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DONALD JAMES BAKER MD
NPI 1841390341
Emergency Medicine in Parsippany, NJ

Active since September 24, 2006PECOS Enrolled
3 CENTURY DR, PARSIPPANY, NJ 07054(973) 740-0607 Get Directions Write a Review

NPPES record last updated: October 17, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2024, Mar 7, 2023 (2 updates tracked since 2023).

About Donald James Baker Md NPPES

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

DONALD JAMES BAKER MD (NPI 1841390341) is an individual emergency medicine provider in Parsippany, New Jersey, licensed in New York (223802-1) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841390341
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDONALD JAMES BAKERCredential: MD
Location Address3 CENTURY DRParsippany, NJ 07054-4610
Mailing Address561 Parbois LnLouisville, CO 80027-2313 · (607) 279-7708
Phone(973) 740-0607
Sole ProprietorNo
Enumeration DateSeptember 24, 2006
Last NPPES UpdateOctober 17, 20242 updates tracked since enumeration
NPPES CertifiedOctober 17, 2024
✔ NPI 1841390341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in NY · 223802-1✔ Licensed in NY · 223802
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 2039 (WI)
3 CENTURY DR, Parsippany, NJ 07054
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Other Identifiers 3

Medicaid02259992NY
Other223802NY · State License
Other851371Abem

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Donald James Baker Md 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 Reassignment

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

Mayo Clinic Health System-Southwest Wisconsin Region, Inc.
882 mi
Multi-Specialty
800 WEST AVE S
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,003 clinicians in this Medicare group
NPI 1629056049 (608) 392-3861

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 07054 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
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.

BEATA JOANNA DA SILVA AGNP
Nurse Practitioner
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (973) 740-0607
DR. ERICA WALTERS M.D.
Emergency Medicine
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (212) 423-6684
JESSICA LYNN CARD PA-C
Physician Assistant
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (877) 692-4665
DIANA CAROLINA LOPEZ PA
Physician Assistant (Medical)
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (973) 740-0607
DAVID MATTHEW YELLIN MORLEY M.D.
Emergency Medicine
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (517) 896-5536
MISS HEATHER DAWN NEIDLE PA-C
Physician Assistant
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (908) 705-4623
KAREEN LEE
Physician Assistant
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (973) 436-5573
LYDIA MARIE KASPER D.O.
Emergency Medicine
3 CENTURY DR
PARSIPPANY, NJ 07054
Morris County (877) 692-4665

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 Donald Baker's NPI number?

The NPI number for Donald Baker is 1841390341. It was assigned to this individual provider in the NPPES registry on September 24, 2006.

Where is Donald Baker located?

Donald Baker practices at 3 Century Dr, Parsippany, NJ 07054. The listed phone number is (973) 740-0607.

What is Donald Baker's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Donald Baker enrolled in Medicare?

Yes. Donald Baker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Donald Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Baker reassigns Medicare benefits to Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI). 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 Donald Baker'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 Donald Baker was last updated on October 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.