Dr. Ming-Swang Lok, MD
- Medicare services, 2019
- 43
- Part D claims, 2020
- 202
- Industry payments
- $2,253
- Insurance carriers
- 4
- State licenses
- 2
- Practice address
- 399 E Highland Ave Ste 501, San Bernardino, CA 92404-3879
- Practice phone
- Call (909) 982-4252
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Lok's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ming-Swang Lok is a hematologist and oncologist in San Bernardino, California
Dr. Lok practices in San Bernardino, California.
Dr. Lok's NPI, 1548752371, was assigned on June 6, 2018. Dr. Lok graduated from Natl Defense Medicine Ctr in 1970. Dr. Lok's California license number on file is C157996.
- NPI
- 1548752371NPI Registry (opens in a new tab)
- NPI enumeration date
- June 6, 2018
- NPI status
- Active
- Practice phone
- (909) 982-4252
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Ming-Swang Lok's practice address is in San Bernardino, California
Dr. Lok's practice address in the NPI Registry is 399 E Highland Ave Ste 501, San Bernardino, CA 92404-3879. The practice phone is (909) 982-4252.
- NPI Registry address399 E Highland Ave Ste 501, San Bernardino, CA 92404-3879Phone(909) 982-4252
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Ming-Swang Lok's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lok practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Lok's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ming-Swang Lok is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Lok's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Lok's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
- New York license
Hematologists and oncologists near Dr. Lok
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ming-Swang Lok billed Medicare for 43 services in 2019
CMS data shows 43 Medicare services from Dr. Lok across 1 procedure code in 2019, all of them office visits. Medicare paid $3,586 for them. Every service was in an office.
Dr. Lok compared with the California median for hematologists and oncologists, 2019
- Dr. Lok
- California median
- Medicare services
- 43vs 93295% below
- Part D claims
- 202vs 39449% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Lok's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lok?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lok and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ming-Swang Lok's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Lok's median patient age at 75, with 0% women.
Dr. Lok's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Ming-Swang Lok wrote 202 Medicare Part D claims in 2020
In 2020, Dr. Lok wrote 202 Medicare Part D claims. They cover 12 drugs, with $494,407 in total drug cost. In 2019, CMS named 278 claims across 17 drugs.
Dr. Lok's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2782020: 20227%
Drugs named by CMS: 12 in 2020, 17 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ming-Swang Lok received $2,253 in industry payments from 2018 to 2025
CMS Open Payments shows 125 general payments to Dr. Lok from 31 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 94% of the total. Bristol-Myers Squibb Company paid the most, $277.
General payments to Dr. Lok by program year, 2018 to 2025
General payments to Dr. Lok by kind, 2018 to 2025
- Food and beverage$2,12394%
- Education$1316%
Companies that paid Dr. Lok the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ming-Swang Lok graduated from Natl Defense Medicine Ctr
Dr. Lok graduated from Natl Defense Medicine Ctr in 1970.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ming-Swang Lok accepts plans from 4 insurance carriers
Dr. Lok is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
Plan types Dr. Lok accepts, by number of carriers
- Medicare4
- PPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Ming-Swang Lok'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| 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. Ming-Swang Lok
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. Ming-Swang Lok's NPI number?
Dr. Ming-Swang Lok's NPI number is 1548752371. It was assigned on June 6, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Ming-Swang Lok?
Dr. Ming-Swang Lok is a hematologist and oncologist in San Bernardino, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Ming-Swang Lok practice?
Dr. Lok practices at 399 E Highland Ave Ste 501, San Bernardino, CA 92404-3879.
What is Dr. Ming-Swang Lok's office phone number?
The practice phone on file for Dr. Lok is (909) 982-4252.
What is Dr. Ming-Swang Lok's medical license number?
Dr. Lok's California license number on file is C157996, one of the licenses on file in 2 states.
Which states has Dr. Ming-Swang Lok been licensed in?
Dmand AI has state licenses on file for Dr. Lok in California (2018 to 2020) and New York (1975 to 2020).
Does Dr. Ming-Swang Lok accept Medicare?
Yes. CMS data shows Dr. Lok billed Medicare for 43 services in 2019.
What services does Dr. Ming-Swang Lok bill to Medicare?
In 2019, Dr. Lok's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Ming-Swang Lok go to medical school?
Dr. Lok graduated from Natl Defense Medicine Ctr in 1970.
What drugs does Dr. Ming-Swang Lok prescribe most?
In 2020 Medicare Part D data, Dr. Lok's most prescribed drugs by claims were Anastrozole, Warfarin Sodium and Imbruvica.
Show 3 more questionsShow fewer questions
Has Dr. Ming-Swang Lok received payments from drug or device companies?
CMS Open Payments shows $2,253 in general payments to Dr. Lok from 31 companies from 2018 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Ming-Swang Lok been practicing?
Dr. Lok graduated from medical school in 1970, 56 years ago.
What insurance does Dr. Ming-Swang Lok accept?
Dr. Lok is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
Selling to hematology and oncology practices?
See hematologists and oncologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card