MRS. MARIA E WALAZEK (RD, LDN) – Registered Dietitian, NPI 1023220480
Registered Dietitian
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MRS. MARIA E WALAZEK (RD, LDN)
300 Longwood Ave
Boston, MA 021155724
Phone: (617) 355-6000
Type: Location
4 LARCHWOOD ST
NORTH BILLERICA, MA 018623233
Phone: (978) 362-4009
Type: Mailing
33 BEDFORD ST STE 20
LEXINGTON, MA 024204404
Phone: (781) 674-1189
Fax: (781) 863-2646
Type: Location
801 MAIN ST STE 7
CONCORD, MA 017423319
Phone: (617) 755-2472
Type: Location
1400 Lowell Rd
Concord, MA 017425255
Phone: (978) 369-2550
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-06-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050630000849 | I | Registered Dietitian Or Nutrition Professional | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 02115)
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