Stephen Greenstein
- Medicare services, 2018
- 487
- Part D claims, 2018
- 182
- Industry payments
- $272
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 77 E Irving Park Rd, Streamwood, IL 60107-2930
- Practice phone
- Call (630) 830-7400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
A. G. Lung Associates, PC
Physician office · Streamwood, Illinois
Find Stephen Greenstein'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.
Stephen Greenstein is a pulmonologist in Streamwood, Illinois
Stephen Greenstein practices at A. G. Lung Associates, PC in Streamwood, Illinois.
Stephen Greenstein's NPI, 1801820618, was assigned on July 10, 2006. Stephen Greenstein holds Illinois license 036051551.
- NPI
- 1801820618NPI Registry (opens in a new tab)
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Practice phone
- (630) 830-7400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Stephen Greenstein practices at A. G. Lung Associates, PC in Streamwood, Illinois
Stephen Greenstein's primary practice is A. G. Lung Associates, PC, at 77 E Irving Park Rd, Streamwood, IL 60107-2930. The practice phone is (630) 830-7400.
- A. G. Lung Associates, PC77 E Irving Park Rd, Streamwood, IL 60107-2930Phone(630) 830-7400
Source: Dmand AI Affiliation Data
Stephen Greenstein is affiliated with 2 sites of care and 1 medical group
Stephen Greenstein's primary practice is A. G. Lung Associates, PC in Streamwood, Illinois. The medical group on file is DuPage Medical Group. Dmand AI also links Stephen Greenstein to 1 more physician office, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Stephen Greenstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Greenstein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| A. G. Lung Associates, PC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephen Greenstein is one of 517 pulmonologists in Illinois
Pulmonary disease is Stephen Greenstein's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Stephen Greenstein is licensed in Illinois.
Specialties and state licenses
- Pulmonary disease, IllinoisPrimary
Pulmonologists near Stephen Greenstein
Counts of pulmonologists 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
Stephen Greenstein billed Medicare for 487 services in 2018
CMS data shows 487 Medicare services from Stephen Greenstein across 9 procedure codes in 2018. Medicare paid $32,502 for them.
Stephen Greenstein's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1,2742018: 44765%
- Tests and treatments
- 2017: 1702018: 4076%
- Surgery
- 2017: 192018: 0100%
Where Stephen Greenstein's Medicare services took place, 2018
- In an office8317%
- In a facility40483%
Stephen Greenstein compared with the Illinois median for pulmonologists, 2018
- Stephen Greenstein
- Illinois median
- Medicare services
- 487vs 76937% below
- Part D claims
- 182vs 49263% below
Medians across 522 pulmonologists in Illinois with Dmand AI profiles that report each measure.
Stephen Greenstein's most billed Medicare procedure codes, 2018
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 Stephen Greenstein and other pulmonologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Stephen Greenstein's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Stephen Greenstein's median patient age at 34, with 100% women.
Stephen Greenstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Stephen Greenstein wrote 182 Medicare Part D claims in 2018
In 2018, Stephen Greenstein wrote 182 Medicare Part D claims. They cover 10 drugs, with $36,481 in total drug cost. In 2017, CMS named 274 claims across 9 drugs.
Stephen Greenstein's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 2742018: 18234%
Drugs named by CMS: 10 in 2018, 9 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Stephen Greenstein received $272 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Stephen Greenstein from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $127.
General payments to Stephen Greenstein by program year, 2016 to 2025
Companies that paid Stephen Greenstein the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Stephen Greenstein'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Stephen Greenstein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen Greenstein's NPI number?
Stephen Greenstein's NPI number is 1801820618. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What does Stephen Greenstein specialize in?
Stephen Greenstein is a pulmonologist in Streamwood, Illinois. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Stephen Greenstein practice?
Stephen Greenstein practices at 77 E Irving Park Rd, Streamwood, IL 60107-2930. Stephen Greenstein's primary practice is A. G. Lung Associates, PC in Streamwood, Illinois. Dmand AI also links Stephen Greenstein to 1 physician office.
What is Stephen Greenstein's office phone number?
The practice phone on file for Stephen Greenstein is (630) 830-7400.
What is Stephen Greenstein's medical license number?
Stephen Greenstein holds Illinois license 036051551.
What medical group is Stephen Greenstein part of?
Stephen Greenstein is linked to DuPage Medical Group.
Does Stephen Greenstein accept Medicare?
Yes. CMS data shows Stephen Greenstein billed Medicare for 487 services in 2018.
What services does Stephen Greenstein bill to Medicare?
In 2018, Stephen Greenstein's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and hospital inpatient care (99223).
What drugs does Stephen Greenstein prescribe most?
In 2018 Medicare Part D data, Stephen Greenstein's most prescribed drugs by claims were Prednisone, Montelukast Sodium and Breo Ellipta.
Has Stephen Greenstein received payments from drug or device companies?
CMS Open Payments shows $272 in general payments to Stephen Greenstein from 5 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Stephen Greenstein been practicing?
Stephen Greenstein's NPI was assigned in 2006.
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