CSI MEDICAL GROUP
NPI 1871909804
Dermatology - MOHS-Micrographic Surgery in San Pedro, CA

Active since July 10, 2014CLIA Certified · 32 labs
1360 W 6TH ST STE 370, SAN PEDRO, CA 90732(310) 519-8890(310) 519-9349 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 25, 2025, Jan 23, 2023, Nov 27, 2018 (3 updates tracked since 2018).

About Csi Medical Group NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CSI MEDICAL GROUP (NPI 1871909804) is a healthcare organization registered as a mohs-micrographic surgery in San Pedro, California and active in the NPI registry since July 2014. The organization holds 32 active CLIA laboratory certificates, maintains 43 additional practice locations, and lists Eric S Schweiger, Owner, as its authorized official.

NPPES Registry Identity

NPI1871909804
Entity TypeOrganization
Primary Taxonomy207ND0101X
Legal Business NameCSI MEDICAL GROUP
Location Address1360 W 6TH ST STE 370San Pedro, CA 90732-3527
Mailing AddressPo Box 104527Pasadena, CA 91189-0416 · (408) 369-5620 · Fax (408) 904-7730
Fax(310) 519-9349
Organization SubpartNo
Authorized OfficialEric S SchweigerOwner · (212) 283-3000
Enumeration DateJuly 10, 2014
Last NPPES UpdateNovember 25, 20253 updates tracked since enumeration
NPPES CertifiedNovember 25, 2025
NPI 1871909804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207ND0101X
License Licensed in CA · G81771
Definition
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.
Also ListedDermatologyTaxonomy 207N00000X · License G81771 (CA)
Also ListedDermatology · DermatopathologyTaxonomy 207ND0900X · License G81771 (CA)
Also ListedDermatology · Clinical & Laboratory Dermatological ImmunologyTaxonomy 207NI0002X · License G81771 (CA)
Also ListedDermatology · Pediatric DermatologyTaxonomy 207NP0225X · License G81771 (CA)
Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X · License G81771 (CA)
1360 W 6TH ST STE 370, San Pedro, CA 90732

