Mary Collins, NP
NPI 1821125220 · Family Nurse Practitioner · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Collins, NP is a Family Nurse Practitioner provider in Chapel Hill, NC (NPI 1821125220).
Provider details
- NPI number
- 1821125220
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 177118 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
227 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 140 | $63 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 51 | $94 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 36 | $91 |
Typical Medicare-allowed amounts for these services range $63–$94 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1830 Fordham Blvd Ste 100Chapel Hill, NC 27514-2301Phone: (919) 364-3312
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2023-07-31
- Certified
- 2023-07-31
Frequently asked questions
- What is Mary Collins's NPI number?
- Mary Collins's National Provider Identifier (NPI) is 1821125220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Collins's specialty?
- Mary Collins is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Collins located?
- Mary Collins's practice location on file with NPPES is 101 Manning Dr, Chapel Hill, NC 27599-0001.
- What is Mary Collins's phone number?
- The practice phone number listed in the NPPES registry for Mary Collins is (919) 966-4996.
- Does Mary Collins accept Medicare?
- Mary Collins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Collins's NPI active?
- Yes — Mary Collins's NPI (1821125220) is active in the NPPES registry as of the last update on 2023-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.