

13 services11 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

13 services11 patients

Varicose vein removal NAN08

Varicose vein removal is a procedure to eliminate enlarged and twisted veins, commonly found in legs. It's performed when these veins cause discomfort or skin problems. The procedure may involve laser treatment, sclerotherapy (injecting a solution to close the veins), or surgery to remove the veins. It's generally safe and helps to alleviate symptoms.

0 services259 patients

Hospital Affiliations CMS Care Compare

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

Cayuga Medical Center At Ithaca

Acute Care Hospitals · Ithaca, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330307

Location101 Dates DriveIthaca, NY 14850 · Tompkins County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14850 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

$84.93 typical visit price

range $54.87 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.57 typical visit price

range $17.54 – $136.14

Typical copayment $17.14 (range $4.38 – $34.03)

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.

95.21/100

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

Scored through an Alternative Payment Model

Quality

84.69

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

74%156 patients3/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

69%163 patients3/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

MRS. MARCIA J CONTE RPA

Physician Assistant (Surgical)

8 BRENTWOOD DRIVE, SUITE A
ITHACA, NY 14850

Tompkins County (607) 257-2116

MRS. VIOLA P MONAGHAN MD

Family Medicine

8 BRENTWOOD DRIVE, SUITE A
ITHACA, NY 14850

Tompkins County (607) 257-2116

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 Guillermo Ferrer's NPI number?

The NPI number for Guillermo Ferrer is 1659470557. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Where is Guillermo Ferrer located?

Guillermo Ferrer practices at 8 Brentwood Drive Suite A, Ithaca, NY 14850. The listed phone number is (607) 257-2116.

What is Guillermo Ferrer's specialty?

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

Is Guillermo Ferrer enrolled in Medicare?

Yes. Guillermo Ferrer 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 Guillermo Ferrer affiliated with any hospitals?

According to CMS data, Guillermo Ferrer is affiliated with Cayuga Medical Center At Ithaca.

When was this NPI record last updated?

The NPPES record for Guillermo Ferrer was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.