Sydney Greenberg
Internal Medicine Physician · Chapel Hill, NC
Sydney Greenberg is an internal medicine physician with a practice address in Chapel Hill, North Carolina, and NPI 1114451101, issued on Apr 17, 2017. Check the license (North Carolina 227037, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sydney Greenberg
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 227037 NC
Self-reported in NPPES; status is on the state search - Practice location
- 130 Mason Farm RD, Chapel Hill, NC 27599
- Phone
- (919) 966-3997
- Enumerated
- Apr 17, 2017
- Record last updated
- May 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (984) 974-3414
- Medicare enrollment
- Enrolled (PECOS I20200714002043); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 130 Mason Farm RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Charles Baumann, MDStudent in an Organized Health Care Education/Training Program1114509106
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- Lydia Chang, M.D.Pulmonary Disease Physician1972570141
- Bailee Cummings, MD, MPHInfectious Disease Physician1366147449
Verify Sydney Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 227037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
127 Medicare Part D claims for 53 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Omeprazole34 claims
- Motegrity17 claims
- Linzess11 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.
Industry payments in 2024: $831.67
10 payments; by number, the most common kind was travel and lodging; the largest payer was Olympus Corporation of the Americas. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF North Carolina AT Chapel HillChapel Hill, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney Greenberg among 4,056 internal medicine physician records in North Carolina
Sydney Greenberg is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2017 · median 2004 among the 2,706 with a school on file
- Record last updated2021 · 48% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
219 internal medicine physician records list a practice address in Chapel Hill
They are 219 of the 7,608 NPPES records with a practice address in Chapel Hill, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Chapel Hill → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marco Aleman, MDChapel Hill, NC 275991275558520
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- Paul Chelminski, MDChapel Hill, NC 275991609891969
- Cristin Colford, MDChapel Hill, NC 275991801829478
- Darren Dewalt, MDChapel Hill, NC 275991962435537
- James Evans, MDChapel Hill, NC 275991932124203
- Russell Harris, MDChapel Hill, NC 275991083639355
- Thomas Keyserling, MDChapel Hill, NC 275991336164615
Common questions
What is Sydney Greenberg's NPI number?
Sydney Greenberg's National Provider Identifier (NPI) is 1114451101, issued on Apr 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Greenberg located?
The NPPES record lists a practice address at 130 Mason Farm RD, Chapel Hill, NC, 27599. Phone: (919) 966-3997. Providers update this record themselves, so call before visiting.
How can I verify Sydney Greenberg's license?
NPPES lists North Carolina license number 227037, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sydney Greenberg prescribe under Medicare Part D?
In 2024, Sydney Greenberg had 127 Medicare Part D claims for 53 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.