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DR. JONATHON H SCHWARTZ MD
NPI 1689644932
Internal Medicine - Nephrology in Cambridge, MA

Active since January 26, 2006PECOS EnrolledAccepts Medicare Assignment
1575 CAMBRIDGE ST, SPAULDING HOSPITAL CAMBRIDGE, CAMBRIDGE, MA 02138(617) 876-4344(617) 234-7981 Get Directions Write a Review

NPPES record last updated: November 18, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Jonathon H Schwartz Md NPPES

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

DR. JONATHON H SCHWARTZ MD (NPI 1689644932) is an individual nephrology provider in Cambridge, Massachusetts, licensed in Massachusetts (160454) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Temple University School Of Medicine (1997).

NPPES Registry Identity

NPI1689644932
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. JONATHON H SCHWARTZCredential: MD
Location Address1575 CAMBRIDGE ST, SPAULDING HOSPITAL CAMBRIDGECambridge, MA 02138-4308
Mailing Address1575 Cambridge StCambridge, MA 02138-4308 · (617) 349-5701 · Fax (617) 234-7981
Phone(617) 876-4344
Fax(617) 234-7981
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 1997
Enumeration DateJanuary 26, 2006
Last NPPES UpdateNovember 18, 2024
NPPES CertifiedNovember 18, 2024
✔ NPI 1689644932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in MA · 160454
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 160454 (MA)
1575 CAMBRIDGE ST, Cambridge, MA 02138
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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jonathon H Schwartz 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 ID749239564
PECOS Enrollment IDI20050119000841
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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
84 services39 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
40 services23 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
18 services17 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services17 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
17 services17 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
15 services14 patients

Hospital Affiliations CMS Care Compare

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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 20

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

MS. NATALIE HUSMANN KEELER RN, BSN
Registered Nurse
1575 CAMBRIDGE ST
CAMBRIDGE, MA 02138
Middlesex County (617) 876-4344
MR. JOHN HORRAS MSW
Social Worker (Clinical)
1575 CAMBRIDGE ST
CAMBRIDGE, MA 02138
Middlesex County (617) 234-7787
EMILY GODDU NP
Nurse Practitioner
1575 CAMBRIDGE ST
CAMBRIDGE, MA 02138
Middlesex County (617) 876-4344
SPAULDING HOSPITAL-CAMBRIDGE, INC.
Long Term Care Hospital
1575 CAMBRIDGE ST
CAMBRIDGE, MA 02138
Middlesex County (617) 876-4344
DR. NANCY EL-SHAMAA KADDIS M.D.
Internal Medicine
1575 CAMBRIDGE ST, DIVISION OF INTERNAL MEDICINE
CAMBRIDGE, MA 02138
Middlesex County (866) 600-2273
JESSICA QIU DPT
Physical Therapist
1575 CAMBRIDGE ST
CAMBRIDGE, MA 02138
Middlesex County (617) 876-4344
MR. RICHARD P LAMBERT NP
Nurse Practitioner (Adult Health)
1575 CAMBRIDGE ST, YOUVILLE HOSPITAL
CAMBRIDGE, MA 02138
Middlesex County (617) 876-4344
MASSACHUSETTS GENERAL HOSPITAL
Long Term Care Hospital
1575 CAMBRIDGE ST
CAMBRIDGE, MA 02138
Middlesex County (617) 724-7168

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 Jonathon Schwartz's NPI number?

The NPI number for Jonathon Schwartz is 1689644932. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is Jonathon Schwartz located?

Jonathon Schwartz practices at 1575 Cambridge St Spaulding Hospital Cambridge, Cambridge, MA 02138. The listed phone number is (617) 876-4344.

What is Jonathon Schwartz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Jonathon Schwartz enrolled in Medicare?

Yes. Jonathon Schwartz 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 Jonathon Schwartz accept?

Health plans from Anthem Blue Cross and Blue Shield list Jonathon Schwartz 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 Jonathon Schwartz affiliated with any hospitals?

According to CMS data, Jonathon Schwartz is affiliated with Mount Auburn Hospital.

When was this NPI record last updated?

The NPPES record for Jonathon Schwartz was last updated on November 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.