Mark Farber, MD
NPI 1770677890 · Vascular Surgery Physician · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Farber, MD is a Vascular Surgery Physician provider in Chapel Hill, NC (NPI 1770677890).
Provider details
- NPI number
- 1770677890
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9600909 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 190 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $61 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 93 | $31 |
| Complete Ultrasound of Abdomen and Pelvis Artery and Vein Blood Flow93975 | 93 | $51 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 74 | $19 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 54 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38,917 across 49 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
- 2006-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Farber's NPI number?
- Mark Farber's National Provider Identifier (NPI) is 1770677890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Farber's specialty?
- Mark Farber is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Farber located?
- Mark Farber's practice location on file with NPPES is 101 Manning Dr, Chapel Hill, NC 27599-0001.
- What is Mark Farber's phone number?
- The practice phone number listed in the NPPES registry for Mark Farber is (919) 966-8596.
- Does Mark Farber accept Medicare?
- Mark Farber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Farber's NPI active?
- Yes — Mark Farber's NPI (1770677890) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.