DR. BONNIE TERESA MACKOOL MD
NPI 1114999000
Dermatology in Boston, MA

Q: What is Bonnie Mackool's NPI number?

The NPI number for Bonnie Mackool is 1114999000. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Q: What is Bonnie Mackool's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Q: When was this NPI record last updated?

The NPPES record for Bonnie Mackool was last updated on November 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 February 03, 2006PECOS EnrolledAccepts Medicare Assignment

50 STANIFORD ST, SUITE 200, BOSTON, MA 02114(617) 726-2914(617) 724-2135 Get Directions Write a Review

NPPES record last updated: November 30, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Bonnie Teresa Mackool Md NPPES

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

DR. BONNIE TERESA MACKOOL MD (NPI 1114999000) is an individual dermatology provider in Boston, Massachusetts, licensed in Massachusetts (76647) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Boston University School Of Medicine (1989).

NPPES Registry Identity

NPI1114999000

Entity TypeIndividualFemale

Primary Taxonomy207N00000X

Provider Legal NameDR. BONNIE TERESA MACKOOLCredential: MD

Location Address50 STANIFORD ST, SUITE 200Boston, MA 02114-2517

Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(617) 726-2914

Fax(617) 724-2135

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 1989

Enumeration DateFebruary 3, 2006

Last NPPES UpdateNovember 30, 2012

✔ NPI 1114999000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

Licenses✔ Licensed in MA · 76647✔ Licensed in CA · G81270

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

50 STANIFORD ST, Boston, MA 02114

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Other Identifiers 5

Other729619MA · Tufts Health Plan

Medicaid3107621MA

Medicare UPINF53825

Medicare ID-Type UnspecifiedJ13548MA

OtherJ13548MA · Bcbs Ma

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Bonnie Teresa Mackool 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 ID244227148

PECOS Enrollment IDI20040430000243

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 Reassignments

Medicare enrollment records show Bonnie Mackool reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The General Hospital Corporation

0.2 mi

General Acute Care Hospital

55 FRUIT ST, BULFINCH 360
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,234 clinicians in this Medicare group

NPI 1023049236 (617) 726-2000

Massachusetts General Physicians Organization Inc

0.2 mi

Dermatology

55 FRUIT ST, BUL 2
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,360 clinicians in this Medicare group

NPI 1801874573 (617) 724-0287

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 15

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.

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.

553 services87 patients

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.

504 services365 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.

150 services117 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.

125 services101 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.

116 services106 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.

87 services79 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.

80 services67 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.

38 services29 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

32 services30 patients

Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm 11401

This procedure involves the removal of a noncancerous skin growth on your body, arms, or legs. The growth is between 0.6-1.0 cm in size. It's typically a simple process where the growth is cut away and the area is then stitched up for healing.

31 services26 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.

26 services26 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.

21 services21 patients

Punch biopsy, each additional skin growth 11105

A punch biopsy is a procedure where a small, circular tool removes a sample of your skin growth. This allows for testing to identify the nature of the growth. If there are multiple growths, each additional one may also need a biopsy.

20 services17 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less 12031

This procedure involves the repair of a wound that is located on the scalp, underarms, trunk, arms, or legs and is 2.5 cm or less in size. The repair is intermediate, meaning it's more complex than a simple closure, but not as extensive as a complex repair.

18 services18 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220110

Location75 Francis StreetBoston, MA 02115 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

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.

MARIA JOSE LOPEZ VELASQUEZ MD

Ophthalmology

50 STANIFORD ST
BOSTON, MA 02114

Suffolk County (617) 367-4800

SEAN M BURNS M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

50 STANIFORD ST, SUITE 340
BOSTON, MA 02114

Suffolk County (617) 726-8722

DR. ALBERT S YEUNG MD

Psychiatry & Neurology (Psychiatry)

50 STANIFORD ST, SUITE 401 S50 401
BOSTON, MA 02114

Suffolk County (617) 726-5138

DR. MARA LORENZI MD

Pathology (Clinical Pathology/Laboratory Medicine)

50 STANIFORD ST, 3RD FLOOR S50 3 DIABETES UNIT
BOSTON, MA 02114

Suffolk County (617) 726-8722

MARK D KIRSTEIN OD

Optometrist

50 STANIFORD ST, SUITE 600
BOSTON, MA 02114

Suffolk County (617) 367-4800

JASON S ROTHMAN MD

Ophthalmology

50 STANIFORD ST, SUITE 600
BOSTON, MA 02114

Suffolk County (617) 367-4800

AP DENTAL STANIFORD PLLC

Clinic/Center (Dental)

50 STANIFORD ST
BOSTON, MA 02114

Suffolk County (978) 223-3742

DR. JOSEPH C KVEDAR MD

Dermatology

50 STANIFORD ST, SUITE 200
BOSTON, MA 02114

Suffolk County (617) 726-2914

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 Bonnie Mackool's NPI number?

The NPI number for Bonnie Mackool is 1114999000. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Where is Bonnie Mackool located?

Bonnie Mackool practices at 50 Staniford St Suite 200, Boston, MA 02114. The listed phone number is (617) 726-2914.

What is Bonnie Mackool's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Bonnie Mackool enrolled in Medicare?

Yes. Bonnie Mackool 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.

Which organizations bill Medicare for Bonnie Mackool's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bonnie Mackool reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). Each 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 Bonnie Mackool's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bonnie Mackool accept?

Health plans from Anthem Blue Cross and Blue Shield list Bonnie Mackool as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Bonnie Mackool affiliated with any hospitals?

According to CMS data, Bonnie Mackool is affiliated with Massachusetts General Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Bonnie Mackool was last updated on November 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.