Dr. Stephen Grant Wahlig, MD
- Medicare services, 2024
- 651
- Medicare patients, 2024
- 428
- MIPS score, 2024
- 97
- Hospital affiliations
- 5
- Industry payments
- $74
- Practice address
- 41 & 45 Mall Road, Burlington, MA 01803
- Practice phone
- Call (781) 744-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Stephen Grant Wahlig is an internist in Burlington, Massachusetts
Dr. Wahlig practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.
Dr. Wahlig's NPI, 1073170528, was assigned on May 21, 2019. Dr. Wahlig holds Iowa license R11480.
- NPI
- 1073170528NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517293012
- NPI enumeration date
- May 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 744-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Grant Wahlig practices at Lahey Clinic in Burlington, Massachusetts
Dr. Wahlig's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.
- Lahey Clinic41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100
Source: Dmand AI Affiliation Data
Dr. Stephen Grant Wahlig is affiliated with 5 sites of care and 4 medical groups
Dr. Wahlig's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dr. Wahlig is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Wahlig to 3 more hospitals and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Grant Wahlig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wahlig practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lahey Clinic | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen Grant Wahlig is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Wahlig's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wahlig is licensed in Iowa.
Specialties and state licenses
- Internal medicine, IowaPrimary
Internists near Dr. Wahlig
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. Stephen Grant Wahlig billed Medicare for 651 services in 2024
CMS data shows 651 Medicare services from Dr. Wahlig across 12 procedure codes in 2024, for 428 Medicare patients. Medicare paid $9,996 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Wahlig compared with the Massachusetts median for internists, 2024
- Dr. Wahlig
- Massachusetts median
- Medicare services
- 651vs 43151% above
- Medicare patients
- 428vs 1942.2 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Wahlig'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. Wahlig and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Grant Wahlig treated 428 Medicare patients in 2024, average age 72
CMS counts 428 Medicare patients who saw Dr. Wahlig in 2024. The largest group is 65 to 74, with 202 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.51, 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. Wahlig's median patient age at 71, with 50% women.
Dr. Wahlig's Medicare patients by age, 2024
Dr. Wahlig's Medicare patients by sex, 2024
- Women22853%
- Men20047%
Chronic conditions among Dr. Wahlig's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis74%
- Mood disorders40%
- Depression37%
- Anxiety34%
- Diabetes33%
- Osteoporosis32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wahlig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Grant Wahlig scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Wahlig for performance year 2024, reported as part of a group. Dr. Wahlig accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Wahlig's MIPS scores, performance year 2024
- 97of 100Final score
- 89.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
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. Stephen Grant Wahlig received $74 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Wahlig from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $74.
Companies that paid Dr. Wahlig the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen Grant Wahlig'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) |
| 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) |
| 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. Stephen Grant Wahlig
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. Stephen Grant Wahlig's NPI number?
Dr. Stephen Grant Wahlig's NPI number is 1073170528. It was assigned on May 21, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Grant Wahlig?
Dr. Stephen Grant Wahlig is an internist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Stephen Grant Wahlig practice?
Dr. Wahlig practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Wahlig's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Wahlig to 3 hospitals and 3 medical groups.
What is Dr. Stephen Grant Wahlig's office phone number?
The practice phone on file for Dr. Wahlig is (781) 744-5100.
What is Dr. Stephen Grant Wahlig's medical license number?
Dr. Wahlig holds Iowa license R11480.
Which hospitals is Dr. Stephen Grant Wahlig affiliated with?
Dr. Wahlig practices at Lahey Clinic in Burlington, Massachusetts. Dr. Wahlig is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Wahlig to 3 more hospitals.
What medical group is Dr. Stephen Grant Wahlig part of?
Dr. Wahlig is linked to Lahey Clinic. Dmand AI links Dr. Wahlig to 3 more medical groups.
Does Dr. Stephen Grant Wahlig accept Medicare?
Yes. CMS data shows Dr. Wahlig billed Medicare for 651 services in 2024, and Dr. Wahlig accepts Medicare assignment.
What is Dr. Stephen Grant Wahlig's MIPS score?
Dr. Wahlig's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen Grant Wahlig see?
CMS counts 428 Medicare patients who saw Dr. Wahlig in 2024, with an average age of 72.
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What services does Dr. Stephen Grant Wahlig bill to Medicare?
In 2024, Dr. Wahlig's most billed Medicare services were diagnostic imaging (72084), radiation oncology (77073) and diagnostic imaging (72082).
Has Dr. Stephen Grant Wahlig received payments from drug or device companies?
CMS Open Payments shows $74 in general payments to Dr. Wahlig from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Stephen Grant Wahlig been practicing?
Dr. Wahlig graduated from medical school in 2019, 7 years ago.
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