Ian Thomas Crumm, MD
Individual provider Active NPI Internal Medicine Physician · Santa Monica, CA
NPI 1700407459 · NPPES record last updated Oct 1, 2025
Key facts
- NPI
- 1700407459
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Internal Medicine Physician 207R00000X
- License
- A204688 (CA)
- Practice address
- 2428 Santa Monica Blvd Ste 200
Santa Monica, CA 90404-2046 - Phone
- (310) 998-5868
- NPI assigned
- May 5, 2020
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 13
Hospital & facility affiliations 4
Medicare Care Compare profile
- Specialty
- Internal Medicine
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- The Regents of the University of California
Sound Physicians of Hawaii Inc
Practice addresses (Care Compare)
2020 Santa Monica Blvd
Suite 210
Santa Monica, CA 90404-2139
Phone (310) 458-2381
2424 Wilshire Blvd
Santa Monica, CA 90403-5806
Phone (310) 828-4530
2428 Santa Monica Blvd
Santa Monica, CA 90404-2046
4560 Admiralty Way
Suite 100
Marina del Rey, CA 90292-5424
Phone (310) 827-3700
6344 Topanga Canyon Blvd
Suite 2040
Woodland Hills, CA 91367-2362
Phone (818) 610-0292
79 -1019 Haukapila St
Kealakekua, HI 96750-7920
Phone (808) 322-9311
Hospital & facility affiliations
- Accentcare UCLA Health, LLC
- Kona Community Hospital
- Ronald Reagan UCLA Medical Center
- Santa Monica - UCLA Med Ctr & Orthopaedic Hospital
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled (2 enrollments) in HI, CA
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20241011001170 | HI | Practitioner - Hospitalist | 6507288339 | Reassigns benefits to 1 organization |
| I20250923003158 | CA | Practitioner - Internal Medicine |
6507288339 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A204688 | CA | MD | Pediatrics Physician |
| MD-24569 | HI | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| The Regents of the University of California | Current |
Accepting new patients | |
| Sound Physicians of Hawaii Inc | Internal Medicine | Current |
Accepting new patients |
| The Regents of the University of California | Internal Medicine | Current |
Accepting new patients |
| Kona Hospital | Past | Accepting new patients |
Locations
24302 Paseo de Valencia
Ste 200
Laguna Hills, CA 92653
Phone (949) 458-8252
File 55737
Los Angeles, CA 90074
5767 W Century Blvd
Ste 400
Los Angeles, CA 90045
Phone (310) 301-5200
892 Aerovista Pl
Ste 240
San Luis Obispo, CA 93401
Phone (805) 541-8252
2020 Santa Monica Blvd
Ste 210
Santa Monica, CA 90404
Phone (310) 458-2381
2428 Santa Monica Blvd
Ste 200
Santa Monica, CA 90404
Phone (310) 998-5868
100 Moody Ct
Ste 200
Thousand Oaks, CA 91360
Phone (805) 418-3500
79-1019 Haukapila St
Kealakekua, HI 96750
Phone (808) 322-4413
120 Brentwood Commons Way
Ste 510
Brentwood, TN 37027
Phone (253) 682-6040
Interoperability endpoints
- icrumm1458944@direct.uclahealth.org
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | A204688 | CA | |
| Internal Medicine Physician | 207R00000X | A204688 | CA | Yes |
| Hospitalist Physician | 208M00000X | MD-24569 | HI |
Addresses
Primary practice location
2428 Santa Monica Blvd Ste 200
Santa Monica, CA 90404-2046
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 90045-5631
Other practice location 1
1000 Oakland Dr
Kalamazoo, MI 49008-1282
Phone (269) 337-4600
Other providers in Santa Monica, CA
- Olivia Crookes
- Allison Nicole Crooks
- Linda Diane Crooks
- Natalie Crosby
- Daniel John Crossman
- Giovani Valentin Cruz Cruz
- Angelica Cruz
- Elizabeth Cruz
- Crystal Litak, M.D., Inc
- CS Medical Group Inc
All providers in Santa Monica, CA · Internal Medicine Physician in California
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Oct 1, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.