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Dr. Bryan Dillion Loh, MD
NPI1972753093PAC ID5597937730
- Part D claims, 2024
- 94
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $7,645
- Medical group
- 1
- Practice address
- 3440 E La Palma Ave, Anaheim, CA 92806
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Loh's professional email, personal email and mobile number
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Dr. Bryan Dillion Loh is a general surgeon in Anaheim, California
Dr. Loh practices at Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.
Dr. Loh's NPI, 1972753093, was assigned on September 25, 2008. Dr. Loh graduated from Loma Linda University School Of Medicine in 2003. Dr. Loh holds California license A92301.
NPI and contact details
- NPI
- 1972753093NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597937730
- NPI enumeration date
- September 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bryan Dillion Loh practices at Orange County - Anaheim Medical Center in Anaheim, California
Dr. Loh's primary practice is Orange County - Anaheim Medical Center, at 3440 E La Palma Ave, Anaheim, CA 92806 in Orange County. The practice phone is (714) 279-4000.
- Orange County - Anaheim Medical Center3440 E La Palma Ave, Anaheim, CA 92806 · Orange CountyPhone(714) 279-4000
Source: Dmand AI Affiliation Data
Dr. Bryan Dillion Loh is affiliated with 1 site of care and 1 medical group
Dr. Loh's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bryan Dillion Loh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County - Anaheim Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bryan Dillion Loh is one of 2,926 general surgeons in California
Surgery is Dr. Loh's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Loh is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Loh's licenses on file in 4 states: California, Florida, New York and Nevada.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Florida license
- New York license
- Nevada license
General surgeons near Dr. Loh
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,926general surgeons in California56general surgeons in Anaheim18general surgeons at Orange County - Anaheim Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Bryan Dillion Loh's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Loh's median patient age at 58, with 47% women.
Dr. Loh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Bryan Dillion Loh wrote 94 Medicare Part D claims in 2024
In 2024, Dr. Loh wrote 94 Medicare Part D claims for 53 patients. 100% of them were for generic drugs. CMS names the drug for 42 of them, across 2 drugs with 11 or more claims each, at $468 in total drug cost. In 2022, CMS named 20 claims across 1 drug.
Part D claims, 202494
Drugs named by CMS2
Total drug cost$468
Part D patients53
Dr. Loh's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Loh's Part D claims, 2024
- Opioids48%45 of 94 claims
- Antibiotics16%15 of 94 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 202024: 42110%
Drugs named by CMS: 2 in 2024, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Bryan Dillion Loh takes part in Medicare
Dr. Loh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Bryan Dillion Loh has 2 publications on record
Dmand AI links 2 papers to Dr. Loh in 2009. The most frequent topics are Rectum. Dr. Loh's most frequent co-authors are Andrea Ferrara, MD, Marc J. Gollub, MD and Jose G. Guillem, MD.
Papers2
Topics Dr. Loh writes about most
- Rectum
Dr. Loh's most frequent co-authors
Recent publications by Dr. Loh
Dis Colon Rectum
EndosonographyMagnetic Resonance ImagingObserver Variation
See who Dr. Loh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Loh works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Bryan Dillion Loh received $7,645 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Loh from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 83% of the total. Intuitive Surgical, Inc. paid the most, $2,436.
General payments to Dr. Loh by program year, 2016 to 2025
General payments to Dr. Loh by kind, 2016 to 2025
$7.6Kin total
- Food and beverage$6,34683%
- Travel and lodging$1,29217%
- Education$70%
Companies that paid Dr. Loh the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bryan Dillion Loh graduated from Loma Linda University School Of Medicine
Dr. Loh graduated from Loma Linda University School Of Medicine in 2003.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Bryan Dillion Loh accepts plans from 2 insurance carriers
Dr. Loh is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Loh accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Bryan Dillion Loh's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Bryan Dillion Loh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Bryan Dillion Loh's NPI number?
Dr. Bryan Dillion Loh's NPI number is 1972753093. It was assigned on September 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Bryan Dillion Loh?
Dr. Bryan Dillion Loh is a general surgeon in Anaheim, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Bryan Dillion Loh practice?
Dr. Loh practices at 3440 E La Palma Ave, Anaheim, CA 92806. Dr. Loh's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.
What is Dr. Bryan Dillion Loh's office phone number?
The practice phone on file for Dr. Loh is (714) 279-4000.
What is Dr. Bryan Dillion Loh's medical license number?
Dr. Loh holds California license A92301, one of the licenses on file in 4 states.
Which states has Dr. Bryan Dillion Loh been licensed in?
Dmand AI has state licenses on file for Dr. Loh in California (2005 to 2027), Florida (2008 to 2012), New York (2010 to 2012) and Nevada (2006).
Which hospitals is Dr. Bryan Dillion Loh affiliated with?
Dr. Loh practices at Orange County - Anaheim Medical Center in Anaheim, California.
What medical group is Dr. Bryan Dillion Loh part of?
Dr. Loh is linked to Southern California Permanente Medical Group.
Does Dr. Bryan Dillion Loh accept Medicare?
Yes. CMS lists Dr. Loh as accepting Medicare assignment.
Is Dr. Bryan Dillion Loh board certified?
Yes. Dr. Loh is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
Show 7 more questionsShow fewer questions
Where did Dr. Bryan Dillion Loh go to medical school?
Dr. Loh graduated from Loma Linda University School Of Medicine in 2003.
What drugs does Dr. Bryan Dillion Loh prescribe most?
In 2024 Medicare Part D data, Dr. Loh's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Hydrocortisone.
Has Dr. Bryan Dillion Loh received payments from drug or device companies?
CMS Open Payments shows $7,645 in general payments to Dr. Loh from 25 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Bryan Dillion Loh been practicing?
Dr. Loh graduated from medical school in 2003, 23 years ago.
Does Dr. Bryan Dillion Loh do research?
Dmand AI links 2 publications to Dr. Loh.
Who does Dr. Bryan Dillion Loh publish with?
Dr. Loh's most frequent co-authors are Andrea Ferrara, MD (1 shared paper), Marc J. Gollub, MD (1 shared paper) and Jose G. Guillem, MD (1 shared paper).
What insurance does Dr. Bryan Dillion Loh accept?
Dr. Loh is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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