Dr. Robert J. Chalfin, MD
- Medicare services, 2024
- 2,799
- Medicare patients, 2024
- 517
- Part D claims, 2024
- 17,256
- Hospital affiliations
- 4
- Industry payments
- $73
- Practice address
- 101 E Olney Ave, Philadelphia, PA 19120
- Practice phone
- Call (215) 456-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Einstein Community Health Associates, Inc
Philadelphia, Pennsylvania
Find Dr. Chalfin'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 J. Chalfin is an internist in Philadelphia, Pennsylvania
Dr. Chalfin practices at Einstein Community Health Associates, Inc in Philadelphia, Pennsylvania.
Dr. Chalfin's NPI, 1841295318, was assigned on June 20, 2005. Dr. Chalfin graduated from Temple University School of Medicine in 1994. Dr. Chalfin holds Pennsylvania license MD0623406.
- NPI
- 1841295318NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971404245
- NPI enumeration date
- June 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 456-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert J. Chalfin practices at Einstein Community Health Associates, Inc in Philadelphia, Pennsylvania
Dr. Chalfin's primary practice is Einstein Community Health Associates, Inc, at 101 E Olney Ave, Philadelphia, PA 19120 in Philadelphia County. The practice phone is (215) 456-7000.
- Einstein Community Health Associates, Inc101 E Olney Ave, Philadelphia, PA 19120 · Philadelphia CountyPhone(215) 456-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert J. Chalfin is affiliated with 15 sites of care and 1 medical group
Dr. Chalfin's primary practice is Einstein Community Health Associates, Inc in Philadelphia, Pennsylvania. Dr. Chalfin is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Einstein Physicians Olney. Dmand AI also links Dr. Chalfin to 3 more hospitals, 5 skilled nursing facilities, 2 home health agencies, 2 hospices and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert J. Chalfin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chalfin practices, 14 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Einstein Community Health Associates, Inc | Available with a free account |
| +14 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Chalfin is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Chalfin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chalfin is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Chalfin
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 J. Chalfin billed Medicare for 2,799 services in 2024
CMS data shows 2,799 Medicare services from Dr. Chalfin across 19 procedure codes in 2024, for 517 Medicare patients. Medicare paid $199,459 for them. Every service was in an office.
Dr. Chalfin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8672024: 1,7994%
- Other services
- 2023: 2992024: 900201%
- Tests and treatments
- 2023: 1112024: 10010%
Dr. Chalfin compared with the Pennsylvania median for internists, 2024
- Dr. Chalfin
- Pennsylvania median
- Medicare services
- 2,799vs 4176.7 times
- Medicare patients
- 517vs 1852.8 times
- Part D claims
- 16,399vs 22473.2 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Chalfin's most billed Medicare procedure codes, 2024
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. Chalfin and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert J. Chalfin treated 517 Medicare patients in 2024, average age 82
CMS counts 517 Medicare patients who saw Dr. Chalfin in 2024. The largest group is 85 and over, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chalfin's median patient age at 83, with 58% women.
Dr. Chalfin's Medicare patients by age, 2024
Dr. Chalfin's Medicare patients by sex, 2024
- Women32663%
- Men19137%
Chronic conditions among Dr. Chalfin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Mood disorders36%
- Chronic kidney disease34%
- Depression34%
- Anxiety30%
- Atrial fibrillation29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chalfin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert J. Chalfin wrote 17,256 Medicare Part D claims in 2024
In 2024, Dr. Chalfin wrote 17,256 Medicare Part D claims for 897 patients. 85% of them were for generic drugs. CMS names the drug for 16,399 of them, across 212 drugs with 11 or more claims each, at $1,247,015 in total drug cost. In 2023, CMS named 14,835 claims across 195 drugs.
Dr. Chalfin's Part D claims by kind of drug, 2024
- Generic14,649 claims85%
- Brand-name2,555 claims15%
- Other52 claims0%
Dr. Chalfin'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. Chalfin's Part D claims, 2024
- Opioids1%230 of 17,256 claims
- Antibiotics2%274 of 17,256 claims
- Antipsychotics, patients 65 and over1%208 of 17,256 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: 14,8352024: 16,39911%
Drugs named by CMS: 212 in 2024, 195 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. Robert J. Chalfin offers telehealth to Medicare patients
Dr. Chalfin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chalfin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert J. Chalfin received $73 in industry payments from 2016 to 2023
CMS Open Payments shows 2 general payments to Dr. Chalfin from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Avanir Pharmaceuticals, Inc. paid the most, $55.
General payments to Dr. Chalfin by program year, 2016 to 2023
Companies that paid Dr. Chalfin the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert J. Chalfin graduated from Temple University School of Medicine
Dr. Chalfin graduated from Temple University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert J. Chalfin'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 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)Doctors and Clinicians Utilization Data (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 |
| 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 J. Chalfin
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 J. Chalfin's NPI number?
Dr. Robert J. Chalfin's NPI number is 1841295318. It was assigned on June 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Chalfin?
Dr. Robert J. Chalfin is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert J. Chalfin practice?
Dr. Chalfin practices at 101 E Olney Ave, Philadelphia, PA 19120. Dr. Chalfin's primary practice is Einstein Community Health Associates, Inc in Philadelphia, Pennsylvania. Dmand AI also links Dr. Chalfin to 3 hospitals, 5 skilled nursing facilities, 2 home health agencies, 2 hospices and 1 group practice or clinic.
What is Dr. Robert J. Chalfin's office phone number?
The practice phone on file for Dr. Chalfin is (215) 456-7000.
What is Dr. Robert J. Chalfin's medical license number?
Dr. Chalfin holds Pennsylvania license MD0623406.
Which hospitals is Dr. Robert J. Chalfin affiliated with?
Dr. Chalfin is affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Chalfin to 3 more hospitals.
What medical group is Dr. Robert J. Chalfin part of?
Dr. Chalfin is linked to Einstein Physicians Olney.
Does Dr. Robert J. Chalfin accept Medicare?
Yes. CMS data shows Dr. Chalfin billed Medicare for 2,799 services in 2024, and Dr. Chalfin accepts Medicare assignment.
Does Dr. Robert J. Chalfin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chalfin as offering telehealth services.
How many Medicare patients does Dr. Robert J. Chalfin see?
CMS counts 517 Medicare patients who saw Dr. Chalfin in 2024, with an average age of 82.
Show 5 more questionsShow fewer questions
What services does Dr. Robert J. Chalfin bill to Medicare?
In 2024, Dr. Chalfin's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and nursing facility care (99309).
Where did Dr. Robert J. Chalfin go to medical school?
Dr. Chalfin graduated from Temple University School of Medicine in 1994.
What drugs does Dr. Robert J. Chalfin prescribe most?
In 2024 Medicare Part D data, Dr. Chalfin's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Eliquis.
Has Dr. Robert J. Chalfin received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Dr. Chalfin from 2 companies from 2016 to 2023. The largest total came from Avanir Pharmaceuticals, Inc.
How long has Dr. Robert J. Chalfin been practicing?
Dr. Chalfin graduated from medical school in 1994, 32 years ago.
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