DR. DAWN MICHELLE GROSS (M.D., PH.D.) – Hospice and Palliative Medicine (Internal Medicine) Physician, NPI 1053434985
Hospice and Palliative Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,299 HOSPITALIST in CA
Provider Addresses for DR. DAWN MICHELLE GROSS (M.D., PH.D.)
23181 VERDUGO DR 103A
LAGUNA HILLS, CA 926531313
Phone: (949) 366-1053
Fax: (949) 916-7710
Type: Mailing
39899 BALENTINE DR
SUITE 161
NEWARK, CA 945605355
Phone: (510) 438-9602
Type: Location
PO BOX 743749
LOS ANGELES, CA 900743749
Phone:
Type: Mailing
1001 POTRERO AVE BLDG 25
SAN FRANCISCO, CA 941103518
Phone: (628) 206-8000
Type: Location
39899 Balentine Dr
Suite 161
Newark, CA 945605355
Phone: (510) 438-9602
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: 2024-09-18
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 |
|---|---|---|---|---|
| I20110921000265 | I | Internal Medicine | CA | TBD |
| I20240918004392 | I | Hospice/Palliative Care | CA | 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 92653)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine, Interventional Cardiology | MD | |
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine | PA | |
| Hematology/Oncology, Internal Medicine | CA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MA | |
| Hospitalist, Internal Medicine | IL | |
| Internal Medicine | CA | |
| Internal Medicine, Interventional Cardiology, Cardiovascular Disease (Cardiology) | IL | |
| Internal Medicine | CA |
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