MARK GARFINKLE (MD) – Hospitalist Physician, NPI 1124039698
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,302 HOSPITALIST in CA
Provider Addresses for MARK GARFINKLE (MD)
26800 Crown Valley Pkwy
Suite 315
Mission Viejo, CA 926916384
Phone: (949) 364-6000
Fax: (949) 364-1204
Type: Location
2175 ROSALINE AVE
REDDING, CA 960012549
Phone: (530) 225-6000
Type: Location
26522, La Alameda, Mission Viejo, Orange County, California, 92691, United States
SUITE 120
MISSION VIEJO, CA 926916330
Phone: (949) 282-1671
Fax: (949) 367-0518
Type: Mailing
26800, Crown Valley Parkway, Mission Viejo, Orange County, California, 92691, United States
SUITE 315
MISSION VIEJO, CA 926916384
Phone: (949) 364-6000
Fax: (949) 364-1204
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $98.
Total Amount is formed as General ($98) + Research ($0) + Ownership ($0) = $98.
Last reported payment date: 2023-08-15 • Largest payer in this snapshot: Ironshore Pharmaceuticals Inc. ($98).
Total Amount
$98
General + Research + Ownership
Payments
2
Total payment records
General Amount
$98
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ironshore Pharmaceuticals Inc. | $98 |
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: 2022-03-21
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 |
|---|---|---|---|---|
| I20130702000582 | I | Internal Medicine | CA | TBD |
| I20220321001914 | I | Hospitalist | NM | 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 | 272 | 141 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 158 | 155 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 137 | 134 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 105 | 58 | $0 |
| 99497 | Advance care planning, first 30 minutes | 31 | 29 | $0 |
Insurance plans in this area (ZIP 92691)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| H O S P I T A L I S T | ME | |
| Emergency Medicine | NM | |
| Emergency Medicine | NM | |
| Certified Registered Nurse Anesthetist (Crna) | HI | |
| Certified Clinical Nurse Specialist (Cns) | NM | |
| Nurse Practitioner | TX | |
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TN | |
| Family Practice, Family Practice, Emergency Medicine, Emergency Medicine | TX |
Reviews
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