Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JILL REBECCA SLATER-FREEDBERG M.D.
NPI 1255389425
Dermatology in Lexington, MA

Active since May 04, 2006PECOS EnrolledAccepts Medicare Assignment
57 BEDFORD STREET, LEXINGTON WALTHAM DERMATOLOGY, LEXINGTON, MA 02420(781) 862-2322 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Jill Rebecca Slater-freedberg M.d. NPPES

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

JILL REBECCA SLATER-FREEDBERG M.D. (NPI 1255389425) is an individual dermatology provider in Lexington, Massachusetts, licensed in Massachusetts (77571) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1988).

NPPES Registry Identity

NPI1255389425
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameJILL REBECCA SLATER-FREEDBERGCredential: M.D.
Location Address57 BEDFORD STREET, LEXINGTON WALTHAM DERMATOLOGYLexington, MA 02420-4500
Mailing Address223 Glezen LnWayland, MA 01778-1520 · (781) 862-2322
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1988
Enumeration DateMay 4, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1255389425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in MA · 77571
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.
57 BEDFORD STREET, Lexington, MA 02420

Accepted Insurance

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

Jill Rebecca Slater-freedberg 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 ID143269464
PECOS Enrollment IDI20050427000131
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 6

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.
481 services368 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.
414 services83 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.
164 services130 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.
58 services54 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.
44 services35 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.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02420 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 6

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

Dentist (General Practice)
57 BEDFORD STREET, SUITE 220
LEXINGTON, MA 02420
Speech-Language Pathologist
57 BEDFORD STREET, SUITE 203
LEXINGTON, MA 02420
Dentist (General Practice)
57 BEDFORD STREET, SUITE 205 ICON DPMG LLC DBA ICON DENTAL
LEXINGTON, MA 02420
Internal Medicine
57 BEDFORD STREET, SUITE 130
LEXINGTON, MA 02420
Dermatology
57 BEDFORD STREET, STE 211
LEXINGTON, MA 02420
Nurse Practitioner (Family)
57 BEDFORD STREET, SUITE 130
LEXINGTON, MA 02420

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 Jill Rebecca Slater-freedberg's NPI number?

The NPI number for Jill Rebecca Slater-freedberg is 1255389425. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Jill Rebecca Slater-freedberg located?

Jill Rebecca Slater-freedberg practices at 57 Bedford Street Lexington Waltham Dermatology, Lexington, MA 02420. The listed phone number is (781) 862-2322.

What is Jill Rebecca Slater-freedberg's specialty?

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

Is Jill Rebecca Slater-freedberg enrolled in Medicare?

Yes. Jill Rebecca Slater-freedberg 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.

What insurance does Jill Rebecca Slater-freedberg accept?

Health plans from Anthem Blue Cross and Blue Shield list Jill Rebecca Slater-freedberg 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.

When was this NPI record last updated?

The NPPES record for Jill Rebecca Slater-freedberg was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.