Physician Profile
Unclaimed ProfileAbout CONSTANTINE
Gregory Constantine, MD is a hospitalist based in Bethesda, MD. Gregory is a 2013 graduate of University of Texas Medical School at San Antonio. Gregory is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Constantine specialise in?
Dr. Constantine is a hospitalist in Bethesda, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPITALIST”.
NPI registry
Where is Dr. Constantine located?
Dr. Constantine is listed at 10 CENTER DRIVE, Bethesda, MD 20814. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Constantine's phone number?
The number on file is (301) 761-7966. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Constantine?
Dr. Constantine's National Provider Identifier is 1881038107. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Constantine go to medical school?
Dr. Constantine attended University of Texas Medical School at San Antonio, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Constantine have?
Dr. Constantine has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Constantine do most often?
According to Medicare billing data, Dr. Constantine the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Constantine's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Constantine. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (301) 761-7966
- Email not available
Practice Locations
10 CENTER DRIVE
Bethesda, MD 20814
Procedures Most Often Billed to Medicare
131 services · 80 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
104 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hospitalists in Bethesda 8
Same specialty, same city.
Trained at University of Texas Medical School at San Antonio 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2013 at University of Texas Medical School at San Antonio 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.