ELLEN R SHAMMASH (MD) – Rheumatology Physician, NPI 1760455208
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
148 RHEUMATOLOGY in MN
Provider Addresses for ELLEN R SHAMMASH (MD)
401, Phalen Boulevard, Saint Paul, Ramsey County, Minnesota, 55130, United States
MS21110Q
SAINT PAUL, MN 551305302
Phone: (651) 254-7800
Fax: (651) 254-7806
Type: Mailing
401 PHALEN BLVD - MS 41103A
HEALTHPARTNERS SPECIALTY CENTER 401
ST. PAUL, MN 551305302
Phone: (651) 254-7800
Fax: (651) 254-7806
Type: Location
4200 DAHLBERG DR STE 300
GOLDEN VALLEY, MN 554224841
Phone: (952) 512-5600
Type: Mailing
4040 RADIO DR
WOODBURY, MN 551293237
Phone: (651) 439-8807
Fax: (651) 439-0232
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: 2023-06-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20050922000169 | I | Rheumatology | MN | TBD |
| I20230614003312 | I | Rheumatology | WI | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| Q5104 | Injection, infliximab-abda, biosimilar, (renflexis), 10 mg | 700 | 12 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 169 | 80 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 161 | 80 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 93 | 61 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 69 | 55 | $0 |
Insurance plans in this area (ZIP 55130)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MN | |
| Physical Therapist In Private Practice | MN | |
| Physical Therapist In Private Practice | MN | |
| - | MN | |
| Physical Therapist In Private Practice | MN | |
| - | MN | |
| Orthopedic Surgery | MN | |
| - | MN | |
| Physical Therapist In Private Practice | MN | |
| Physical Therapist In Private Practice | TX |
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