Robert C. Giacobbe, D.O.
Internal Medicine Physician · Port Jefferson Station, NY
Robert C. Giacobbe, D.O. is an internal medicine physician with a practice address in Port Jefferson Station, New York, and NPI 1154394930, issued on Feb 10, 2006. Check the license (New York 1888891, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Robert C. Giacobbe
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1888891 NY
Self-reported in NPPES; status is on the state search - Practice location
- 9 Medical Dr, Port Jefferson Station, NY 11776
- Phone
- (631) 473-3900
- Enumerated
- Feb 10, 2006
- Record last updated
- Sep 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (631) 474-4475
- Medicare enrollment
- Enrolled (PECOS I20040317000999); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 9 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Fruth Giacobbe, D.O.Internal Medicine Physician1417920208
Verify Robert C. Giacobbe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 1888891Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average internal medicine physician in 2024
4,679 Medicare Part D claims for 630 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium399 claims
- Levothyroxine Sodium197 claims
- Amlodipine Besylate183 claims
- Omeprazole166 claims
- Lisinopril154 claims
- Metformin Hcl145 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Harbor View Medical Services PCPort Jefferson, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert C. Giacobbe among 12,067 internal medicine physician records in New York
Robert C. Giacobbe, D.O. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1990 · median 2002 among the 7,221 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in Port Jefferson Station
They are 16 of the 951 NPPES records with a practice address in Port Jefferson Station, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Port Jefferson Station → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Denise Abselet, DOPort Jefferson Station, NY 117761780770131
- Matias Dcosta, MDPort Jefferson Station, NY 117761053374827
- Christine Fruth Giacobbe, D.O.Port Jefferson Station, NY 117761417920208
- Deepti Gupta, M.D.Port Jefferson Station, NY 117761619936069
- Siva Kolupoti, M.DPort Jefferson Station, NY 117761609809102
- Michael Mendelson, M.D.Port Jefferson Station, NY 117761043323835
- Robert Mormando, D.O.Port Jefferson Station, NY 117761306816129
- John Ricciardelli, M.D.Port Jefferson Station, NY 117761497729099
Common questions
What is Robert C. Giacobbe, D.O.'s NPI number?
Robert C. Giacobbe, D.O.'s National Provider Identifier (NPI) is 1154394930, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert C. Giacobbe, D.O. located?
The NPPES record lists a practice address at 9 Medical Dr, Port Jefferson Station, NY, 11776. Phone: (631) 473-3900. Providers update this record themselves, so call before visiting.
How can I verify Robert C. Giacobbe, D.O.'s license?
NPPES lists New York license number 1888891, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert C. Giacobbe, D.O. prescribe under Medicare Part D?
In 2024, Robert C. Giacobbe, D.O. had 4,679 Medicare Part D claims for 630 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert C. Giacobbe, D.O.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.