DR. ANTHONY SEBASTIAN MONTUNO (M.D.) – Internal Medicine Physician, NPI 1841639622
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
321 HOSPITALIST in ME
Provider Addresses for DR. ANTHONY SEBASTIAN MONTUNO (M.D.)
123 Medical Center Dr
Brunswick, ME 040112652
Phone: (207) 406-7872
Type: Location
1 Medical Center Dr
Biddeford, ME 040059496
Phone: (207) 283-7000
Type: Location
8641 Wilshire Blvd Ste 300
Beverly Hills, CA 902112921
Phone: (310) 652-9162
Fax: (310) 854-7259
Type: Location
2222 N Nevada Ave
Colorado Springs, CO 809076819
Phone: (719) 776-8040
Fax: (719) 776-8050
Type: Location
8635 W 3RD ST
STE 485W
LOS ANGELES, CA 900486156
Phone: (818) 599-9248
Type: Mailing
8635 W 3RD ST STE 485W
LOS ANGELES, CA 90048
Phone: (310) 652-9162
Fax: (310) 854-7259
Type: Location
1265 N EMERSON ST APT 401
DENVER, CO 802181865
Phone: (213) 603-0318
Type: Mailing
501 E HAMPDEN AVE
ENGLEWOOD, CO 801132702
Phone: (303) 788-5000
Type: Location
8641 WILSHIRE BLVD STE 300
BEVERLY HILLS, CA 902112921
Phone: (310) 652-9162
Fax: (310) 854-7259
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: 2024-10-08
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 |
|---|---|---|---|---|
| I20180824002400 | I | Nephrology | CA | TBD |
| I20210507002121 | I | Internal Medicine | WA | TBD |
| I20220302001380 | I | Hospitalist | CO | TBD |
| I20230411002062 | I | Internal Medicine | SC | TBD |
| I20240530003351 | I | Internal Medicine | WV | TBD |
| I20241008001202 | I | Hospitalist | WY | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 409 | 159 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 275 | 128 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 104 | 101 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 39 | 39 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 36 | $0 |
Insurance plans in this area (ZIP 04011)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | NY | |
| Internal Medicine | TX | |
| Internal Medicine | OR | |
| Internal Medicine | MI | |
| Nurse Practitioner | GA | |
| Internal Medicine | CO | |
| Internal Medicine, Hospitalist, Internal Medicine | NC | |
| H O S P I T A L I S T | NC | |
| Internal Medicine | CA | |
| Internal Medicine | NV |
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.