Dr. Gary M. Greenberg, MD
- Medicare services, 2023
- 1,629
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 652
- Hospital affiliations
- 3
- Industry payments
- $1,300
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
Find Dr. Greenberg'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. Gary M. Greenberg is a cardiologist in Portland, Oregon
Dr. Greenberg practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Greenberg's NPI, 1720070683, was assigned on August 17, 2005. Dr. Greenberg graduated from University of Wisconsin-Madison in 1985. Dr. Greenberg's Oregon license number on file is MD14811.
- NPI
- 1720070683NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971683517
- NPI enumeration date
- August 17, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary M. Greenberg practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Greenberg's primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary M. Greenberg is affiliated with 5 sites of care and 1 medical group
Dr. Greenberg's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dr. Greenberg is also affiliated with Kaiser Permanente Sunnyside Medical Center. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Greenberg to 2 more hospitals 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. Gary M. Greenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenberg practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | 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. Gary M. Greenberg is one of 233 cardiologists in Oregon
Cardiovascular disease is Dr. Greenberg's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Greenberg is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Greenberg's licenses on file in 4 states: Oregon, Washington, New Mexico and Utah.
Specialties and state licenses
- Cardiovascular disease, OregonPrimary
- Washington license
- New Mexico license
- Utah license
Clinical focus
Dmand AI lists aneurysm, aortic atherosclerois, atrial fibrillation and flutter, cardiomyopathy, cerebrovascular disease, chronic hypertension, chronic skin ulcer and coronary artery disease among the conditions Dr. Greenberg treats.
Cardiologists near Dr. Greenberg
Counts of cardiologists 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. Gary M. Greenberg billed Medicare for 1,629 services in 2023
CMS data shows 1,629 Medicare services from Dr. Greenberg across 9 procedure codes in 2023, for 17 Medicare patients. Medicare paid $58,711 for them.
Dr. Greenberg's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 1,7482023: 1,19931%
- Office and hospital visits
- 2022: 5552023: 35935%
- Other services
- 2022: 522023: 496%
- Surgery
- 2022: 242023: 228%
Where Dr. Greenberg's Medicare services took place, 2023
- In an office1,51793%
- In a facility1127%
Dr. Greenberg compared with the Oregon median for cardiologists, 2023
- Dr. Greenberg
- Oregon median
- Medicare services
- 1,629vs 1,19736% above
- Medicare patients
- 17vs 75298% below
- Part D claims
- 542vs 1,60966% below
Medians across 234 cardiologists in Oregon with Dmand AI profiles that report each measure.
Dr. Greenberg's most billed Medicare procedure codes, 2023
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 Dr. Greenberg?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenberg and other cardiologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary M. Greenberg treated 17 Medicare patients in 2024, average age 69
CMS counts 17 Medicare patients who saw Dr. Greenberg in 2024. 65% of them have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greenberg's median patient age at 57, with 59% women.
Chronic conditions among Dr. Greenberg's Medicare patients, 2024
- High blood pressure65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary M. Greenberg wrote 652 Medicare Part D claims in 2024
In 2024, Dr. Greenberg wrote 652 Medicare Part D claims for 284 patients. 88% of them were for generic drugs. CMS names the drug for 542 of them, across 19 drugs with 11 or more claims each, at $55,529 in total drug cost. In 2023, CMS named 3,646 claims across 41 drugs.
Dr. Greenberg's Part D claims by kind of drug, 2024
- Generic574 claims88%
- Brand-name78 claims12%
Dr. Greenberg'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,6462024: 54285%
Drugs named by CMS: 19 in 2024, 41 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
How Dr. Gary M. Greenberg takes part in Medicare
Dr. Greenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gary M. Greenberg received $1,300 in industry payments from 2016 to 2023
CMS Open Payments shows 26 general payments to Dr. Greenberg from 12 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Haemonetics Corporation paid the most, $382.
General payments to Dr. Greenberg by program year, 2016 to 2023
Companies that paid Dr. Greenberg the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary M. Greenberg has 1 award and honors on record
Dmand AI lists 1 award for Dr. Greenberg.
Awards and honors for Dr. Greenberg
- Undated
- ACC Fellow
Source: Dmand AI Professional Profile Data
Dr. Gary M. Greenberg graduated from University of Wisconsin-Madison
Dr. Greenberg graduated from University of Wisconsin-Madison in 1985. Dr. Greenberg is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gary M. Greenberg accepts plans from 5 insurance carriers
Dr. Greenberg is in network with 5 carriers, including Elevance, Excellus BlueCross BlueShield and Kaiser Permanente. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- Kaiser Permanente
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Greenberg accepts, by number of carriers
- Medicare4
- PPO3
- EPO2
- HMO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gary M. Greenberg'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gary M. Greenberg
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. Gary M. Greenberg's NPI number?
Dr. Gary M. Greenberg's NPI number is 1720070683. It was assigned on August 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary M. Greenberg?
Dr. Gary M. Greenberg is a cardiologist in Portland, Oregon. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Gary M. Greenberg practice?
Dr. Greenberg practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Greenberg's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Greenberg to 2 hospitals and 1 group practice or clinic.
What is Dr. Gary M. Greenberg's office phone number?
The practice phone on file for Dr. Greenberg is (503) 813-2440.
What is Dr. Gary M. Greenberg's medical license number?
Dr. Greenberg's Oregon license number on file is MD14811, one of the licenses on file in 4 states.
Which states has Dr. Gary M. Greenberg been licensed in?
Dmand AI has state licenses on file for Dr. Greenberg in Oregon (1986 to 2025), Washington (2011 to 2026), New Mexico (1991 to 1996) and Utah (1988 to 1992).
Which hospitals is Dr. Gary M. Greenberg affiliated with?
Dr. Greenberg is affiliated with Kaiser Permanente Sunnyside Medical Center. Dmand AI links Dr. Greenberg to 2 more hospitals.
What medical group is Dr. Gary M. Greenberg part of?
Dr. Greenberg is linked to Kaiser Permanente Northwest.
Does Dr. Gary M. Greenberg accept Medicare?
Yes. CMS data shows Dr. Greenberg billed Medicare for 1,629 services in 2023, and Dr. Greenberg accepts Medicare assignment.
How many Medicare patients does Dr. Gary M. Greenberg see?
CMS counts 17 Medicare patients who saw Dr. Greenberg in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
Is Dr. Gary M. Greenberg board certified?
Yes. Dr. Greenberg is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Gary M. Greenberg bill to Medicare?
In 2023, Dr. Greenberg's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93005).
Where did Dr. Gary M. Greenberg go to medical school?
Dr. Greenberg graduated from University of Wisconsin-Madison in 1985.
What drugs does Dr. Gary M. Greenberg prescribe most?
In 2024 Medicare Part D data, Dr. Greenberg's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Gary M. Greenberg received payments from drug or device companies?
CMS Open Payments shows $1,300 in general payments to Dr. Greenberg from 12 companies from 2016 to 2023. The largest total came from Haemonetics Corporation.
How long has Dr. Gary M. Greenberg been practicing?
Dr. Greenberg graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Gary M. Greenberg accept?
Dr. Greenberg is in network with 5 carriers, including Elevance, Excellus BlueCross BlueShield and Kaiser Permanente. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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