Christina Stiles, M.D.
Internal Medicine Physician · South Pasadena, CA
Christina Stiles, M.D. is an internal medicine physician with a practice address in South Pasadena, California, and NPI 1750679908, issued on Jul 20, 2011. Check the license (California A117615, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christina Stiles
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A117615 CA
DR.0061902 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1430 Alhambra RD, South Pasadena, CA 91030
- Phone
- (310) 429-8177
- Enumerated
- Jul 20, 2011
- Record last updated
- Sep 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150302002366); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Christina Stiles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A117615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,232 Medicare Part D claims for 461 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 46 claims were for opioids.
Most prescribed
- Omeprazole111 claims
- Pantoprazole Sodium88 claims
- Amoxicillin-Clavulanate Potass52 claims
- Clopidogrel52 claims
- Prednisone50 claims
- Metoprolol Succinate49 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.
Industry payments in 2024: $437.80
3 payments; by number, the most common kind was food and beverage; the largest payer was CVRx, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Accountable Care Hospitalist GroupAtlantis, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Stiles among 17,696 internal medicine physician records in California
Christina Stiles, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2009 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in South Pasadena → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Jong, M.D.South Pasadena, CA 910301336336700
- Lauren KarpSouth Pasadena, CA 910301760772065
- Dolly Kim, MD MBASouth Pasadena, CA 910301023212487
- Carolyn Lamb, M.D.,South Pasadena, CA 910301841374642
- Beauty Swe, MDSouth Pasadena, CA 910301548234479
- Jay Thomas, MDSouth Pasadena, CA 910301013092980
- Liviu Chindris, M.DSierra Madre, CA 910241730156472
- Linda Crawford, DOSierra Madre, CA 910241841360427
Common questions
What is Christina Stiles, M.D.'s NPI number?
Christina Stiles, M.D.'s National Provider Identifier (NPI) is 1750679908, issued on Jul 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Christina Stiles, M.D. located?
The NPPES record lists a practice address at 1430 Alhambra RD, South Pasadena, CA, 91030. Phone: (310) 429-8177. Providers update this record themselves, so call before visiting.
How can I verify Christina Stiles, M.D.'s license?
NPPES lists California license number A117615, 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 Christina Stiles, M.D. prescribe under Medicare Part D?
In 2024, Christina Stiles, M.D. had 1,232 Medicare Part D claims for 461 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.