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KATHARINE AMES NICHOLSON M.D.
NPI 1033343256
Psychiatry & Neurology - Neurology in Boston, MA

Active since May 04, 2009PECOS Enrolled
165 CAMBRIDGE ST STE 600, NCRI, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 726-4281 Get Directions Write a Review

NPPES record last updated: August 18, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katharine Ames Nicholson M.d. NPPES

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

KATHARINE AMES NICHOLSON M.D. (NPI 1033343256) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (254140) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033343256
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameKATHARINE AMES NICHOLSONCredential: M.D.
Location Address165 CAMBRIDGE ST STE 600, NCRI, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114-2781
Mailing Address165 Cambridge St Ste 600, Ncri, Massachusetts General HospitalBoston, MA 02114-2781
Phone(617) 726-4281
Sole ProprietorNo
Enumeration DateMay 4, 2009
Last NPPES UpdateAugust 18, 2014
✔ NPI 1033343256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in MA · 254140
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
165 CAMBRIDGE ST STE 600, Boston, MA 02114
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katharine Ames Nicholson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Katharine Nicholson 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.

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
$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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oropharyngeal suction catheter, each A4628
DME-Other DME · category DE000N
1 supplier12 claims48 services$3.62 avg. paid by Medicare
Tubing, used with suction pump, each A7002
DME-Other DME · category DE000N
1 supplier12 claims24 services$3.50 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
4 suppliers71 claims71 services$914.33 avg. paid by Medicare
Cough stimulating device, alternating positive and negative airway pressure E0482
DME-Other DME · category DE000N
4 suppliers27 claims27 services$251.16 avg. paid by Medicare
Respiratory suction pump, home model, portable or stationary, electric E0600
DME-Other DME · category DE000N
3 suppliers34 claims34 services$34.96 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Katharine Nicholson's NPI number?

The NPI number for Katharine Nicholson is 1033343256. It was assigned to this individual provider in the NPPES registry on May 4, 2009.

Where is Katharine Nicholson located?

Katharine Nicholson practices at 165 Cambridge St Ste 600 Ncri, Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-4281.

What is Katharine Nicholson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Katharine Nicholson enrolled in Medicare?

Yes. Katharine Nicholson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katharine Nicholson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Nicholson 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 Katharine Nicholson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katharine Nicholson was last updated on August 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.