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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SHANNON DEMAS
NPI 1902169568
Obstetrics & Gynecology in Wakefield, MA

Active since June 19, 2012PECOS Enrolled
50M AUDUBON RD, WAKEFIELD, MA 01880(781) 787-3003(781) 281-2406 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 26, 2026, Oct 10, 2019 (2 updates tracked since 2019).

About Shannon Demas NPPES

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

SHANNON DEMAS (NPI 1902169568) is an individual obstetrics & gynecology provider in Wakefield, Massachusetts, licensed in Massachusetts (1024424) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1902169568
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSHANNON DEMAS
Location Address50M AUDUBON RDWakefield, MA 01880-1203
Mailing Address800 W Cummings Park Ste 4050Woburn, MA 01801-7224 · (781) 787-3003 · Fax (781) 281-2406
Phone(781) 787-3003
Fax(781) 281-2406
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJune 19, 2012
Last NPPES UpdateOctober 26, 20262 updates tracked since enumeration
NPPES CertifiedOctober 26, 2026
✔ NPI 1902169568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in MA · 1024424✔ Licensed in WA · MD60960857
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
50M AUDUBON RD, Wakefield, MA 01880
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1800 W Cummings Park Ste 4050Woburn, MA 01801-7224 · Phone (781) 787-3003 · Fax (781) 281-2406
Location 2900 Pacific Ave Fl 5Everett, WA 98201 · Phone (425) 339-5430 · Fax (425) 339-5454
Location 3263 Farmington AveFarmington, CT 06030-1956 · Phone (860) 679-7692

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shannon Demas 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 ID2567778897
PECOS Enrollment IDI20190807002197
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 Reassignments

3

Medicare enrollment records show Shannon Demas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

New England Womens Healthcare
4.4 mi
Obstetrics & Gynecology
800 W CUMMINGS PARK STE 4050
Woburn, MA 01801
  • Reassigned Medicare billing, Massachusetts enrollment
  • 16 clinicians in this Medicare group
NPI 1881120202 (781) 787-3003
Optum Care Washington PLLC
2,474 mi
Ambulatory Surgical
4011 172ND ST NE
Arlington, WA 98223
  • Reassigned Medicare billing, Washington enrollment
  • 1,285 clinicians in this Medicare group
NPI 1366154304 (360) 454-1900
Permanente Medical Group Inc
2,635 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

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

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 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.
20 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01880 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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Shannon Demas's NPI number?

The NPI number for Shannon Demas is 1902169568. It was assigned to this individual provider in the NPPES registry on June 19, 2012.

Where is Shannon Demas located?

Shannon Demas practices at 50M Audubon Rd, Wakefield, MA 01880. The listed phone number is (781) 787-3003.

What is Shannon Demas's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Shannon Demas enrolled in Medicare?

Yes. Shannon Demas 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 Shannon Demas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Demas reassigns Medicare benefits to 3 organizations: New England Womens Healthcare (Woburn, MA), Optum Care Washington PLLC (Arlington, WA) and Permanente Medical Group Inc (Stockton, CA). 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 Shannon Demas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Demas accept?

Health plans from Anthem Blue Cross and Blue Shield list Shannon Demas 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.

When was this NPI record last updated?

The NPPES record for Shannon Demas was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.