Dr. Mark Wei Weng, DO
- Medicare services, 2019
- 18
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 6,557
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Practice phone
- Call (626) 851-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Weng'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. Mark Wei Weng is a family medicine physician in Baldwin Park, California
Dr. Weng practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
Dr. Weng's NPI, 1477578425, was assigned on July 12, 2006. Dr. Weng graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2003. Dr. Weng holds California license 20A8940.
- NPI
- 1477578425NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335184225
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 851-1011
- 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. Mark Wei Weng practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California
Dr. Weng's primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.
- Kaiser Permanente Baldwin Park Medical Center1011 Baldwin Park Blvd, Baldwin Park, CA 91706 · Los Angeles CountyPhone(626) 851-1011
Source: Dmand AI Affiliation Data
Dr. Mark Wei Weng is affiliated with 2 sites of care and 1 medical group
Dr. Weng's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Weng to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Wei Weng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weng practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Baldwin Park Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Wei Weng is one of 15,680 family medicine physicians in California
Family medicine is Dr. Weng's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Weng is board certified in family medicine by the American Board of Family Medicine. Dr. Weng is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, enthesopathy in arms, hand joint or tendon inflammation, hives and obesity among the conditions Dr. Weng treats.
Family medicine physicians near Dr. Weng
Counts of family medicine physicians 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. Mark Wei Weng billed Medicare for 18 services in 2019
CMS data shows 18 Medicare services from Dr. Weng across 1 procedure code in 2019, all of them office visits, for 15 Medicare patients. Medicare paid $889 for them. Every service was in an office.
Dr. Weng compared with the California median for family medicine physicians, 2019
- Dr. Weng
- California median
- Medicare services
- 18vs 24693% below
- Medicare patients
- 15vs 11887% below
- Part D claims
- 6,024vs 8337.2 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Weng'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weng and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Wei Weng treated 15 Medicare patients in 2024, average age 66
CMS counts 15 Medicare patients who saw Dr. Weng in 2024. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Weng's median patient age at 53, with 54% women.
Dr. Weng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Wei Weng wrote 6,557 Medicare Part D claims in 2024
In 2024, Dr. Weng wrote 6,557 Medicare Part D claims for 997 patients. 86% of them were for generic drugs. CMS names the drug for 6,024 of them, across 87 drugs with 11 or more claims each, at $258,667 in total drug cost. In 2023, CMS named 5,927 claims across 92 drugs.
Dr. Weng's Part D claims by kind of drug, 2024
- Generic5,651 claims86%
- Brand-name735 claims11%
- Other171 claims3%
Dr. Weng'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. Weng's Part D claims, 2024
- Opioids2%139 of 6,557 claims
- Antibiotics2%110 of 6,557 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,9272024: 6,0242%
Drugs named by CMS: 87 in 2024, 92 in 2023.
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
Dr. Mark Wei Weng offers telehealth to Medicare patients
Dr. Weng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Weng as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark Wei Weng graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Weng graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2003.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Mark Wei Weng accepts plans from 1 insurance carrier
Dr. Weng is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Wei Weng'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Mark Wei Weng
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. Mark Wei Weng's NPI number?
Dr. Mark Wei Weng's NPI number is 1477578425. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Wei Weng?
Dr. Mark Wei Weng is a family medicine physician in Baldwin Park, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mark Wei Weng practice?
Dr. Weng practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Dr. Weng's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. Dmand AI also links Dr. Weng to 1 group practice or clinic.
What is Dr. Mark Wei Weng's office phone number?
The practice phone on file for Dr. Weng is (626) 851-1011.
What is Dr. Mark Wei Weng's medical license number?
Dr. Weng holds California license 20A8940.
Which hospitals is Dr. Mark Wei Weng affiliated with?
Dr. Weng practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.
What medical group is Dr. Mark Wei Weng part of?
Dr. Weng is linked to Southern California Permanente Medical Group.
Does Dr. Mark Wei Weng accept Medicare?
Yes. CMS data shows Dr. Weng billed Medicare for 18 services in 2019, and Dr. Weng accepts Medicare assignment.
Does Dr. Mark Wei Weng offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Weng as offering telehealth services.
How many Medicare patients does Dr. Mark Wei Weng see?
CMS counts 15 Medicare patients who saw Dr. Weng in 2024, with an average age of 66.
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Is Dr. Mark Wei Weng board certified?
Yes. Dr. Weng is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Mark Wei Weng bill to Medicare?
In 2019, Dr. Weng's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Mark Wei Weng go to medical school?
Dr. Weng graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2003.
What drugs does Dr. Mark Wei Weng prescribe most?
In 2024 Medicare Part D data, Dr. Weng's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Mark Wei Weng been practicing?
Dr. Weng graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Mark Wei Weng accept?
Dr. Weng is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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