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Dr. Gregory Waser, MD
NPI1487648473
- Medicare services, 2021
- 1,045
- Part D claims, 2022
- 786
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $469
- Practice address
- 13695 Us Hwy 1, Sebastian, FL 32958
- Practice phone
- Call (772) 589-3187
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Waser'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. Gregory Waser is an internist in Sebastian, Florida
Dr. Waser practices at Orlando Health Sebastian River Hospital in Sebastian, Florida, part of Orlando Health.
Dr. Waser's NPI, 1487648473, was assigned on September 6, 2005. Dr. Waser graduated from Ross University School of Medicine in 1984. Dr. Waser holds Florida license ME50510.
NPI and contact details
- NPI
- 1487648473NPI Registry (opens in a new tab)
- NPI enumeration date
- September 6, 2005
- NPI status
- Active
- Practice phone
- (772) 589-3187
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory Waser practices at Orlando Health Sebastian River Hospital in Sebastian, Florida
Dr. Waser's primary practice is Orlando Health Sebastian River Hospital, at 13695 Us Hwy 1, Sebastian, FL 32958 in Indian River County. The practice phone is (772) 589-3187.
- Orlando Health Sebastian River Hospital13695 Us Hwy 1, Sebastian, FL 32958 · Indian River CountyPhone(772) 589-3187
Source: Dmand AI Affiliation Data
Dr. Gregory Waser is affiliated with 1 site of care and 1 medical group
Dr. Waser's primary practice is Orlando Health Sebastian River Hospital in Sebastian, Florida, part of Orlando Health. The medical group on file is Steward Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Waser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Waser practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orlando Health Sebastian River Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Waser is one of 9,009 internists in Florida
Internal medicine is Dr. Waser's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Waser's licenses on file in 4 states: Florida, New Jersey, Georgia and Pennsylvania.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- New Jersey license
- Georgia license
- Pennsylvania license
Internists near Dr. Waser
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
9,009internists in Florida17internists in Sebastian7internists at Orlando Health Sebastian River Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Waser billed Medicare for 1,045 services in 2021
CMS data shows 1,045 Medicare services from Dr. Waser across 6 procedure codes in 2021. Medicare paid $81,291 for them. Every service was in an office.
Medicare services, 20211,045
Paid by Medicare$81,291
Procedure codes6
Dr. Waser's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 9172021: 78714%
- Other services
- 2020: 1442021: 20945%
- Tests and treatments
- 2020: 682021: 4928%
- Lab and pathology
- 2020: 132021: 0100%
Dr. Waser compared with the Florida median for internists, 2021
- Dr. Waser
- Florida median
- Medicare services
- 1,045vs 55588% above
- Part D claims
- 786vs 46669% above
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Waser's most billed Medicare procedure codes, 2021
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. Waser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Waser and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Waser's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Waser's median patient age at 67, with 49% women.
Dr. Waser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women49%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Gregory Waser wrote 786 Medicare Part D claims in 2022
In 2022, Dr. Waser wrote 786 Medicare Part D claims. They cover 32 drugs, with $28,202 in total drug cost. In 2021, CMS named 6,489 claims across 129 drugs.
Part D claims, 2022786
Drugs named by CMS32
Total drug cost$28,202
Dr. Waser's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 6,4892022: 78688%
Drugs named by CMS: 32 in 2022, 129 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gregory Waser has 1 publication on record
Dmand AI links 1 paper to Dr. Waser. Dr. Waser's most frequent co-author is Michael Charles Snabes, MD.
Papers1
Dr. Waser's most frequent co-authors
Recent publications by Dr. Waser
See who Dr. Waser researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Waser works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Waser received $469 in industry payments from 2016 to 2019
CMS Open Payments shows 27 general payments to Dr. Waser from 11 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $114.
General payments to Dr. Waser by program year, 2016 to 2019
Companies that paid Dr. Waser the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Waser has 1 award and honors on record
Dmand AI lists 1 award for Dr. Waser.
Awards and honors for Dr. Waser
- Undated
- Compassionate Doctors
Source: Dmand AI Professional Profile Data
Dr. Gregory Waser graduated from Ross University School of Medicine
Dr. Waser graduated from Ross University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Gregory Waser accepts plans from 2 insurance carriers
Dr. Waser is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Waser accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Waser'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Gregory Waser
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. Gregory Waser's NPI number?
Dr. Gregory Waser's NPI number is 1487648473. It was assigned on September 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Waser?
Dr. Gregory Waser is an internist in Sebastian, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory Waser practice?
Dr. Waser practices at 13695 Us Hwy 1, Sebastian, FL 32958. Dr. Waser's primary practice is Orlando Health Sebastian River Hospital in Sebastian, Florida, part of Orlando Health.
What is Dr. Gregory Waser's office phone number?
The practice phone on file for Dr. Waser is (772) 589-3187.
What is Dr. Gregory Waser's medical license number?
Dr. Waser holds Florida license ME50510, one of the licenses on file in 4 states.
Which states has Dr. Gregory Waser been licensed in?
Dmand AI has state licenses on file for Dr. Waser in Florida (1987 to 2027), New Jersey, Georgia (2023 to 2025) and Pennsylvania (1987 to 1988).
Which hospitals is Dr. Gregory Waser affiliated with?
Dr. Waser practices at Orlando Health Sebastian River Hospital in Sebastian, Florida.
What medical group is Dr. Gregory Waser part of?
Dr. Waser is linked to Steward Medical Group.
Does Dr. Gregory Waser accept Medicare?
Yes. CMS data shows Dr. Waser billed Medicare for 1,045 services in 2021.
What services does Dr. Gregory Waser bill to Medicare?
In 2021, Dr. Waser's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
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Where did Dr. Gregory Waser go to medical school?
Dr. Waser graduated from Ross University School of Medicine in 1984.
What drugs does Dr. Gregory Waser prescribe most?
In 2022 Medicare Part D data, Dr. Waser's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Gregory Waser received payments from drug or device companies?
CMS Open Payments shows $469 in general payments to Dr. Waser from 11 companies from 2016 to 2019. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gregory Waser been practicing?
Dr. Waser graduated from medical school in 1984, 42 years ago.
Does Dr. Gregory Waser do research?
Dmand AI links 1 publication to Dr. Waser.
Who does Dr. Gregory Waser publish with?
Dr. Waser's most frequent co-authors are Michael Charles Snabes, MD (1 shared paper).
What insurance does Dr. Gregory Waser accept?
Dr. Waser is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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