Secondary Practice Locations 43

Location 19781 Blue Larkspur Ln Ste 100Monterey, CA 93940-6509 · Phone (831) 333-9008 · Fax (831) 333-9010
Location 21441 Avocado Ave Ste 409Newport Beach, CA 92660-7705 · Phone (949) 640-4501 · Fax (949) 640-0741
Location 31524 McHenry Ave Ste 470Modesto, CA 95350-4572 · Phone (209) 578-5072 · Fax (209) 578-5292
Location 49460 N Name Uno Ste 210Gilroy, CA 95020-3532 · Phone (408) 847-0888 · Fax (408) 847-1257
Location 54201 Torrance Blvd Ste 640Torrance, CA 90503-4524 · Phone (310) 543-4444 · Fax (310) 543-4446
Location 63838 California St Rm 610San Francisco, CA 94118-1508 · Phone (415) 387-8007 · Fax (415) 387-8008
Location 7425 Haaland Dr Ste 204Thousand Oaks, CA 91361-5231 · Phone (805) 497-8080 · Fax (805) 497-8806
Location 8800 Fairmount Ave Ste 220Pasadena, CA 91105-3154 · Phone (626) 585-9474 · Fax (626) 585-9480
Location 925815 Barton Rd Ste 101Loma Linda, CA 92354-3894 · Phone (909) 796-0224 · Fax (909) 796-0225
Location 10380 W Central Ave Ste 320Brea, CA 92821-3066 · Phone (714) 870-7546 · Fax (714) 447-3376
Location 111518 Cypress DrivePebble Beach, CA 93953 · Phone (831) 333-9007 · Fax (831) 333-9001
Location 129675 Brighton Way Ste 350Beverly Hills, CA 90210-5188 · Phone (310) 275-4195 · Fax (818) 222-2821
Location 131620 E 2nd St Ste NBeaumont, CA 92223-3172 · Phone (951) 845-6500 · Fax (866) 856-0338
Location 1411100 Warner Ave Ste 264Fountain Valley, CA 92708-7512 · Phone (714) 549-1770 · Fax (714) 549-5049
Location 1524025 Park Sorrento Ste 405Calabasas, CA 91302-4037 · Phone (818) 222-2055 · Fax (818) 222-2821
Location 16285 N El Camino Real Ste 117Encinitas, CA 92024-5384 · Phone (760) 633-1000 · Fax (760) 753-8657
Location 17501 S Shore Ctr W # 103AAlameda, CA 94501-5762 · Phone (510) 227-7028 · Fax (510) 274-7119
Location 1820400 Lake Chabot Rd Ste 202Castro Valley, CA 94546-5315 · Phone (510) 881-7822 · Fax (510) 881-8552
Location 19360 San Miguel Dr Ste 309Newport Beach, CA 92660-7829 · Phone (949) 640-0434 · Fax (949) 640-0277
Location 2036867 Cook St Ste 101Palm Desert, CA 92211-6064 · Phone (760) 341-1999 · Fax (760) 341-1997
Location 2139210 State St Ste 218Fremont, CA 94538-1456 · Phone (510) 790-0477 · Fax (510) 790-1835
Location 221127 Wilshire Blvd Ste 600Los Angeles, CA 90017-3907 · Phone (213) 278-0021 · Fax (213) 278-0973
Location 2313847 E 14th St Ste 218San Leandro, CA 94578-2626 · Phone (510) 483-0312 · Fax (510) 483-5864
Location 243311 Mission DrSanta Cruz, CA 95065-1827 · Phone (831) 475-4315 · Fax (831) 475-6526
Location 2545 Castro St Ste 332San Francisco, CA 94114-1019 · Phone (415) 861-2600 · Fax (415) 861-8627
Location 263562 Round Barn Cir Ste 320Santa Rosa, CA 95403-0182 · Phone (707) 578-1900 · Fax (707) 578-1111
Location 272438 N Ponderosa Dr Ste C105Camarillo, CA 93010-2465 · Phone (805) 388-2068 · Fax (805) 484-7700
Location 28129 Fremont AveLos Altos, CA 94022-3956 · Phone (650) 917-7711 · Fax (650) 917-7712
Location 2918988 Cox AveSaratoga, CA 95070-4154 · Phone (408) 253-4407 · Fax (408) 253-4499
Location 30289 W Huntington Dr Ste 208Arcadia, CA 91007-3495 · Phone (626) 446-8809 · Fax (626) 446-8268
Location 311700 N Rose Ave Ste 450Oxnard, CA 93030-7628 · Phone (805) 201-2821 · Fax (805) 278-0137
Location 322420 Samaritan DrSan Jose, CA 95124-3907 · Phone (408) 369-5600 · Fax (408) 558-7949
Location 33603 S Knickerbocker DrSunnyvale, CA 94087-1034 · Phone (408) 736-0441 · Fax (408) 736-0722
Location 34204 Green Valley RdFreedom, CA 95019-3135 · Phone (831) 728-2005 · Fax (831) 728-3310
Location 351800 Sullivan Ave Rm 403Daly City, CA 94015-2224 · Phone (650) 994-3238 · Fax (650) 991-1119
Location 361165 N Euclid StAnaheim, CA 92801-1938 · Phone (714) 991-9990 · Fax (714) 991-9496
Location 37700 Garden View Ct Ste 100Encinitas, CA 92024-2478 · Phone (760) 633-1000 · Fax (760) 753-8657
Location 381934 Via Ctr # BVista, CA 92081-6056 · Phone (760) 295-2299 · Fax (760) 216-5300
Location 39909 Hyde St Ste 419San Francisco, CA 94109-4846 · Phone (415) 678-5887 · Fax (415) 829-8897
Location 40136 N San Mateo Dr Fl 2San Mateo, CA 94401-2778 · Phone (650) 348-1242 · Fax (650) 348-0788
Location 413060 BroadwayRedwood City, CA 94062-1512 · Phone (650) 361-1177 · Fax (650) 361-1826
Location 42114 E Romie LnSalinas, CA 93901-3126 · Phone (831) 757-1007 · Fax (831) 757-0352
Location 431030 Sir Francis Drake Blvd Ste 110Kentfield, CA 94904-1439 · Phone (415) 461-1036 · Fax (415) 461-1043

