Dr. Neil Pa Gaffin, MD
- Medicare services, 2024
- 1,033
- Medicare patients, 2024
- 567
- Part D claims, 2024
- 270
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 4 Valley Health Plaza, Paramus, NJ 07652
- Practice phone
- Call (201) 447-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Neil Pa Gaffin is an infectious disease specialist in Paramus, New Jersey
Dr. Gaffin practices at The Valley Hospital in Paramus, New Jersey, part of Valley Health System.
Dr. Gaffin's NPI, 1649259045, was assigned on January 13, 2006. Dr. Gaffin graduated from Drexel University College of Medicine/Hahnemann University in 1993. Dr. Gaffin holds New Jersey license MA71002.
- NPI
- 1649259045NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890983878
- NPI enumeration date
- January 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (201) 447-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Neil Pa Gaffin practices at The Valley Hospital in Paramus, New Jersey
Dr. Gaffin's primary practice is The Valley Hospital, at 4 Valley Health Plaza, Paramus, NJ 07652 in Bergen County. The practice phone is (201) 447-8000.
- The Valley Hospital4 Valley Health Plaza, Paramus, NJ 07652 · Bergen CountyPhone(201) 447-8000
Source: Dmand AI Affiliation Data
Dr. Neil Pa Gaffin is affiliated with 2 sites of care and 1 medical group
Dr. Gaffin's primary practice is The Valley Hospital in Paramus, New Jersey, part of Valley Health System. The medical group on file is Ridgewood Infectious Disease Associates. Dmand AI also links Dr. Gaffin 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. Neil Pa Gaffin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaffin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Valley Hospital | 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 Valley Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Neil Pa Gaffin is one of 340 infectious disease specialists in New Jersey
Infectious disease is Dr. Gaffin's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Gaffin is licensed in New Jersey.
Specialties and state licenses
- Infectious disease, New JerseyPrimary
Infectious disease specialists near Dr. Gaffin
Counts of infectious disease specialists 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. Neil Pa Gaffin billed Medicare for 1,033 services in 2024
CMS data shows 1,033 Medicare services from Dr. Gaffin across 8 procedure codes in 2024, for 567 Medicare patients. Medicare paid $106,318 for them.
Dr. Gaffin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9892024: 1,0334%
Where Dr. Gaffin's Medicare services took place, 2024
- In an office12612%
- In a facility90788%
Dr. Gaffin compared with the New Jersey median for infectious disease specialists, 2024
- Dr. Gaffin
- New Jersey median
- Medicare services
- 1,033vs 9588% above
- Medicare patients
- 567vs 38248% above
- Part D claims
- 204vs 16226% above
Medians across 330 infectious disease specialists in New Jersey with Dmand AI profiles that report each measure.
Dr. Gaffin'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. Gaffin and other infectious disease specialists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Neil Pa Gaffin treated 567 Medicare patients in 2024, average age 79
CMS counts 567 Medicare patients who saw Dr. Gaffin in 2024. The largest group is 75 to 84, with 205 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gaffin's median patient age at 62, with 44% women.
Dr. Gaffin's Medicare patients by age, 2024
Dr. Gaffin's Medicare patients by sex, 2024
- Women27949%
- Men28851%
Chronic conditions among Dr. Gaffin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis72%
- Ischemic heart disease62%
- Heart failure53%
- Atrial fibrillation50%
- Chronic kidney disease50%
- Mood disorders49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gaffin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women44%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Neil Pa Gaffin wrote 270 Medicare Part D claims in 2024
In 2024, Dr. Gaffin wrote 270 Medicare Part D claims for 119 patients. 84% of them were for generic drugs. CMS names the drug for 204 of them, across 9 drugs with 11 or more claims each, at $154,995 in total drug cost. In 2023, CMS named 166 claims across 10 drugs.
