Dr. Stephen C. Kaplan, MD
- Medicare services, 2024
- 9,031
- Medicare patients, 2024
- 852
- Part D claims, 2024
- 16,661
- Hospital affiliations
- 5
- Industry payments
- $443
- Practice address
- 275 Grove St, Auburndale, MA 02466
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atrius Health, Inc.
Auburndale, Massachusetts
Find Dr. Kaplan'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. Stephen C. Kaplan is an internist in Auburndale, Massachusetts
Dr. Kaplan practices at Atrius Health, Inc. in Auburndale, Massachusetts.
Dr. Kaplan's NPI, 1629236849, was assigned on May 23, 2008. Dr. Kaplan graduated from Boston University School of Medicine in 2007. Dr. Kaplan holds Massachusetts license 232071.
- NPI
- 1629236849NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547452336
- NPI enumeration date
- May 23, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen C. Kaplan practices at Atrius Health, Inc. in Auburndale, Massachusetts
Dr. Kaplan's primary practice is Atrius Health, Inc., at 275 Grove St, Auburndale, MA 02466 in Middlesex County. The practice phone is (617) 421-1000.
- Atrius Health, Inc.275 Grove St, Auburndale, MA 02466 · Middlesex CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen C. Kaplan is affiliated with 14 sites of care and 1 medical group
Dr. Kaplan's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. Dr. Kaplan is also affiliated with Brigham and Women's Hospital. The medical group on file is Atrius Health. Dmand AI also links Dr. Kaplan to 4 more hospitals, 5 home health agencies, 2 hospices 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. Stephen C. Kaplan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaplan practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrius Health, Inc. | Available with a free account |
| +13 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen C. Kaplan is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Kaplan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kaplan is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Kaplan
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 C. Kaplan billed Medicare for 9,031 services in 2024
CMS data shows 9,031 Medicare services from Dr. Kaplan across 62 procedure codes in 2024, for 852 Medicare patients. Medicare paid $203,930 for them. Every service was in an office.
Dr. Kaplan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5,3042024: 5,2202%
- Office and hospital visits
- 2023: 1,3162024: 1,2356%
- Surgery
- 2023: 1,2922024: 1,2225%
- Other services
- 2023: 8102024: 8545%
- Tests and treatments
- 2023: 3412024: 50047%
Dr. Kaplan compared with the Massachusetts median for internists, 2024
- Dr. Kaplan
- Massachusetts median
- Medicare services
- 9,031vs 43121.0 times
- Medicare patients
- 852vs 1944.4 times
- Part D claims
- 15,812vs 40239.3 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Kaplan'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. Kaplan and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen C. Kaplan treated 852 Medicare patients in 2024, average age 75
CMS counts 852 Medicare patients who saw Dr. Kaplan in 2024. The largest group is 75 to 84, with 414 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kaplan's median patient age at 75, with 48% women.
Dr. Kaplan's Medicare patients by age, 2024
Dr. Kaplan's Medicare patients by sex, 2024
- Women41949%
- Men43351%
Chronic conditions among Dr. Kaplan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis41%
- Ischemic heart disease29%
- Anxiety25%
- Diabetes25%
- Mood disorders24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kaplan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen C. Kaplan wrote 16,661 Medicare Part D claims in 2024
In 2024, Dr. Kaplan wrote 16,661 Medicare Part D claims for 1,147 patients. 87% of them were for generic drugs. CMS names the drug for 15,812 of them, across 187 drugs with 11 or more claims each, at $1,368,798 in total drug cost. In 2023, CMS named 14,774 claims across 174 drugs.
Dr. Kaplan's Part D claims by kind of drug, 2024
- Generic14,502 claims87%
- Brand-name2,118 claims13%
- Other41 claims0%
Dr. Kaplan'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. Kaplan's Part D claims, 2024
- Opioids4%675 of 16,661 claims
- Antibiotics1%199 of 16,661 claims
- Antipsychotics, patients 65 and over0%71 of 16,661 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: 14,7742024: 15,8127%
Drugs named by CMS: 187 in 2024, 174 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. Stephen C. Kaplan offers telehealth to Medicare patients
Dr. Kaplan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kaplan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Stephen C. Kaplan received $443 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Kaplan from 3 drug and device companies from 2016 to 2025. Education make up the largest share, 65% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $286.
General payments to Dr. Kaplan by program year, 2016 to 2025
General payments to Dr. Kaplan by kind, 2016 to 2025
- Education$28665%
- Food and beverage$15735%
Companies that paid Dr. Kaplan 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. Stephen C. Kaplan graduated from Boston University School of Medicine
Dr. Kaplan graduated from Boston University School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen C. Kaplan'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) |
| 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. Stephen C. Kaplan
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 C. Kaplan's NPI number?
Dr. Stephen C. Kaplan's NPI number is 1629236849. It was assigned on May 23, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen C. Kaplan?
Dr. Stephen C. Kaplan is an internist in Auburndale, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Stephen C. Kaplan practice?
Dr. Kaplan practices at 275 Grove St, Auburndale, MA 02466. Dr. Kaplan's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. Dmand AI also links Dr. Kaplan to 4 hospitals, 5 home health agencies, 2 hospices and 1 group practice or clinic.
What is Dr. Stephen C. Kaplan's office phone number?
The practice phone on file for Dr. Kaplan is (617) 421-1000.
What is Dr. Stephen C. Kaplan's medical license number?
Dr. Kaplan holds Massachusetts license 232071.
Which hospitals is Dr. Stephen C. Kaplan affiliated with?
Dr. Kaplan is affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Kaplan to 4 more hospitals.
What medical group is Dr. Stephen C. Kaplan part of?
Dr. Kaplan is linked to Atrius Health.
Does Dr. Stephen C. Kaplan accept Medicare?
Yes. CMS data shows Dr. Kaplan billed Medicare for 9,031 services in 2024, and Dr. Kaplan accepts Medicare assignment.
Does Dr. Stephen C. Kaplan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kaplan as offering telehealth services.
How many Medicare patients does Dr. Stephen C. Kaplan see?
CMS counts 852 Medicare patients who saw Dr. Kaplan in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Stephen C. Kaplan bill to Medicare?
In 2024, Dr. Kaplan's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (80061).
Where did Dr. Stephen C. Kaplan go to medical school?
Dr. Kaplan graduated from Boston University School of Medicine in 2007.
What drugs does Dr. Stephen C. Kaplan prescribe most?
In 2024 Medicare Part D data, Dr. Kaplan's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Stephen C. Kaplan received payments from drug or device companies?
CMS Open Payments shows $443 in general payments to Dr. Kaplan from 3 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Stephen C. Kaplan been practicing?
Dr. Kaplan graduated from medical school in 2007, 19 years ago.
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