PROF. BLAIR J MAEROWITZ PA-C
NPI 1235107970
Physician Assistant in Amherst, MA

Q: What is Blair Maerowitz's NPI number?

The NPI number for Blair Maerowitz is 1235107970. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Q: What is Blair Maerowitz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Blair Maerowitz was last updated on March 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 09, 2006PECOS EnrolledAccepts Medicare Assignment

56.96/100

CMS Quality Rating

29 COTTAGE STREET, B (PIONEER VALLEY DERMATOLOGY), AMHERST, MA 01002(413) 406-3250(413) 549-7402 Get Directions Write a Review

NPPES record last updated: March 15, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Prof. Blair J Maerowitz Pa-c NPPES

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

PROF. BLAIR J MAEROWITZ PA-C (NPI 1235107970) is an individual physician assistant in Amherst, Massachusetts, licensed in Massachusetts (1521) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of Duke University School Of Medicine (2002).

NPPES Registry Identity

NPI1235107970

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NamePROF. BLAIR J MAEROWITZCredential: PA-C

Location Address29 COTTAGE STREET, B (PIONEER VALLEY DERMATOLOGY)Amherst, MA 01002-1206

Mailing Address29b Cottage StAmherst, MA 01002-1206 · (508) 754-3823 · Fax (508) 753-0151

Phone(413) 406-3250

Fax(413) 549-7402

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 2002

Enumeration DateMarch 9, 2006

Last NPPES UpdateMarch 15, 2021

NPPES CertifiedMarch 15, 2021

✔ NPI 1235107970 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in MA · 1521

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

29 COTTAGE STREET, Amherst, MA 01002

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Other Identifiers 3

Medicaid9700340MA

Other114411681MA · Group Npi

Other290001521MA01MA · Anthem

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

Prof. Blair J Maerowitz Pa-c 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 ID2769424993

PECOS Enrollment IDI20071001000825

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 21

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.

1,200 services1,006 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.

1,194 services292 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.

549 services462 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.

354 services50 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.

242 services223 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.

236 services214 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.

190 services173 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.

115 services115 patients

Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm 17261

This procedure involves the removal of a cancerous skin growth on the trunk, arms, or legs that is between 0.6 and 1.0 cm in size. The goal is to eliminate the cancerous cells and prevent further spread. The method of destruction may vary, including methods such as surgery, laser, or cryotherapy.

62 services50 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.

56 services28 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.

39 services33 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.

34 services34 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.

28 services27 patients

Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm 17271

This procedure involves the removal of a small cancerous skin growth, between 0.6 to 1.0 cm, located on the scalp, neck, hands, or feet. The aim is to eliminate the cancerous cells and prevent their spread. The treatment is done in a safe, controlled environment.

19 services13 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.

19 services15 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.

18 services14 patients

Destruction of cancer skin growth of trunk, arms, or legs, 0.5 cm or less 17260

This procedure involves removing a small cancerous skin growth (0.5 cm or less) located on the trunk, arms, or legs. The growth is destroyed using techniques such as surgery, lasers, or radiation, aiding in the prevention of cancer spread.

17 services13 patients

Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 17262

This procedure involves removing a cancerous skin growth on the trunk, arms, or legs that is between 1.1 and 2.0 cm in size. The growth is destroyed using methods like surgery, laser, or freezing, aiming to eliminate cancer and prevent its spread.

17 services17 patients

Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm 17281

This procedure involves the removal of cancerous skin growths on the face, ears, eyelids, nose, lips, or mouth that are between 0.6-1.0 cm in size. The goal is to eliminate cancer cells, preventing further spread and promoting health.

16 services13 patients

Biopsy of ear 69100

A biopsy of the ear is a medical procedure where a small sample of tissue is taken from your ear for examination. This helps doctors diagnose any abnormalities or diseases. It's a simple process, usually done under local anesthesia, and has minimal risks.

13 services12 patients

All potassium hydroxide (koh) preparations Q0112

Potassium hydroxide (KOH) preparations are used in medical testing to identify fungal infections. In this procedure, a sample (like skin, hair, or nail) is collected and treated with KOH solution. This destroys non-fungal cells, making it easier to spot fungi under a microscope.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Cooley Dickinson Hospital Inc,the

Acute Care Hospitals · Northampton, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220015

Location30 Locust StreetNorthampton, MA 01060 · Hampshire County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01002 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

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.

56.96/100

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

Individually scored

Quality

76.3

Promoting Interoperability

Improvement Activities

Reported Quality Measures

Controlling High Blood Pressure

2%130 patients1/55-star benchmark: 98%

Documentation of Current Medications in the Medical Record

3%3,117 patients1/55-star benchmark: 100%

Melanoma: Continuity of Care - Recall System

100%146 patients

One-Time Screening for Hepatitis C Virus (HCV) for all Patients

1%664 patients1/55-star benchmark: 98%

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

0%2,388 patients1/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

0%2,593 patients1/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 79% · 519 patients

Patients screened: 79% · 519 patients

100%20 patients5/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Patients combinedPopulations: 70% · 519 patients

Patients screened: 81% · 519 patients

35%103 patients

Provide Patients Electronic Access to Their Health Information

40%2,633 patients1/55-star benchmark: 100%

Psoriasis: Clinical Response to Systemic Medications

39%28 patients

Tobacco Use and Help with Quitting Among Adolescents

79%98 patients1/55-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.

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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 Blair Maerowitz's NPI number?

The NPI number for Blair Maerowitz is 1235107970. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is Blair Maerowitz located?

Blair Maerowitz practices at 29 Cottage Street B (pioneer Valley Dermatology), Amherst, MA 01002. The listed phone number is (413) 406-3250.

What is Blair Maerowitz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Blair Maerowitz enrolled in Medicare?

Yes. Blair Maerowitz 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 Blair Maerowitz affiliated with any hospitals?

According to CMS data, Blair Maerowitz is affiliated with Cooley Dickinson Hospital Inc,the.

When was this NPI record last updated?

The NPPES record for Blair Maerowitz was last updated on March 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.