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DR. KATHERINE LANTSMAN M.D.
NPI 1720052475
Internal Medicine in Boston, MA

Active since February 16, 2006Opted out of Medicare · through Oct 1, 2026
20 PARK PLZ, 473, BOSTON, MA 02116(617) 948-2577(617) 344-0442 Get Directions Write a Review

NPPES record last updated: January 11, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Katherine Lantsman M.d. NPPES

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

DR. KATHERINE LANTSMAN M.D. (NPI 1720052475) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (237724) and active in the NPI registry since February 2006. She has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1720052475
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KATHERINE LANTSMANCredential: M.D.
Location Address20 PARK PLZ, 473Boston, MA 02116-4303
Mailing Address12 Billings LnJamaica Plain, MA 02130-2406 · (917) 859-2343
Phone(617) 948-2577
Fax(617) 344-0442
Sole ProprietorNo
Enumeration DateFebruary 16, 2006
Last NPPES UpdateJanuary 11, 2013
✔ NPI 1720052475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 237724
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
20 PARK PLZ, Boston, MA 02116
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Katherine Lantsman M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2018 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2018
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02116 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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 7

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

JAMES KATZ M.D.
Preventive Medicine (Occupational Medicine)
20 PARK PLZ, SUITE 20
BOSTON, MA 02116
Suffolk County (978) 888-7999
DR. SEAN F. KELLY PH.D
Psychologist (Clinical)
20 PARK PLZ, SUITE 452
BOSTON, MA 02116
Suffolk County (617) 792-7479
CURTIN HOME CARE
In Home Supportive Care
20 PARK PLZ
BOSTON, MA 02116
Suffolk County (617) 948-2551
AGE MANAGEMENT BOSTON
Clinic/Center (Medical Specialty)
20 PARK PLZ, SUITE 804
BOSTON, MA 02116
Suffolk County (978) 888-7999
DR. JOHN D HURLEY
Psychologist (Cognitive & Behavioral)
20 PARK PLZ, SUITE 608
BOSTON, MA 02116
Suffolk County (617) 335-5475
EDWIN C HOLSTEIN M.D.
Preventive Medicine (Occupational Medicine)
20 PARK PLZ, SUITE 628
BOSTON, MA 02116
Suffolk County (617) 357-4901
MR. CHARLES G MARTEL L.I.C.S.W.
Social Worker (Clinical)
20 PARK PLZ, STE 604
BOSTON, MA 02116
Suffolk County (617) 350-7800

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 Katherine Lantsman's NPI number?

The NPI number for Katherine Lantsman is 1720052475. It was assigned to this individual provider in the NPPES registry on February 16, 2006.

Where is Katherine Lantsman located?

Katherine Lantsman practices at 20 Park Plz 473, Boston, MA 02116. The listed phone number is (617) 948-2577.

What is Katherine Lantsman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Katherine Lantsman enrolled in Medicare?

No. Katherine Lantsman has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Katherine Lantsman was last updated on January 11, 2013. 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.