Dr. Robert Donald Lew, MD
- Part D claims, 2024
- 4,437
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 4647 Zion Ave, San Diego, CA 92120
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lew'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. Robert Donald Lew is an internist in San Diego, California
Dr. Lew practices at Kaiser Permanente Zion Medical Center in San Diego, California, part of Kaiser Permanente.
Dr. Lew's NPI, 1730449596, was assigned on May 25, 2012. Dr. Lew graduated from St. George's University School of Medicine in 2012. Dr. Lew holds California license A136684.
- NPI
- 1730449596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547588618
- NPI enumeration date
- May 25, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Donald Lew practices at Kaiser Permanente Zion Medical Center in San Diego, California
Dr. Lew's primary practice is Kaiser Permanente Zion Medical Center, at 4647 Zion Ave, San Diego, CA 92120 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente Zion Medical Center4647 Zion Ave, San Diego, CA 92120 · San Diego CountyPhone(619) 528-5000
Source: Dmand AI Affiliation Data
Dr. Robert Donald Lew is affiliated with 2 sites of care and 1 medical group
Dr. Lew's primary practice is Kaiser Permanente Zion Medical Center in San Diego, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Lew 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. Robert Donald Lew's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lew practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Zion Medical Center | Available with a free account |
| +1 more affiliated site | 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert Donald Lew is one of 16,751 internists in California
Internal medicine is Dr. Lew's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lew is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lew is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes among the conditions Dr. Lew treats.
Internists near Dr. Lew
Counts of internists 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. Robert Donald Lew's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Lew's median patient age at 53, with 47% women.
Dr. Lew'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
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Robert Donald Lew wrote 4,437 Medicare Part D claims in 2024
In 2024, Dr. Lew wrote 4,437 Medicare Part D claims for 658 patients. 87% of them were for generic drugs. CMS names the drug for 3,891 of them, across 72 drugs with 11 or more claims each, at $274,016 in total drug cost. In 2023, CMS named 3,740 claims across 68 drugs.
Dr. Lew's Part D claims by kind of drug, 2024
- Generic3,868 claims87%
- Brand-name486 claims11%
- Other83 claims2%
Dr. Lew'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. Lew's Part D claims, 2024
- Opioids4%159 of 4,437 claims
- Antibiotics2%68 of 4,437 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: 3,7402024: 3,8914%
Drugs named by CMS: 72 in 2024, 68 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
How Dr. Robert Donald Lew takes part in Medicare
Dr. Lew 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)
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. Robert Donald Lew graduated from St. George's University School of Medicine
Dr. Lew graduated from St. George's University School of Medicine in 2012.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Robert Donald Lew accepts plans from 2 insurance carriers
Dr. Lew 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. Lew accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Donald Lew'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) |
| 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. Robert Donald Lew
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. Robert Donald Lew's NPI number?
Dr. Robert Donald Lew's NPI number is 1730449596. It was assigned on May 25, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Donald Lew?
Dr. Robert Donald Lew is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Donald Lew practice?
Dr. Lew practices at 4647 Zion Ave, San Diego, CA 92120. Dr. Lew's primary practice is Kaiser Permanente Zion Medical Center in San Diego, California, part of Kaiser Permanente. Dmand AI also links Dr. Lew to 1 group practice or clinic.
What is Dr. Robert Donald Lew's office phone number?
The practice phone on file for Dr. Lew is (619) 528-5000.
What is Dr. Robert Donald Lew's medical license number?
Dr. Lew holds California license A136684.
Which hospitals is Dr. Robert Donald Lew affiliated with?
Dr. Lew practices at Kaiser Permanente Zion Medical Center in San Diego, California.
What medical group is Dr. Robert Donald Lew part of?
Dr. Lew is linked to Southern California Permanente Medical Group.
Does Dr. Robert Donald Lew accept Medicare?
Yes. CMS lists Dr. Lew as accepting Medicare assignment.
Is Dr. Robert Donald Lew board certified?
Yes. Dr. Lew is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Robert Donald Lew go to medical school?
Dr. Lew graduated from St. George's University School of Medicine in 2012.
Show 3 more questionsShow fewer questions
What drugs does Dr. Robert Donald Lew prescribe most?
In 2024 Medicare Part D data, Dr. Lew's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
How long has Dr. Robert Donald Lew been practicing?
Dr. Lew graduated from medical school in 2012, 14 years ago.
What insurance does Dr. Robert Donald Lew accept?
Dr. Lew 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.
Selling to internal medicine practices?
See internists 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