Dr. Philip J. Lahey IV, MD
- Medicare services, 2024
- 1,436
- Medicare patients, 2024
- 283
- Part D claims, 2024
- 121
- MIPS score, 2024
- 20
- Hospital affiliations
- 2
- Practice address
- 59 Quinsigamond Ave Suite 2 Suite 2, Worcester, MA 01610-1867
- Practice phone
- Call (508) 755-1559
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Worcester County Orthopedics
Surgical practice · Worcester, Massachusetts
Find Dr. Lahey'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. Philip J. Lahey IV is an orthopedic surgeon in Worcester, Massachusetts
Dr. Lahey practices at Worcester County Orthopedics in Worcester, Massachusetts.
Dr. Lahey's NPI, 1841313921, was assigned on April 6, 2007. Dr. Lahey graduated from Tufts University School of Medicine in 2006. Dr. Lahey holds Rhode Island license 13920.
- NPI
- 1841313921NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608023353
- NPI enumeration date
- April 6, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 755-1559
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Philip J. Lahey IV practices at Worcester County Orthopedics in Worcester, Massachusetts
Dr. Lahey's primary practice is Worcester County Orthopedics, at 59 Quinsigamond Ave Suite 2 Suite 2, Worcester, MA 01610-1867. The practice phone is (508) 755-1559.
- Worcester County Orthopedics59 Quinsigamond Ave Suite 2 Suite 2, Worcester, MA 01610-1867Phone(508) 755-1559
Source: Dmand AI Affiliation Data
Dr. Philip J. Lahey IV is affiliated with 5 sites of care and 1 medical group
Dr. Lahey's primary practice is Worcester County Orthopedics in Worcester, Massachusetts. Dr. Lahey is also affiliated with Saint Vincent Hospital. The medical group on file is Worcester County Orthopedics. Dmand AI also links Dr. Lahey to 1 more hospital and 2 home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Philip J. Lahey IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lahey practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Worcester County Orthopedics | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Philip J. Lahey IV is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Lahey's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Lahey is licensed in Rhode Island.
Specialties and state licenses
- Orthopaedic surgery, Rhode IslandPrimary
Orthopedic surgeons near Dr. Lahey
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. Philip J. Lahey IV billed Medicare for 1,436 services in 2024
CMS data shows 1,436 Medicare services from Dr. Lahey across 13 procedure codes in 2024, for 283 Medicare patients. Medicare paid $66,622 for them. Every service was in an office.
Dr. Lahey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4922024: 43811%
- Drugs given in the office
- 2023: 6142024: 39136%
- Surgery
- 2023: 4872024: 33831%
- Imaging
- 2023: 3442024: 26922%
Dr. Lahey compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Lahey
- Massachusetts median
- Medicare services
- 1,436vs 6722.1 times
- Medicare patients
- 283vs 3026% below
- Part D claims
- 89vs 5078% above
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lahey'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. Philip J. Lahey IV treated 283 Medicare patients in 2024, average age 74
CMS counts 283 Medicare patients who saw Dr. Lahey in 2024. The largest group is 65 to 74, with 131 patients. 75% of them have arthritis, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lahey's median patient age at 63, with 46% women.
Dr. Lahey's Medicare patients by age, 2024
Dr. Lahey's Medicare patients by sex, 2024
- Women14652%
- Men13748%
Chronic conditions among Dr. Lahey's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety29%
- Ischemic heart disease24%
- Mood disorders23%
- Diabetes21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lahey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Philip J. Lahey IV wrote 121 Medicare Part D claims in 2024
In 2024, Dr. Lahey wrote 121 Medicare Part D claims for 54 patients. 98% of them were for generic drugs. CMS names the drug for 89 of them, across 3 drugs with 11 or more claims each, at $276 in total drug cost. In 2023, CMS named 84 claims across 4 drugs.
