LAURA J MACNOW MD
NPI 1578610937
Emergency Medicine in Boston, MA
About Laura J Macnow Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAURA J MACNOW MD (NPI 1578610937) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (204110) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
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
Laura J Macnow 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.
Medicare Billing Reassignments
11Medicare enrollment records show Laura Macnow reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,006 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 247 clinicians in this Medicare group
Milton, MA 02186
- Reassigned Medicare billing, Massachusetts enrollment
- 177 clinicians in this Medicare group
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Wolfeboro, NH 03894
- Reassigned Medicare billing, New Hampshire enrollment
- 48 clinicians in this Medicare group
New London, NH 03257
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1831200583 (New Hampshire)
- 141 clinicians in this Medicare group
Lebanon, NH 03766
- Reassigned Medicare billing, New Hampshire enrollment
- 283 clinicians in this Medicare group
North Conway, NH 03860
- Reassigned Medicare billing, New Hampshire enrollment
- 173 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 2
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHNew London Hospital
Critical Access Hospitals · New London, NHAlice Peck Day Memorial Hospital
Critical Access Hospitals · Lebanon, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Laura Macnow's NPI number?
The NPI number for Laura Macnow is 1578610937. It was assigned to this individual provider in the NPPES registry on January 5, 2007.
Where is Laura Macnow located?
Laura Macnow practices at 1 Deaconess Rd # Wcc2, Boston, MA 02215. The listed phone number is (617) 754-2335.
What is Laura Macnow's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Laura Macnow enrolled in Medicare?
Yes. Laura Macnow 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 organizations bill Medicare for Laura Macnow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Laura Macnow reassigns Medicare benefits to 11 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Bid-Milton Physician Associates Inc (Milton, MA), Mary Hitchcock Memorial Hospital (Hampstead, NH) and 6 more organizations, listed in the Medicare section above. 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 Laura Macnow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Laura Macnow accept?
Health plans from Oscar Health Maintenance Organization of Florida and WellSense Health Plan list Laura Macnow 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 Laura Macnow affiliated with any hospitals?
According to CMS data, Laura Macnow is affiliated with Mary Hitchcock Memorial Hospital, New London Hospital and Alice Peck Day Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Laura Macnow was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Laura J Macnow, MD · NPI 1578610937
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since January 5, 2007.
## Identity
- **NPI:** 1578610937 (Entity type: Individual)
- **Enumerated:** January 5, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 204110 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 DEACONESS RD # WCC2, Boston, MA 02215-5321
- **Phone:** (617) 754-2335
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (NPI 1861216038, Boston, MA); Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1316987993, Boston, MA); Bid-Milton Physician Associates Inc (NPI 1184312738, Milton, MA); Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** March 31, 2025
- **Other identifiers:** Medicaid 110000663A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1578610937) · Data from the CMS NPPES public registry.