DR. N PATRICK HENNESSEY M.D.
NPI 1285694661
Specialist in New York, NY

Q: What is N Hennessey's NPI number?

The NPI number for N Hennessey is 1285694661. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Q: What is N Hennessey's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for N Hennessey was last updated on September 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 March 28, 2006PECOS EnrolledAccepts Medicare Assignment

98.3/100

CMS Quality Rating

161 MADISON AVE RM 6SE, NEW YORK, NY 10016(212) 677-5555(212) 677-5558 Get Directions Write a Review

NPPES record last updated: September 9, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 9, 2021, Feb 9, 2016 (2 updates tracked since 2016).

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About Dr. N Patrick Hennessey M.d. NPPES

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

DR. N PATRICK HENNESSEY M.D. (NPI 1285694661) is an individual specialist in New York, New York, licensed in New York (133471) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Michigan State University College Of Human Medicine (1975).

NPPES Registry Identity

NPI1285694661

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. N PATRICK HENNESSEYCredential: M.D.

Location Address161 MADISON AVE RM 6SENew York, NY 10016-5454

Mailing Address161 Madison Ave Rm 6seNew York, NY 10016-5454 · (212) 677-5555 · Fax (212) 677-5558

Phone(212) 677-5555

Fax(212) 677-5558

Sole ProprietorYes

Medical School CMSMichigan State University College Of Human MedicineGraduated 1975

Enumeration DateMarch 28, 2006

Last NPPES UpdateSeptember 9, 20212 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2021

✔ NPI 1285694661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NY · 133471

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

161 MADISON AVE RM 6SE, New York, NY 10016

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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 and accepts Medicare assignment

Dr. N Patrick Hennessey 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 ID8628002110

PECOS Enrollment IDI20050923000601

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 19

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.

787 services523 patients

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

562 services227 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 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.

501 services346 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

459 services339 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

433 services293 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

255 services226 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 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.

85 services85 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

78 services65 patients

Simple or single drainage of skin abscess 10060

A simple or single drainage of skin abscess is a procedure to remove pus from a skin infection. A small cut is made on the abscess, the pus is drained out, and the area is cleaned. This helps to reduce pain, speed up recovery, and prevent the spread of infection.

70 services70 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

50 services40 patients

Complicated or multiple drainage of skin abscess 10061

This procedure involves draining one or more skin abscesses, which are pockets of pus that form due to an infection. The process includes making a small cut on the abscess, removing the pus, and cleaning the area to promote healing and prevent further infection.

44 services38 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 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.

44 services37 patients

Destruction of skin growth, 15 or more growths 17111

"Destruction of skin growth" refers to a procedure where unwanted skin growths, such as warts or moles, are removed. In this case, 15 or more growths are treated. Techniques may include freezing, burning, or laser therapy. It's a safe, quick process to improve skin health.

36 services29 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

31 services20 patients

Injection into skin growth, 1-7 growths 11900

This procedure involves injecting medication into 1-7 skin growths. The medication helps to reduce the size of the growths or completely eliminate them. It's a simple, quick, and usually painless process performed by a medical professional.

27 services19 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

26 services26 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

18 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 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.

16 services16 patients

Punch biopsy, first skin growth 11104

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY

4/5 CMS rating

OwnershipGovernment - State

CMS Certification Number330393

LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County

Emergency services Birthing friendly

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.

98.3/100

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

Individually scored

Promoting Interoperability

Improvement Activities

Reported Quality Measures

Provide Patients Electronic Access to Their Health Information

100%548 patients5/55-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. ALYSSA GOPMAN PA

Physician Assistant (Medical)

161 MADISON AVE RM 6SE
NEW YORK, NY 10016

New York County (212) 677-5555

HENNESSEY DERMATOLOGY LLC

Specialist

161 MADISON AVE RM 6SE
NEW YORK, NY 10016

New York County (212) 677-5555

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 N Hennessey's NPI number?

The NPI number for N Hennessey is 1285694661. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Where is N Hennessey located?

N Hennessey practices at 161 Madison Ave Rm 6se, New York, NY 10016. The listed phone number is (212) 677-5555.

What is N Hennessey's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is N Hennessey enrolled in Medicare?

Yes. N Hennessey 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 N Hennessey affiliated with any hospitals?

According to CMS data, N Hennessey is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for N Hennessey was last updated on September 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.