Cristina R. Harnsberger, M.D.
Colon & Rectal Surgery Physician · Santa Barbara, CA
Cristina R. Harnsberger, M.D. is a colon & rectal surgery physician with a practice address in Santa Barbara, California, and NPI 1497054126, issued on Mar 21, 2011. Check the license (California A120146, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cristina R. Harnsberger
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- A120146 CA
Self-reported in NPPES; status is on the state search - Practice location
- 317 W Pueblo St, Santa Barbara, CA 93105
- Phone
- (805) 898-3140
- Enumerated
- Mar 21, 2011
- Record last updated
- Aug 15, 2022
- Medicare enrollment
- Enrolled (PECOS I20190809002491); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 198 in California → Look up another NPI →
Also registered at 317 W Pueblo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justin Abraham, M.D., M.B.A.Neurology Physician1225322522
- Hosam Ahmad, M.D.Hospitalist Physician1881846475
- Joseph Aragon, M.D.Interventional Cardiology Physician1023122587
- Hiwot ArayaHospitalist Physician1922427327
- Christina Archer, MS, RDRegistered Dietitian1487178380
- Summer Baird, M.D.Internal Medicine Physician1245727809
Verify Cristina R. Harnsberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
186 Medicare Part D claims for 109 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf55 claims
- Metronidazole36 claims
- Clobetasol Propionate15 claims
- Oxycodone Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sansum ClinicSanta Barbara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cristina R. Harnsberger among 198 colon & rectal surgery physician records in California
Cristina R. Harnsberger, M.D. is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 73% of them.
- NPI issued2011 · 73% of these records are older, 23% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2010 · median 2002 among the 149 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in California
There are 198 colon & rectal surgery physician records in California.
All 198 in California → Every provider in Santa Barbara → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Gregory Greaney, M.D.Santa Barbara, CA 931051609984137
- Ching-Fong Wu, DOVisalia, CA 932771912018177
- Kyle Ota, M.D., MPHVisalia, CA 932911942682117
- Lorenc Malellari, MDBakersfield, CA 933011710329396
- Alexandra Elias, MDBakersfield, CA 933061023443587
- Eric Fu, MDYorba Linda, CA 928861629060108
- Joseph Carmichael, MDOrange, CA 928681427175827
- Anita Gregory, M.D.Orange, CA 928681881655868
Common questions
What is Cristina R. Harnsberger, M.D.'s NPI number?
Cristina R. Harnsberger, M.D.'s National Provider Identifier (NPI) is 1497054126, issued on Mar 21, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Cristina R. Harnsberger, M.D. located?
The NPPES record lists a practice address at 317 W Pueblo St, Santa Barbara, CA, 93105. Phone: (805) 898-3140. Providers update this record themselves, so call before visiting.
How can I verify Cristina R. Harnsberger, M.D.'s license?
NPPES lists California license number A120146, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cristina R. Harnsberger, M.D. prescribe under Medicare Part D?
In 2024, Cristina R. Harnsberger, M.D. had 186 Medicare Part D claims for 109 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.