DR. ROBERT W CHALMERS (M.D.) – Obstetrics & Gynecology Physician, NPI 1114973708
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,037 OBSTETRICS/GYNECOLOGY in WA
Provider Addresses for DR. ROBERT W CHALMERS (M.D.)
PO BOX 27128
SALT LAKE CITY, UT 841270128
Phone: (435) 688-4600
Type: Mailing
1608 S J St Fl 1
Tacoma, WA 984054930
Phone: (253) 274-7501
Fax: (253) 274-7991
Type: Location
1055 N Curtis Rd
Boise, ID 837061309
Phone: (208) 302-1200
Fax: (208) 302-1255
Type: Location
23625 Holman Hwy Ste 227
Monterey, CA 939405902
Phone: (831) 624-3579
Type: Location
1650 Cowles St
Fairbanks, AK 997015907
Phone: (907) 458-2794
Fax: (907) 458-5180
Type: Location
1650 COWLES ST
FAIRBANKS, AK 997015907
Phone: (435) 705-4635
Type: Mailing
9850 W ST LUKES DR
NAMPA, ID 836877912
Phone: (208) 381-2267
Fax: (208) 381-4314
Type: Location
346, East 600 South, St. George, Washington County, Utah, 84770, United States
ST GEORGE, UT 847703949
Phone: (435) 688-4600
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2025-11-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 6 Medicare enrollment records; no due dates published yet.
Enrollment records
6
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 |
|---|---|---|---|---|
| I20040630000136 | I | Obstetrics/Gynecology | AK | TBD |
| I20050112000312 | I | Obstetrics/Gynecology | TX | TBD |
| I20071210000621 | I | Obstetrics/Gynecology | UT | TBD |
| I20130909000615 | I | Obstetrics/Gynecology | ID | TBD |
| I20160907002132 | I | Obstetrics/Gynecology | CA | TBD |
| I20251106001693 | I | Obstetrics/Gynecology | WA | 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 84127)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | LA | |
| Certified Registered Nurse Anesthetist (Crna) | AK | |
| A N E S T H E S I O L O G Y | MD | |
| P S Y C H I A T R Y | WA | |
| H O S P I T A L I S T | CA | |
| Emergency Medicine | AK | |
| U R O L O G Y | AK | |
| Certified Registered Nurse Anesthetist (Crna) | ID | |
| Family Practice | AK | |
| - | AK |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.