Dr. Lewis A. Osofsky, MD
- Part D claims, 2024
- 20
- Industry payments
- $1,562
- Affiliated sites
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 4110 Holt Blvd, Montclair, CA 91763
- Practice phone
- Call (818) 599-8998
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dignity Adult Day Health Care Center
Montclair, California
Find Dr. Osofsky'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. Lewis A. Osofsky is a pediatrician in Montclair, California
Dr. Osofsky practices at Dignity Adult Day Health Care Center in Montclair, California.
Dr. Osofsky's NPI, 1821079757, was assigned on November 8, 2005. Dr. Osofsky graduated from Albert Einstein College of Medicine in 1981. Dr. Osofsky holds California license G47908.
- NPI
- 1821079757NPI Registry (opens in a new tab)
- NPI enumeration date
- November 8, 2005
- NPI status
- Active
- Practice phone
- (818) 599-8998
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Lewis A. Osofsky practices at Dignity Adult Day Health Care Center in Montclair, California
Dr. Osofsky's primary practice is Dignity Adult Day Health Care Center, at 4110 Holt Blvd, Montclair, CA 91763 in San Bernardino County. The practice phone is (818) 599-8998.
- Dignity Adult Day Health Care Center4110 Holt Blvd, Montclair, CA 91763 · San Bernardino CountyPhone(818) 599-8998
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lewis A. Osofsky is affiliated with 2 sites of care
Dr. Osofsky's primary practice is Dignity Adult Day Health Care Center in Montclair, California. Dmand AI also links Dr. Osofsky to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lewis A. Osofsky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Osofsky practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Adult Day Health Care 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Lewis A. Osofsky is one of 8,236 pediatricians in California
Pediatrics is Dr. Osofsky's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Osofsky is board certified in pediatrics by the American Board of Pediatrics. Dr. Osofsky is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Osofsky
Counts of pediatricians 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. Lewis A. Osofsky's patients have a median age of 20
Across all payers, Dmand AI patient panel data puts Dr. Osofsky's median patient age at 20, with 40% women.
Dr. Osofsky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 20
Patient panel by sex, all payers
- Women40%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Lewis A. Osofsky wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Osofsky wrote 20 Medicare Part D claims. 55% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $303 in total drug cost. In 2022, CMS named 16 claims across 1 drug.
Dr. Osofsky's Part D claims by kind of drug, 2024
- Generic11 claims55%
- Brand-name and other9 claims45%
Dr. Osofsky's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 162023: 156%
Drugs named by CMS: 1 in 2023, 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
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. Lewis A. Osofsky received $1,562 in industry payments from 2016 to 2021
CMS Open Payments shows 17 general payments to Dr. Osofsky from 7 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $504.
General payments to Dr. Osofsky by program year, 2016 to 2021
Companies that paid Dr. Osofsky the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lewis A. Osofsky has 1 award and honors on record
Dmand AI lists 1 award for Dr. Osofsky.
Awards and honors for Dr. Osofsky
- Undated
- AAP Fellow
Source: Dmand AI Professional Profile Data
Dr. Lewis A. Osofsky graduated from Albert Einstein College of Medicine
Dr. Osofsky graduated from Albert Einstein College of Medicine in 1981. Dr. Osofsky is a member of AAP.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Lewis A. Osofsky accepts plans from 2 insurance carriers
Dr. Osofsky is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Osofsky accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Lewis A. Osofsky'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Lewis A. Osofsky
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. Lewis A. Osofsky's NPI number?
Dr. Lewis A. Osofsky's NPI number is 1821079757. It was assigned on November 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Lewis A. Osofsky?
Dr. Lewis A. Osofsky is a pediatrician in Montclair, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Lewis A. Osofsky practice?
Dr. Osofsky practices at 4110 Holt Blvd, Montclair, CA 91763. Dr. Osofsky's primary practice is Dignity Adult Day Health Care Center in Montclair, California. Dmand AI also links Dr. Osofsky to 1 physician office.
What is Dr. Lewis A. Osofsky's office phone number?
The practice phone on file for Dr. Osofsky is (818) 599-8998.
What is Dr. Lewis A. Osofsky's medical license number?
Dr. Osofsky holds California license G47908.
Is Dr. Lewis A. Osofsky board certified?
Yes. Dr. Osofsky is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Lewis A. Osofsky go to medical school?
Dr. Osofsky graduated from Albert Einstein College of Medicine in 1981.
What drugs does Dr. Lewis A. Osofsky prescribe most?
In 2023 Medicare Part D data, Dr. Osofsky's most prescribed drugs by claims were Levothyroxine Sodium.
Has Dr. Lewis A. Osofsky received payments from drug or device companies?
CMS Open Payments shows $1,562 in general payments to Dr. Osofsky from 7 companies from 2016 to 2021. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Lewis A. Osofsky been practicing?
Dr. Osofsky graduated from medical school in 1981, 45 years ago.
What insurance does Dr. Lewis A. Osofsky accept?
Dr. Osofsky is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
Selling to pediatrics practices?
See pediatricians 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