Dr. Libby Joffe, MD
- Medicare services, 2024
- 991
- Medicare patients, 2024
- 158
- Part D claims, 2024
- 1,738
- Hospital affiliations
- 2
- Industry payments
- $3,404
- Practice address
- 1680 State Highway 23, Wayne, NJ 07470
- Practice phone
- Call (973) 831-9222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Internal Medicine of North Jersey
Wayne, New Jersey
Find Dr. Joffe'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. Libby Joffe is an internist in Wayne, New Jersey
Dr. Joffe practices at Advanced Internal Medicine of North Jersey in Wayne, New Jersey.
Dr. Joffe's NPI, 1831199645, was assigned on July 22, 2005. Dr. Joffe holds New Jersey license 25MA07432500.
- NPI
- 1831199645NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820039035
- NPI enumeration date
- July 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (973) 831-9222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Libby Joffe practices at Advanced Internal Medicine of North Jersey in Wayne, New Jersey
Dr. Joffe's primary practice is Advanced Internal Medicine of North Jersey, at 1680 State Highway 23, Wayne, NJ 07470 in Passaic County. The practice phone is (973) 831-9222.
- Advanced Internal Medicine of North Jersey1680 State Highway 23, Wayne, NJ 07470 · Passaic CountyPhone(973) 831-9222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Libby Joffe is affiliated with 4 sites of care and 1 medical group
Dr. Joffe's primary practice is Advanced Internal Medicine of North Jersey in Wayne, New Jersey. Dr. Joffe is also affiliated with Morristown Medical Center. The medical group on file is Advanced Internal Medicine of North Jersey. Dmand AI also links Dr. Joffe to 1 more hospital and 1 group practice or clinic, each 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. Libby Joffe's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Joffe practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Internal Medicine of North Jersey | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Libby Joffe is one of 4,226 internists in New Jersey
Internal medicine is Dr. Joffe's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Joffe's licenses on file in 2 states: New Jersey and New York.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
- New York license
Internists near Dr. Joffe
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. Libby Joffe billed Medicare for 991 services in 2024
CMS data shows 991 Medicare services from Dr. Joffe across 13 procedure codes in 2024, for 158 Medicare patients. Medicare paid $58,314 for them. Every service was in an office.
Dr. Joffe's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1942024: 441127%
- Office and hospital visits
- 2023: 4322024: 3998%
- Tests and treatments
- 2023: 1692024: 15111%
- Drugs given in the office
- 2023: 172024: 0100%
- Lab and pathology
- 2023: 122024: 0100%
Dr. Joffe compared with the New Jersey median for internists, 2024
- Dr. Joffe
- New Jersey median
- Medicare services
- 991vs 72337% above
- Medicare patients
- 158vs 23132% below
- Part D claims
- 1,286vs 83055% above
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Joffe'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.
Need commercial claims for Dr. Joffe?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Joffe and other internists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Libby Joffe treated 158 Medicare patients in 2024, average age 77
CMS counts 158 Medicare patients who saw Dr. Joffe in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Joffe's median patient age at 64, with 59% women.
Dr. Joffe's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Joffe's Medicare patients by sex, 2024
- Women9359%
- Men6541%
Chronic conditions among Dr. Joffe's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Diabetes26%
- Osteoporosis25%
- Anxiety23%
- Ischemic heart disease22%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Joffe's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Libby Joffe wrote 1,738 Medicare Part D claims in 2024
In 2024, Dr. Joffe wrote 1,738 Medicare Part D claims for 235 patients. 92% of them were for generic drugs. CMS names the drug for 1,286 of them, across 35 drugs with 11 or more claims each, at $23,633 in total drug cost. In 2023, CMS named 2,494 claims across 56 drugs.
Dr. Joffe's Part D claims by kind of drug, 2024
- Generic1,607 claims92%
- Brand-name and other131 claims8%
Dr. Joffe'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. Joffe's Part D claims, 2024
- Opioids1%19 of 1,738 claims
- Antibiotics2%38 of 1,738 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: 2,4942024: 1,28648%
Drugs named by CMS: 35 in 2024, 56 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. Libby Joffe offers telehealth to Medicare patients
Dr. Joffe accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Joffe as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Libby Joffe received $3,404 in industry payments from 2016 to 2025
CMS Open Payments shows 188 general payments to Dr. Joffe from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $590.
General payments to Dr. Joffe by program year, 2016 to 2025
General payments to Dr. Joffe by kind, 2016 to 2025
- Food and beverage$3,37499%
- Education$301%
Companies that paid Dr. Joffe the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Libby Joffe'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Libby Joffe
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. Libby Joffe's NPI number?
Dr. Libby Joffe's NPI number is 1831199645. It was assigned on July 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Libby Joffe?
Dr. Libby Joffe is an internist in Wayne, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Libby Joffe practice?
Dr. Joffe practices at 1680 State Highway 23, Wayne, NJ 07470. Dr. Joffe's primary practice is Advanced Internal Medicine of North Jersey in Wayne, New Jersey. Dmand AI also links Dr. Joffe to 1 hospital and 1 group practice or clinic.
What is Dr. Libby Joffe's office phone number?
The practice phone on file for Dr. Joffe is (973) 831-9222.
What is Dr. Libby Joffe's medical license number?
Dr. Joffe holds New Jersey license 25MA07432500, one of the licenses on file in 2 states.
Which states has Dr. Libby Joffe been licensed in?
Dmand AI has state licenses on file for Dr. Joffe in New Jersey and New York.
Which hospitals is Dr. Libby Joffe affiliated with?
Dr. Joffe is affiliated with Morristown Medical Center. Dmand AI links Dr. Joffe to 1 more hospital.
What medical group is Dr. Libby Joffe part of?
Dr. Joffe is linked to Advanced Internal Medicine of North Jersey.
Does Dr. Libby Joffe accept Medicare?
Yes. CMS data shows Dr. Joffe billed Medicare for 991 services in 2024, and Dr. Joffe accepts Medicare assignment.
Does Dr. Libby Joffe offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Joffe as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Libby Joffe see?
CMS counts 158 Medicare patients who saw Dr. Joffe in 2024, with an average age of 77.
What services does Dr. Libby Joffe bill to Medicare?
In 2024, Dr. Joffe's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G2211).
What drugs does Dr. Libby Joffe prescribe most?
In 2024 Medicare Part D data, Dr. Joffe's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Libby Joffe received payments from drug or device companies?
CMS Open Payments shows $3,404 in general payments to Dr. Joffe from 31 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Libby Joffe been practicing?
Dr. Joffe graduated from medical school in 1990, 36 years ago.
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