JOSEPH WAX MD
NPI 1609926930
Obstetrics & Gynecology - Maternal & Fetal Medicine in Portland, ME
About Joseph Wax Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH WAX MD (NPI 1609926930) is an individual maternal & fetal medicine provider in Portland, Maine, licensed in Maine (015444) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of New York Medical College (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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
Joseph Wax 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
8Medicare enrollment records show Joseph Wax reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1790896876 (Maine)
- 229 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Biddeford, ME 04005
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Southern Maine Health Care
- 253 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: St Marys Regional Medical Center
- 381 clinicians in this Medicare group
North Conway, NH 03860
- Reassigned Medicare billing, New Hampshire enrollment
- 173 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 788 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MENorthern Light Eastern Maine Medical Center
Acute Care Hospitals · Bangor, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PORTLAND, ME 04102
PORTLAND, ME 04102
PORTLAND, ME 04102
PORTLAND, ME 04102
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 Joseph Wax's NPI number?
The NPI number for Joseph Wax is 1609926930. It was assigned to this individual provider in the NPPES registry on January 11, 2007.
Where is Joseph Wax located?
Joseph Wax practices at 887 Congress St Suite 200, Portland, ME 04102. The listed phone number is (207) 771-5549.
What is Joseph Wax's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Joseph Wax enrolled in Medicare?
Yes. Joseph Wax 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 Joseph Wax's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Wax reassigns Medicare benefits to 8 organizations: Maine Medical Partners (Portland, ME), Mainehealth (Portland, ME), Webber Hospital Association (Biddeford, ME), Central Maine Medical Center (Lewiston, ME), St. Mary's Regional Medical Center (Lewiston, ME) and 3 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 Joseph Wax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Wax accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Joseph Wax 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 Joseph Wax affiliated with any hospitals?
According to CMS data, Joseph Wax is affiliated with Maine Medical Center and Northern Light Eastern Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Wax was last updated on October 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Joseph Wax, MD · NPI 1609926930
Maternal & Fetal Medicine physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since January 11, 2007.
## Identity
- **NPI:** 1609926930 (Entity type: Individual)
- **Enumerated:** January 11, 2007
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** 015444 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 887 CONGRESS ST, SUITE 200, Portland, ME 04102-3100
- **Phone:** (207) 771-5549 · **Fax:** (207) 771-7834
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Maine Medical Partners (NPI 1104921535, Portland, ME); Mainehealth (NPI 1063726891, Portland, ME); Webber Hospital Association (NPI 1942403266, Biddeford, ME); Central Maine Medical Center (NPI 1689653487, Lewiston, ME); St. Mary's Regional Medical Center (NPI 1447226584, Lewiston, ME); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 1986
## Record status
- **NPPES last updated:** October 24, 2011
- **Other identifiers:** Medicaid 30201317 (NH); Medicaid 291610099 (ME); Medicare UPIN E47779; and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1609926930) · Data from the CMS NPPES public registry.