Karng S. Log, DO
Hematology & Oncology Physician · Littleton, CO
Karng S. Log, DO is a hematology & oncology physician with a practice address in Littleton, Colorado, and NPI 1932310034, issued on May 24, 2007. Check the license (Colorado 50124, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karng S. Log
- Credential
- DO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 50124 CO
5101016452 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7780 S Broadway, Littleton, CO 80122
- Phone
- (303) 734-2090
- Enumerated
- May 24, 2007
- Record last updated
- Oct 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (303) 734-2095
- Medicare enrollment
- Enrolled (PECOS I20111121000792); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 212 in Colorado → Look up another NPI →
Also registered at 7780 S Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Acheff, CNMAdvanced Practice Midwife1942214895
- Richard Adamson, FNPNurse Practitioner1760806673
- Roy Bergstrom, MDObstetrics & Gynecology Physician1174506422
- Dianne Bonner, PA-CMedical Physician Assistant1336164201
- Sharon Boyer, PACPhysician Assistant1215167994
- Robert Brown, PA-CMedical Physician Assistant1437236759
Verify Karng S. Log in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 50124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,401 Medicare Part D claims for 223 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims. 42 claims were for opioids.
Most prescribed
- Ondansetron Hcl90 claims
- Anastrozole74 claims
- Dexamethasone65 claims
- Eliquis62 claims
- Xarelto60 claims
- Prochlorperazine Maleate57 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: $316.45
3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Intermountain Front Range, Inc.Wheat Ridge, CO
- Intermountain Medical Group Denver LLCBroomfield, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karng S. Log among 212 hematology & oncology physician records in Colorado
Karng S. Log, DO is one of 212 hematology & oncology physician records with a practice address in Colorado. 77% 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 49% of them.
- NPI issued2007 · 49% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2005 · median 2004 among the 150 with a school on file
- Record last updated2014 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Colorado
There are 212 hematology & oncology physician records in Colorado.
All 212 in Colorado → Every provider in Littleton → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Dean Elhag, MDLittleton, CO 801221174029052
- David Link, MDLittleton, CO 801221932183522
- Muhammad Siddique, MDLittleton, CO 801221720217714
- Florencia Benton, M.D.Littleton, CO 801201427203033
- Manojkumar Bupathi, M.D.Littleton, CO 801201265675433
- Todd Capizzi, MDLone Tree, CO 801241649485764
- Lauren HerreraLittleton, CO 801201710828264
- Robert Jotte, MDLone Tree, CO 801241669457032
Common questions
What is Karng S. Log, DO's NPI number?
Karng S. Log, DO's National Provider Identifier (NPI) is 1932310034, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karng S. Log, DO located?
The NPPES record lists a practice address at 7780 S Broadway, Littleton, CO, 80122. Phone: (303) 734-2090. Providers update this record themselves, so call before visiting.
How can I verify Karng S. Log, DO's license?
NPPES lists Colorado license number 50124, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karng S. Log, DO prescribe under Medicare Part D?
In 2024, Karng S. Log, DO had 1,401 Medicare Part D claims for 223 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.