Sum Christine Cheung, MD
Obstetrics & Gynecology Physician · Loma Linda, CA
Sum Christine Cheung, MD is an obstetrics & gynecology physician with a practice address in Loma Linda, California, and NPI 1770799942, issued on May 15, 2007. Check the license (California A98149, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sum Christine Cheung
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A98149 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11175 Campus St, Loma Linda, CA 92350
- Phone
- (909) 651-5534
- Enumerated
- May 15, 2007
- Record last updated
- Dec 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (909) 651-5401
- Medicare enrollment
- Enrolled (PECOS I20090725000095); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2005
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 11175 Campus St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elisa ArnoldPhysician Assistant1215618053
- Rita Artounian MilagerdiPhysician Assistant1093497778
- Anamika Banerji, MDNeonatal-Perinatal Medicine Physician1770757528
- Jadelyn BautistaStudent in an Organized Health Care Education/Training Program1457001356
- Brandyn BeloteMedical Physician Assistant1477233765
- Linninea BoomNurse Practitioner1205281540
Verify Sum Christine Cheung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A98149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
30 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.00
1 payment: food and beverage; the largest payer was Monaghan Medical Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 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 2 group practices
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
- Sac Health SystemSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sum Christine Cheung among 5,088 obstetrics & gynecology physician records in California
Sum Christine Cheung, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2005 · median 2004 among the 2,700 with a school on file
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 obstetrics & gynecology physician records list a practice address in Loma Linda
They are 59 of the 4,863 NPPES records with a practice address in Loma Linda, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Loma Linda → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Oluwatomisin Bello Adejugba, MDLoma Linda, CA 923501982230975
- Joy KimLoma Linda, CA 923501871112383
- Sam Siddighi, M.D.Loma Linda, CA 923501336207844
- Michelle Tanzil, D.OLoma Linda, CA 923501578004156
- Jay Hartstein, MDLake Arrowhead, CA 923521013652114
- George Remisovsky, M.D.Lake Arrowhead, CA 923521730122458
- Kevin Balli, M.D.Loma Linda, CA 923541083636260
- Brian Beitel, M.D.Highland, CA 923461710922141
Common questions
What is Sum Christine Cheung, MD's NPI number?
Sum Christine Cheung, MD's National Provider Identifier (NPI) is 1770799942, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sum Christine Cheung, MD located?
The NPPES record lists a practice address at 11175 Campus St, Loma Linda, CA, 92350. Phone: (909) 651-5534. Providers update this record themselves, so call before visiting.
How can I verify Sum Christine Cheung, MD's license?
NPPES lists California license number A98149, 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 Sum Christine Cheung, MD prescribe under Medicare Part D?
In 2024, Sum Christine Cheung, MD had 30 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Sum Christine Cheung, MD's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.