Cristina G. Christopher, PAC
Internal Medicine Physician · Glendora, CA
Cristina G. Christopher, PAC is an internal medicine physician with a practice address in Glendora, California, and NPI 1235378613, issued on Feb 9, 2009. Check the license (California PA20581, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cristina G. Christopher
- Credential
- PAC
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- PA20581 CA
Self-reported in NPPES; status is on the state search - Practice location
- 640 W Foothill Blvd, Glendora, CA 91741
- Phone
- (626) 335-4041
- Enumerated
- Feb 9, 2009
- Record last updated
- Dec 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (626) 335-3768
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Cristina G. Christopher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license PA20581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,105 Medicare Part D claims for 403 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. 113 claims were for opioids.
Most prescribed
- Alprazolam133 claims
- Lorazepam84 claims
- Tramadol Hcl79 claims
- Zolpidem Tartrate75 claims
- Levothyroxine Sodium65 claims
- Amlodipine Besylate55 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: $1,000.59
55 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Cristina G. Christopher among 17,696 internal medicine physician records in California
Cristina G. Christopher, PAC 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2011 · 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 Glendora → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Raymundo Bautista, MDGlendora, CA 917411912099441
- Marc Ghabbour, M.D.Glendora, CA 917411154702157
- Ibrahim Hanna, M.D.Glendora, CA 917411407898653
- Zhi-Wen Lu, M.D.Glendora, CA 917411578746582
- Galib Mirza, DOGlendora, CA 917411215518782
- Virginia Barrett, M.D.Glendora, CA 917401750474557
- Ihsan Hakimeh, MDGlendora, CA 917401407805153
- Ruth Hamad, M.D.Glendora, CA 917401619961703
Common questions
What is Cristina G. Christopher, PAC's NPI number?
Cristina G. Christopher, PAC's National Provider Identifier (NPI) is 1235378613, issued on Feb 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Cristina G. Christopher, PAC located?
The NPPES record lists a practice address at 640 W Foothill Blvd, Glendora, CA, 91741. Phone: (626) 335-4041. Providers update this record themselves, so call before visiting.
How can I verify Cristina G. Christopher, PAC's license?
NPPES lists California license number PA20581, 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 G. Christopher, PAC prescribe under Medicare Part D?
In 2024, Cristina G. Christopher, PAC had 2,105 Medicare Part D claims for 403 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.