DR. RONALD M KATZ M.D.
NPI 1508834011
Internal Medicine in Brookline, MA

Active since March 09, 2006PECOS EnrolledAccepts Medicare Assignment
33 POND AVE, B109, BROOKLINE, MA 02445(617) 739-7061(617) 739-7062 Get Directions Write a Review

NPPES record last updated: October 4, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ronald M Katz M.d. NPPES

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

DR. RONALD M KATZ M.D. (NPI 1508834011) is an individual internal medicine provider in Brookline, Massachusetts, licensed in Massachusetts (58140) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1985).

NPPES Registry Identity

NPI1508834011
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RONALD M KATZCredential: M.D.
Location Address33 POND AVE, B109Brookline, MA 02445-7163
Mailing Address33 Pond Ave, B109Brookline, MA 02445-7163 · (617) 739-7061 · Fax (617) 739-7062
Fax(617) 739-7062
Sole ProprietorYes
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1985
Enumeration DateMarch 9, 2006
Last NPPES UpdateOctober 4, 2007
✔ NPI 1508834011 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 · 58140
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.
33 POND AVE, Brookline, MA 02445

Other Identifiers 1

Medicare UPINB75048MA

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. Ronald M Katz 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 ID6608835814
PECOS Enrollment IDI20041005000024
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 Reassignment

Medicare enrollment records show Ronald Katz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Internal Medicine
33 POND AVE, SUITE B109
Brookline, MA 02445
  • Reassigned Medicare billing, Massachusetts enrollment
  • 12 clinicians in this Medicare group

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 5

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 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.
83 services67 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.
70 services52 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
29 services29 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
27 services27 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
26 services25 patients

Hospital Affiliations CMS Care Compare 5

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

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

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Martha's Vineyard Hospital Inc

Critical Access Hospitals · Oak Bluffs, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number221300
LocationOne Hospital Road, First Fl, Wing 5, PO Box 1477Oak Bluffs, MA 02557 · Dukes County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02445 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 13

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

Student in an Organized Health Care Education/Training Program
33 POND AVE, UNIT 1013
BROOKLINE, MA 02445
Physical Therapist (Sports)
33 POND AVE, SUITE 107B
BROOKLINE, MA 02445
Student in an Organized Health Care Education/Training Program
33 POND AVE, APT 1101
BROOKLINE, MA 02445
Durable Medical Equipment & Medical Supplies (Customized Equipment)
33 POND AVE, SUITE 107B
BROOKLINE, MA 02445
Obstetrics & Gynecology (Gynecology)
33 POND AVE, #607
BROOKLINE, MA 02445
Physical Therapist
33 POND AVE, SUITE 107B
BROOKLINE, MA 02445
Physical Therapist
33 POND AVE, SUITE 107B
BROOKLINE, MA 02445
Anesthesiology (Pain Medicine)
33 POND AVE, STE-1204
BROOKLINE, MA 02445

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 Ronald Katz's NPI number?

The NPI number for Ronald Katz is 1508834011. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is Ronald Katz located?

Ronald Katz practices at 33 Pond Ave B109, Brookline, MA 02445. The listed phone number is (617) 739-7061.

What is Ronald Katz's specialty?

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

Is Ronald Katz enrolled in Medicare?

Yes. Ronald Katz 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 organization bills Medicare for Ronald Katz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Katz reassigns Medicare benefits to Personalmds, LLC (Brookline, MA). The 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 Ronald Katz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ronald Katz affiliated with any hospitals?

According to CMS data, Ronald Katz is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Brigham And Women's Hospital, Faulkner Hospital-Brigham And Women's and Martha's Vineyard Hospital Inc.

When was this NPI record last updated?

The NPPES record for Ronald Katz was last updated on October 4, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.