Anti-Bacterial AgentsGranulocyte Colony-Stimulating FactorMultiple Sclerosis
Nathan Petrou
NPI1437786100PAC ID7012373624
- Medicare services, 2024
- 1,571
- Medicare patients, 2024
- 212
- Part D claims, 2024
- 1,681
- Publications
- 3
- Hospital affiliations
- 3
- 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 Nathan Petrou'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.
Nathan Petrou is an internist in Auburndale, Massachusetts
Nathan Petrou practices at Atrius Health, Inc. in Auburndale, Massachusetts.
Nathan Petrou's NPI, 1437786100, was assigned on March 24, 2020. Nathan Petrou graduated from University of Massachusetts Medical School in 2020. Nathan Petrou holds Massachusetts license 1014906.
NPI and contact details
- NPI
- 1437786100NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012373624
- NPI enumeration date
- March 24, 2020
- 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
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nathan Petrou practices at Atrius Health, Inc. in Auburndale, Massachusetts
Nathan Petrou'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
Nathan Petrou is affiliated with 7 sites of care and 1 medical group
Nathan Petrou's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. Nathan Petrou is also affiliated with Brigham and Women's Hospital. The medical group on file is Atrius Health. Dmand AI also links Nathan Petrou to 2 more hospitals, 2 home health agencies and 1 group practice or clinic, each named with a free account.
Atrius Health, Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Nathan Petrou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathan Petrou practices, 6 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 |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Nathan Petrou is one of 5,528 internists in Massachusetts
Internal medicine is Nathan Petrou's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Nathan Petrou is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Nathan Petrou
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
Nathan Petrou billed Medicare for 1,571 services in 2024
CMS data shows 1,571 Medicare services from Nathan Petrou across 38 procedure codes in 2024, for 212 Medicare patients. Medicare paid $45,396 for them. Every service was in an office.
Medicare services, 20241,571
Medicare patients212
Paid by Medicare$45,396
Procedure codes38
Nathan Petrou's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 02024: 826
- Office and hospital visits
- 2023: 352024: 249611%
- Surgery
- 2023: 02024: 240
- Other services
- 2023: 02024: 197
- Tests and treatments
- 2023: 02024: 59
Nathan Petrou compared with the Massachusetts median for internists, 2024
- Nathan Petrou
- Massachusetts median
- Medicare services
- 1,571vs 4313.6 times
- Medicare patients
- 212vs 1949% above
- Part D claims
- 1,129vs 4022.8 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Nathan Petrou'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.
Need commercial claims for Nathan Petrou?
Medicare shows one payer. Book a meeting to get commercial claims data for Nathan Petrou and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Nathan Petrou treated 212 Medicare patients in 2024, average age 73
CMS counts 212 Medicare patients who saw Nathan Petrou in 2024. The largest group is 65 to 74, with 113 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nathan Petrou's median patient age at 63, with 38% women.
Medicare patients, 2024212
Average age73
Average risk score1.05
Also on Medicaid9%
Nathan Petrou's Medicare patients by age, 2024
Nathan Petrou's Medicare patients by sex, 2024
- Women8641%
- Men12659%
Chronic conditions among Nathan Petrou's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis42%
- Chronic kidney disease30%
- Diabetes28%
- Mood disorders24%
- Depression20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Nathan Petrou'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
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nathan Petrou wrote 1,681 Medicare Part D claims in 2024
In 2024, Nathan Petrou wrote 1,681 Medicare Part D claims for 301 patients. 90% of them were for generic drugs. CMS names the drug for 1,129 of them, across 40 drugs with 11 or more claims each, at $34,412 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Part D claims, 20241,681
Drugs named by CMS40
Total drug cost$34,412
Part D patients301
Nathan Petrou's Part D claims by kind of drug, 2024
- Generic1,508 claims90%
- Brand-name and other173 claims10%
Nathan Petrou'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 Nathan Petrou's Part D claims, 2024
- Opioids4%60 of 1,681 claims
- Antibiotics4%60 of 1,681 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 112024: 1,12910164%
Drugs named by CMS: 40 in 2024, 1 in 2021.
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
Nathan Petrou offers telehealth to Medicare patients
Nathan Petrou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Nathan Petrou as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Nathan Petrou has 3 publications on record
Dmand AI links 3 papers to Nathan Petrou in 2019. Nathan Petrou's most frequent co-authors are Zachary J. Cohn, Venu Gopal Bathini, MD and Bradford Gessner, MD.
Papers3
Nathan Petrou's most frequent co-authors
- Zachary J. Cohn2 shared papers
- Venu Gopal Bathini, MD1 shared paper
- Bradford Gessner, MD1 shared paper
Recent publications by Nathan Petrou
BabesiosisInfarctionSpleen
Emerg Infect Dis
AlgorithmsCost of IllnessDrug Prescriptions
See who Nathan Petrou researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Nathan Petrou works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Nathan Petrou graduated from University of Massachusetts Medical School
Nathan Petrou graduated from University of Massachusetts Medical School in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Nathan Petrou'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Nathan Petrou
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathan Petrou's NPI number?
Nathan Petrou's NPI number is 1437786100. It was assigned on March 24, 2020, and it is active in the NPI Registry.
What does Nathan Petrou specialize in?
Nathan Petrou is an internist in Auburndale, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Nathan Petrou practice?
Nathan Petrou practices at 275 Grove St, Auburndale, MA 02466. Nathan Petrou's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. Dmand AI also links Nathan Petrou to 2 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Nathan Petrou's office phone number?
The practice phone on file for Nathan Petrou is (617) 421-1000.
What is Nathan Petrou's medical license number?
Nathan Petrou holds Massachusetts license 1014906.
Which hospitals is Nathan Petrou affiliated with?
Nathan Petrou is affiliated with Brigham and Women's Hospital. Dmand AI links Nathan Petrou to 2 more hospitals.
What medical group is Nathan Petrou part of?
Nathan Petrou is linked to Atrius Health.
Does Nathan Petrou accept Medicare?
Yes. CMS data shows Nathan Petrou billed Medicare for 1,571 services in 2024, and Nathan Petrou accepts Medicare assignment.
Does Nathan Petrou offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Nathan Petrou as offering telehealth services.
How many Medicare patients does Nathan Petrou see?
CMS counts 212 Medicare patients who saw Nathan Petrou in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Nathan Petrou bill to Medicare?
In 2024, Nathan Petrou'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 Nathan Petrou go to medical school?
Nathan Petrou graduated from University of Massachusetts Medical School in 2020.
What drugs does Nathan Petrou prescribe most?
In 2024 Medicare Part D data, Nathan Petrou's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
How long has Nathan Petrou been practicing?
Nathan Petrou graduated from medical school in 2020, 6 years ago.
Does Nathan Petrou do research?
Dmand AI links 3 publications to Nathan Petrou.
Who does Nathan Petrou publish with?
Nathan Petrou's most frequent co-authors are Zachary J. Cohn (2 shared papers), Venu Gopal Bathini, MD (1 shared paper) and Bradford Gessner, MD (1 shared paper).
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