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 38

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0606934

Csi Medical Group · Saratoga, CA
Active · expires Jul 12, 2028
CLIA Number05D0606934
Laboratory TypePhysician Office
Certificate Effective DateJuly 13, 2026
Certificate Expiration DateJuly 12, 2028
Laboratory DirectorKatharine L. Ball, MD
Laboratory Phone(408) 253-4407
Laboratory LocationCsi Medical Group18988 Cox Avenue Suite B, Saratoga, CA 95070
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate of Compliance 05D0592715

Csi Medical Group PC · Sunnyvale, CA
Active · expires May 31, 2028
CLIA Number05D0592715
Laboratory TypePhysician Office
Certificate Effective DateJune 1, 2026
Certificate Expiration DateMay 31, 2028
Laboratory DirectorBernard Recht
Laboratory Phone(408) 736-0441
Laboratory LocationCsi Medical Group PC603 S Knickerbocker Dr, Sunnyvale, CA 94087
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0688925

Csi Medical Group - Redwood City · Redwood City, CA
Active · expires May 11, 2028
CLIA Number05D0688925
Laboratory TypePhysician Office
Certificate Effective DateMay 12, 2026
Certificate Expiration DateMay 11, 2028
Laboratory DirectorDr. Susan Wolf
Laboratory Phone(650) 361-1177
Laboratory LocationCsi Medical Group - Redwood City3060 Broadway St, Redwood City, CA 94062
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0674512

Csi Medical Group · Los Altos, CA
Active · expires Mar 20, 2028
CLIA Number05D0674512
Laboratory TypePhysician Office
Certificate Effective DateMarch 21, 2026
Certificate Expiration DateMarch 20, 2028
Laboratory DirectorTodd S. Anhalt MD
Laboratory Phone(650) 917-7711
Laboratory LocationCsi Medical Group129 Fremont Ave, Los Altos, CA 94022
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D2177962

Csi Medical Group - Beverly Hills · Beverly Hills, CA
Active · expires Jan 21, 2028
CLIA Number05D2177962
Laboratory TypePhysician Office
Certificate Effective DateJanuary 22, 2026
Certificate Expiration DateJanuary 21, 2028
Laboratory DirectorDebra Luftman
Laboratory Phone(310) 275-4195
Laboratory LocationCsi Medical Group - Beverly Hills9675 Brighton Way, Ste 350, Beverly Hills, CA 90210
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate of Compliance 05D0686492

Csi Medical Group · San Pedro, CA
Active · expires Dec 14, 2027
CLIA Number05D0686492
Laboratory TypePhysician Office
Certificate Effective DateDecember 15, 2025
Certificate Expiration DateDecember 14, 2027
Laboratory DirectorDr. Gregory P. Henderson
Laboratory Phone(310) 519-8890
Laboratory LocationCsi Medical Group1360 W 6th St, Ste 370, San Pedro, CA 90732
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Csi Medical Group's NPI number?

The NPI number for Csi Medical Group is 1871909804. It was assigned to this organization in the NPPES registry on July 10, 2014.

Where is Csi Medical Group located?

Csi Medical Group is located at 1360 W 6th St Ste 370, San Pedro, CA 90732. The listed phone number is (310) 519-8890.

What is Csi Medical Group's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Does Csi Medical Group hold CLIA laboratory certificates?

Yes. 32 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Csi Medical Group was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.