Dr. Gaffin's Part D claims by kind of drug, 2024
- Generic228 claims84%
- Brand-name42 claims16%
Dr. Gaffin'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. Gaffin's Part D claims, 2024
- Antibiotics84%227 of 270 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: 1662024: 20423%
Drugs named by CMS: 9 in 2024, 10 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. Neil Pa Gaffin scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Gaffin for performance year 2024, reported through an alternative payment model (APM). Dr. Gaffin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gaffin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gaffin's MIPS scores, performance year 2024
- 95of 100Final score
- 85.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Neil Pa Gaffin received $6,377 in industry payments from 2017 to 2024
CMS Open Payments shows 9 general payments to Dr. Gaffin from 6 drug and device companies from 2017 to 2024. Honoraria make up the largest share, 47% of the total. Cepheid paid the most, $3,180.
General payments to Dr. Gaffin by program year, 2017 to 2024
General payments to Dr. Gaffin by kind, 2017 to 2024
- Honoraria$3,00047%
- Consulting fees$2,96346%
- Food and beverage$2814%
- Travel and lodging$1342%
Companies that paid Dr. Gaffin the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Neil Pa Gaffin graduated from Drexel University College of Medicine/Hahnemann University
Dr. Gaffin graduated from Drexel University College of Medicine/Hahnemann University in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Neil Pa Gaffin'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)Clinician Public Reporting: Overall MIPS Performance (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. Neil Pa Gaffin
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. Neil Pa Gaffin's NPI number?
Dr. Neil Pa Gaffin's NPI number is 1649259045. It was assigned on January 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Neil Pa Gaffin?
Dr. Neil Pa Gaffin is an infectious disease specialist in Paramus, New Jersey. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Neil Pa Gaffin practice?
Dr. Gaffin practices at 4 Valley Health Plaza, Paramus, NJ 07652. Dr. Gaffin's primary practice is The Valley Hospital in Paramus, New Jersey, part of Valley Health System. Dmand AI also links Dr. Gaffin to 1 group practice or clinic.
What is Dr. Neil Pa Gaffin's office phone number?
The practice phone on file for Dr. Gaffin is (201) 447-8000.
What is Dr. Neil Pa Gaffin's medical license number?
Dr. Gaffin holds New Jersey license MA71002.
Which hospitals is Dr. Neil Pa Gaffin affiliated with?
Dr. Gaffin practices at The Valley Hospital in Paramus, New Jersey.
What medical group is Dr. Neil Pa Gaffin part of?
Dr. Gaffin is linked to Ridgewood Infectious Disease Associates.
Does Dr. Neil Pa Gaffin accept Medicare?
Yes. CMS data shows Dr. Gaffin billed Medicare for 1,033 services in 2024, and Dr. Gaffin accepts Medicare assignment.
Does Dr. Neil Pa Gaffin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gaffin as offering telehealth services.
What is Dr. Neil Pa Gaffin's MIPS score?
Dr. Gaffin's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Neil Pa Gaffin see?
CMS counts 567 Medicare patients who saw Dr. Gaffin in 2024, with an average age of 79.
What services does Dr. Neil Pa Gaffin bill to Medicare?
In 2024, Dr. Gaffin's most billed Medicare services were hospital inpatient care (99222), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Neil Pa Gaffin go to medical school?
Dr. Gaffin graduated from Drexel University College of Medicine/Hahnemann University in 1993.
What drugs does Dr. Neil Pa Gaffin prescribe most?
In 2024 Medicare Part D data, Dr. Gaffin's most prescribed drugs by claims were Cefadroxil, Vancomycin HCl and Genvoya.
Has Dr. Neil Pa Gaffin received payments from drug or device companies?
CMS Open Payments shows $6,377 in general payments to Dr. Gaffin from 6 companies from 2017 to 2024. The largest total came from Cepheid.
How long has Dr. Neil Pa Gaffin been practicing?
Dr. Gaffin graduated from medical school in 1993, 33 years ago.
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