Dr. Lahey's Part D claims by kind of drug, 2024
- Generic119 claims98%
- Brand-name and other2 claims2%
Dr. Lahey'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. Lahey's Part D claims, 2024
- Opioids24%29 of 121 claims
- Antibiotics35%42 of 121 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: 842024: 896%
Drugs named by CMS: 3 in 2024, 4 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. Philip J. Lahey IV scored 20 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 20 out of 100 for Dr. Lahey for performance year 2024, reported individually. Dr. Lahey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Lahey, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Lahey's MIPS scores, performance year 2024
- 20of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 66of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Lahey ranks in Medicare procedure volume
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 81st percentile11 procedures
- Knee replacement
- 37th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Philip J. Lahey IV received $4,274 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Lahey from 9 drug and device companies from 2016 to 2025. Education make up the largest share, 62% of the total. Kairos Surgical Inc paid the most, $2,397.
General payments to Dr. Lahey by program year, 2016 to 2025
General payments to Dr. Lahey by kind, 2016 to 2025
- Education$2,66662%
- Food and beverage$86120%
- Travel and lodging$74717%
Companies that paid Dr. Lahey the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Philip J. Lahey IV graduated from Tufts University School of Medicine
Dr. Lahey graduated from Tufts University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Philip J. Lahey IV'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)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. Philip J. Lahey IV
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. Philip J. Lahey IV's NPI number?
Dr. Philip J. Lahey IV's NPI number is 1841313921. It was assigned on April 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Philip J. Lahey IV?
Dr. Philip J. Lahey IV is an orthopedic surgeon in Worcester, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Philip J. Lahey IV practice?
Dr. Lahey practices at 59 Quinsigamond Ave Suite 2 Suite 2, Worcester, MA 01610-1867. Dr. Lahey's primary practice is Worcester County Orthopedics in Worcester, Massachusetts. Dmand AI also links Dr. Lahey to 1 hospital and 2 home health agencies.
What is Dr. Philip J. Lahey IV's office phone number?
The practice phone on file for Dr. Lahey is (508) 755-1559.
What is Dr. Philip J. Lahey IV's medical license number?
Dr. Lahey holds Rhode Island license 13920.
Which hospitals is Dr. Philip J. Lahey IV affiliated with?
Dr. Lahey is affiliated with Saint Vincent Hospital. Dmand AI links Dr. Lahey to 1 more hospital.
What medical group is Dr. Philip J. Lahey IV part of?
Dr. Lahey is linked to Worcester County Orthopedics.
Does Dr. Philip J. Lahey IV accept Medicare?
Yes. CMS data shows Dr. Lahey billed Medicare for 1,436 services in 2024, and Dr. Lahey accepts Medicare assignment.
What is Dr. Philip J. Lahey IV's MIPS score?
Dr. Lahey's MIPS final score for performance year 2024 is 20 out of 100, reported individually.
How many Medicare patients does Dr. Philip J. Lahey IV see?
CMS counts 283 Medicare patients who saw Dr. Lahey in 2024, with an average age of 74.
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What services does Dr. Philip J. Lahey IV bill to Medicare?
In 2024, Dr. Lahey's most billed Medicare services were surgery: bones and joints (20610), office visit, established patient (99213) and injected or infused drug (J7321).
Where did Dr. Philip J. Lahey IV go to medical school?
Dr. Lahey graduated from Tufts University School of Medicine in 2006.
What drugs does Dr. Philip J. Lahey IV prescribe most?
In 2024 Medicare Part D data, Dr. Lahey's most prescribed drugs by claims were Amoxicillin, Diclofenac Sodium and Oxycodone HCl.
Has Dr. Philip J. Lahey IV received payments from drug or device companies?
CMS Open Payments shows $4,274 in general payments to Dr. Lahey from 9 companies from 2016 to 2025. The largest total came from Kairos Surgical Inc.
How long has Dr. Philip J. Lahey IV been practicing?
Dr. Lahey graduated from medical school in 2006, 20 years ago.
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