Dr. Gregory J. Bittle, MD
- Medicare services, 2023
- 32
- Publications
- 36
- Hospital affiliations
- 1
- Industry payments
- $1,057
- Medical group
- 1
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bittle'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 J. Bittle is a cardiothoracic surgeon in Baltimore, Maryland
Dr. Bittle practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Bittle's NPI, 1750721015, was assigned on July 2, 2013. Dr. Bittle graduated from University of Maryland School of Medicine in 2013. Dr. Bittle holds Maryland license D92182.
- NPI
- 1750721015NPI Registry (opens in a new tab)
- NPI enumeration date
- July 2, 2013
- NPI status
- Active
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory J. Bittle practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Bittle's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory J. Bittle is affiliated with 1 site of care and 1 medical group
Dr. Bittle's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. The medical group on file is University of Maryland Surgical Care.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory J. Bittle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bittle practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Maryland Medical System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory J. Bittle is one of 77 cardiothoracic surgeons in Maryland
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Bittle's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Bittle is licensed in Maryland.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), MarylandPrimary
Cardiothoracic surgeons near Dr. Bittle
Counts of cardiothoracic surgeons 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. Gregory J. Bittle billed Medicare for 32 services in 2023
CMS data shows 32 Medicare services from Dr. Bittle across 2 procedure codes in 2023, all of them office visits. Medicare paid $2,893 for them. Every service was in an office.
Dr. Bittle's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1032023: 3269%
Dr. Bittle compared with the Maryland median for cardiothoracic surgeons, 2023
- Dr. Bittle
- Maryland median
- Medicare services
- 32vs 18983% below
Medians across 66 cardiothoracic surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Bittle'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. Bittle?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bittle and other cardiothoracic surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory J. Bittle's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Bittle's median patient age at 69, with 0% women.
Dr. Bittle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory J. Bittle has 36 publications on record
Dmand AI links 36 papers to Dr. Bittle, published from 2013 to 2024. 2017 was the busiest year, with 3. The most frequent topics are Extracorporeal Membrane Oxygenation, Respiratory Distress Syndrome and Disease Models, Animal. Dr. Bittle has published most often in J Thorac Cardiovasc Surg. Dr. Bittle's most frequent co-authors are Zachary Nathan Kon, MD, Bartley Perry Griffith, MD and Mehrdad Ghoreishi, MD.
Dr. Bittle's papers by year, 2015 to 2024
Topics Dr. Bittle writes about most
- Extracorporeal Membrane Oxygenation
- Respiratory Distress Syndrome
- Disease Models, Animal
- Lung Transplantation
- Postoperative Complications
- Recovery of Function
- Stem Cells
- Vena Cava, Inferior
Dr. Bittle's most frequent co-authors
- Zachary Nathan Kon, MD14 shared papers
- Bartley Perry Griffith, MD11 shared papers
- Mehrdad Ghoreishi, MD7 shared papers
Recent publications by Dr. Bittle
J Cardiothorac Vasc Anesth
See who Dr. Bittle researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bittle works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory J. Bittle received $1,057 in industry payments from 2021 to 2024
CMS Open Payments shows 11 general payments to Dr. Bittle from 5 drug and device companies from 2021 to 2024. Travel and lodging make up the largest share, 63% of the total. Intuitive Surgical, Inc. paid the most, $809.
General payments to Dr. Bittle by program year, 2021 to 2024
General payments to Dr. Bittle by kind, 2021 to 2024
- Travel and lodging$66163%
- Food and beverage$39637%
Companies that paid Dr. Bittle the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory J. Bittle graduated from University of Maryland School of Medicine
Dr. Bittle graduated from University of Maryland School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory J. Bittle'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 |
| 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) |
| 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. Gregory J. Bittle
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 J. Bittle's NPI number?
Dr. Gregory J. Bittle's NPI number is 1750721015. It was assigned on July 2, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory J. Bittle?
Dr. Gregory J. Bittle is a cardiothoracic surgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Gregory J. Bittle practice?
Dr. Bittle practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Bittle's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
What is Dr. Gregory J. Bittle's office phone number?
The practice phone on file for Dr. Bittle is (410) 328-8667.
What is Dr. Gregory J. Bittle's medical license number?
Dr. Bittle holds Maryland license D92182.
Which hospitals is Dr. Gregory J. Bittle affiliated with?
Dr. Bittle practices at University of Maryland Medical Center in Baltimore, Maryland.
What medical group is Dr. Gregory J. Bittle part of?
Dr. Bittle is linked to University of Maryland Surgical Care.
Does Dr. Gregory J. Bittle accept Medicare?
Yes. CMS data shows Dr. Bittle billed Medicare for 32 services in 2023.
What services does Dr. Gregory J. Bittle bill to Medicare?
In 2023, Dr. Bittle's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Gregory J. Bittle go to medical school?
Dr. Bittle graduated from University of Maryland School of Medicine in 2013.
Show 4 more questionsShow fewer questions
Has Dr. Gregory J. Bittle received payments from drug or device companies?
CMS Open Payments shows $1,057 in general payments to Dr. Bittle from 5 companies from 2021 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Gregory J. Bittle been practicing?
Dr. Bittle graduated from medical school in 2013, 13 years ago.
Does Dr. Gregory J. Bittle do research?
Dmand AI links 36 publications to Dr. Bittle, published from 2013 to 2024.
Who does Dr. Gregory J. Bittle publish with?
Dr. Bittle's most frequent co-authors are Zachary Nathan Kon, MD (14 shared papers), Bartley Perry Griffith, MD (11 shared papers) and Mehrdad Ghoreishi, MD (7 shared papers).
Selling to thoracic surgery (cardiothoracic vascular surgery) practices?
See cardiothoracic surgeons in Maryland by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card