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SAMUEL MATTHEW RUBINSTEIN M.D.
NPI 1023437811
Internal Medicine in Chapel Hill, NC

Active since April 09, 2014PECOS EnrolledAccepts Medicare Assignment
PHYSICIANS OFFICE BUILDING THIRD FLOOR CB 7305 170 MANN, CHAPEL HILL, NC 27599(919) 966-4431 Get Directions Write a Review

NPPES record last updated: June 5, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Samuel Matthew Rubinstein M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAMUEL MATTHEW RUBINSTEIN M.D. (NPI 1023437811) is an individual internal medicine provider in Chapel Hill, North Carolina, licensed in Tennessee (54283) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1023437811
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSAMUEL MATTHEW RUBINSTEINCredential: M.D.
Location AddressPHYSICIANS OFFICE BUILDING THIRD FLOOR CB 7305 170 MANNChapel Hill, NC 27599-0001
Mailing Address121 E Lynch StDurham, NC 27701-1959 · (847) 530-0051
Phone(919) 966-4431
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 9, 2014
Last NPPES UpdateJune 5, 2020
NPPES CertifiedJune 5, 2020
✔ NPI 1023437811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · 54283
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
PHYSICIANS OFFICE BUILDING THIRD FLOOR CB 7305 170 MANN, Chapel Hill, NC 27599
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Samuel Matthew Rubinstein M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486958311
PECOS Enrollment IDI20200728002190
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Samuel Rubinstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of North Carolina At Chapel Hill
11 mi
Anesthesiology
101 MANNING DR
Chapel Hill, NC 27514
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,797 clinicians in this Medicare group
NPI 1780669200 (984) 974-1000
Vanderbilt University Medical Center
431 mi
Internal Medicine
1301 22ND AVE S
Nashville, TN 37232
  • Reassigned Medicare billing, Tennessee enrollment
  • 4,711 clinicians in this Medicare group
NPI 1104202761 (615) 936-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
205 services77 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
185 services46 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
147 services60 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
39 services34 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
22 services22 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unc Hospitals

Acute Care Hospitals · Chapel Hill, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340061
Location101 Manning DriveChapel Hill, NC 27514 · Orange County
Emergency services Birthing friendly

Rex Hospital

Acute Care Hospitals · Raleigh, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340114
Location4420 Lake Boone TrailRaleigh, NC 27607 · Wake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27599 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Samuel Rubinstein's NPI number?

The NPI number for Samuel Rubinstein is 1023437811. It was assigned to this individual provider in the NPPES registry on April 9, 2014.

Where is Samuel Rubinstein located?

Samuel Rubinstein practices at Physicians Office Building Third Floor Cb 7305 170 Mann, Chapel Hill, NC 27599. The listed phone number is (919) 966-4431.

What is Samuel Rubinstein's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Samuel Rubinstein enrolled in Medicare?

Yes. Samuel Rubinstein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Samuel Rubinstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Rubinstein reassigns Medicare benefits to 2 organizations: University Of North Carolina At Chapel Hill (Chapel Hill, NC) and Vanderbilt University Medical Center (Nashville, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samuel Rubinstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samuel Rubinstein accept?

Health plans from UnitedHealthcare list Samuel Rubinstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Samuel Rubinstein affiliated with any hospitals?

According to CMS data, Samuel Rubinstein is affiliated with Unc Hospitals and Rex Hospital.

When was this NPI record last updated?

The NPPES record for Samuel Rubinstein was last updated on June 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.