Samuel Rubinstein, M.D.
NPI 1023437811 · Internal Medicine Physician · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Rubinstein, M.D. is a Internal Medicine Physician provider in Chapel Hill, NC (NPI 1023437811).
Provider details
- NPI number
- 1023437811
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
996 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 336 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $91 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 185 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 147 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $62 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lenalidomide | 185 | 32 |
| Valacyclovir Hclbrand: Valacyclovir | 116 | 33 |
| Lenalidomidebrand: Revlimid | 75 | 16 |
| Pomalidomidebrand: Pomalyst | 67 | — |
| Dexamethasone | 53 | 18 |
| Gabapentin | 39 | 12 |
| Oxycodone Hcl | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$10,359 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-09
- Last updated
- 2020-06-05
- Certified
- 2020-06-05
Frequently asked questions
- What is Samuel Rubinstein's NPI number?
- Samuel Rubinstein's National Provider Identifier (NPI) is 1023437811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Rubinstein's specialty?
- Samuel Rubinstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Rubinstein located?
- Samuel Rubinstein's practice location on file with NPPES is Physicians Office Building Third Floor Cb 7305 170 Mann, Chapel Hill, NC 27599-0001.
- What is Samuel Rubinstein's phone number?
- The practice phone number listed in the NPPES registry for Samuel Rubinstein is (919) 966-4431.
- Does Samuel Rubinstein accept Medicare?
- Samuel Rubinstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Rubinstein's NPI active?
- Yes — Samuel Rubinstein's NPI (1023437811) is active in the NPPES registry as of the last update on 2020-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.