Dr. John A. Hefferon, MD
- Medicare services, 2024
- 11,773
- Medicare patients, 2024
- 562
- Part D claims, 2024
- 229
- MIPS score, 2024
- 95
- Hospital affiliations
- 5
- Practice address
- 259 E Erie St, Chicago, IL 60611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD
Acute Care Hospital outpatient department · Chicago, Illinois
Find Dr. Hefferon'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. John A. Hefferon is an orthopedic surgeon in Chicago, Illinois
Dr. Hefferon practices at Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois.
Dr. Hefferon's NPI, 1982677480, was assigned on February 7, 2006. Dr. Hefferon graduated from Northwestern University Feinberg Medical School in 1972. Dr. Hefferon holds Illinois license 036059012.
- NPI
- 1982677480NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173582525
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John A. Hefferon practices at Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois
Dr. Hefferon's primary practice is Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD, at 259 E Erie St, Chicago, IL 60611.
- Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD259 E Erie St, Chicago, IL 60611
Source: Dmand AI Affiliation Data
Dr. John A. Hefferon is affiliated with 7 sites of care and 1 medical group
Dr. Hefferon's primary practice is Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois. Dr. Hefferon is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Hefferon to 4 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Hefferon's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John A. Hefferon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hefferon practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John A. Hefferon is one of 849 orthopedic surgeons in Illinois
Orthopaedic surgery is Dr. Hefferon's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hefferon is licensed in Illinois.
Specialties and state licenses
- Orthopaedic surgery, IllinoisPrimary
Orthopedic surgeons near Dr. Hefferon
Counts of orthopedic surgeons 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. John A. Hefferon billed Medicare for 11,773 services in 2024
CMS data shows 11,773 Medicare services from Dr. Hefferon across 16 procedure codes in 2024, for 562 Medicare patients. Medicare paid $213,323 for them. Every service was in an office.
Dr. Hefferon's Medicare services by type, 2024
- Drugs given in the office9,739
- Office and hospital visits920
- Surgery714
- Imaging400
Dr. Hefferon compared with the Illinois median for orthopedic surgeons, 2024
- Dr. Hefferon
- Illinois median
- Medicare services
- 11,773vs 1,2509.4 times
- Medicare patients
- 562vs 29690% above
- Part D claims
- 182vs 12052% above
Medians across 741 orthopedic surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Hefferon'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John A. Hefferon treated 562 Medicare patients in 2024, average age 76
CMS counts 562 Medicare patients who saw Dr. Hefferon in 2024. The largest group is 75 to 84, with 239 patients. 75% of them have arthritis, and 74% have high cholesterol. 9% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hefferon's median patient age at 70, with 60% women.
Dr. Hefferon's Medicare patients by age, 2024
Dr. Hefferon's Medicare patients by sex, 2024
- Women33760%
- Men22540%
Chronic conditions among Dr. Hefferon's Medicare patients, 2024
- Arthritis75%
- High cholesterol74%
- High blood pressure62%
- Ischemic heart disease26%
- Cancer20%
- Osteoporosis20%
- Anxiety19%
- Diabetes18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hefferon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John A. Hefferon wrote 229 Medicare Part D claims in 2024
In 2024, Dr. Hefferon wrote 229 Medicare Part D claims for 130 patients. 99% of them were for generic drugs. CMS names the drug for 182 of them, across 4 drugs with 11 or more claims each, at $1,579 in total drug cost.
Dr. Hefferon's Part D claims by kind of drug, 2024
- Generic227 claims99%
- Brand-name and other2 claims1%
Dr. Hefferon'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. Hefferon's Part D claims, 2024
- Opioids16%36 of 229 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. John A. Hefferon 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. Hefferon for performance year 2024, reported through an alternative payment model (APM). Dr. Hefferon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hefferon's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 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. John A. Hefferon graduated from Northwestern University Feinberg Medical School
Dr. Hefferon graduated from Northwestern University Feinberg Medical School in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John A. Hefferon'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 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) |
| 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. John A. Hefferon
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. John A. Hefferon's NPI number?
Dr. John A. Hefferon's NPI number is 1982677480. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Hefferon?
Dr. John A. Hefferon is an orthopedic surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John A. Hefferon practice?
Dr. Hefferon practices at 259 E Erie St, Chicago, IL 60611. Dr. Hefferon's primary practice is Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois. Dmand AI also links Dr. Hefferon to 4 hospitals and 1 group practice or clinic.
What is Dr. John A. Hefferon's medical license number?
Dr. Hefferon holds Illinois license 036059012.
Which hospitals is Dr. John A. Hefferon affiliated with?
Dr. Hefferon is affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Hefferon to 4 more hospitals.
What medical group is Dr. John A. Hefferon part of?
Dr. Hefferon is linked to Northwestern Medical Faculty Foundation.
Does Dr. John A. Hefferon accept Medicare?
Yes. CMS data shows Dr. Hefferon billed Medicare for 11,773 services in 2024, and Dr. Hefferon accepts Medicare assignment.
What is Dr. John A. Hefferon's MIPS score?
Dr. Hefferon's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John A. Hefferon see?
CMS counts 562 Medicare patients who saw Dr. Hefferon in 2024, with an average age of 76.
What services does Dr. John A. Hefferon bill to Medicare?
In 2024, Dr. Hefferon's most billed Medicare services were injected or infused drug (J7318), injected or infused drug (J3301) and injected or infused drug (J7325).
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Where did Dr. John A. Hefferon go to medical school?
Dr. Hefferon graduated from Northwestern University Feinberg Medical School in 1972.
What drugs does Dr. John A. Hefferon prescribe most?
In 2024 Medicare Part D data, Dr. Hefferon's most prescribed drugs by claims were Diclofenac Sodium, Celecoxib and Methylprednisolone.
How long has Dr. John A. Hefferon been practicing?
Dr. Hefferon graduated from medical school in 1972, 54 years ago.
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