2026 NPPES data Psychiatry Physician NPI 1043307994 MD
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NICHOLE GRIER, MD

Psychiatry Physician in CHAPEL HILL, North Carolina. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
225
Medicare Part D claims · Psychiatry Physician avg: 1K
Generic prescribing
92%
generic claims · 8% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

NICHOLE GRIER, MD filed 225 Medicare Part D claims in 2023 as a Psychiatry Physician in CHAPEL HILL, North Carolina, prescribing 92% generic.

225
Part D claims, 2023
92%
generic prescribing

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

NICHOLE GRIER, MD's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

225 49th percentile higher than 49% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board-eligible specialty (heuristic — not verified)

NICHOLE GRIER, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about NICHOLE GRIER, MD?

Quality data not reported

NPI registry status

Active

Issued 10/10/2006

NPI 1043307994

Primary specialty

Psychiatry Physician

High-volume

53,104 US NPIs in this specialty

Medicare Part D claims

225 78% vs specialty avg

2023 prescription claims

Specialty avg: 1,038

Specialty distribution in North Carolina

How Psychiatry Physician compares to other specialties among North Carolina providers

North Carolina providers

Psychiatry Physician share within North Carolina

1. Psychiatry Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Psychiatry Physician share within North Carolina

Specialty board-certification context

Estimated specialty board-certified rate — Psychiatry Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Psychiatry Physician ABMS/AOA estimate

Est. board-certified rate (Psychiatry Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Psychiatry Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

NICHOLE GRIER, MD appears in the CMS NPPES registry as a Psychiatry Physician provider holding MD credentials at 101 MANNING DR, CHAPEL HILL, NC, 27599, with a listed phone of (919) 966-4131. NPI 1043307994 was issued on 10/10/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GRIER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 225 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $40K in drug spend, split 8% brand-name and 92% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Psychiatry Physician is a high-volume specialty nationwide, with 53,104 enrolled providers across 56 states and an average of 1,038 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

101 MANNING DR
CHAPEL HILL, NC 27599

Provider Details

NPI 1043307994
Specialty Psychiatry Physician
Credentials MD
Gender Female
NPI Issued 10/10/2006

Brand vs generic prescribing mix · Generic-heavy

NICHOLE GRIER, MD — brand share 8.0%
Specialty average (est.)

8% brand-name claims vs 92% generic, on 225 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

225
Total Claims
$40K
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
225
Total Day Supply
5,079
Brand vs Generic
8% brand / 92% generic
Brand Drug Cost
$31K
Generic Drug Cost
$8K

Patient Demographics

Average Patient Age
53.6 years
Avg HCC Risk Score
0.77

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What NICHOLE GRIER, MD prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Clozapine
47
Clonazepam
20
Lorazepam
18
Gabapentin
16
Benztropine Mesylate
13
Clozapine Odt
Clozapine
12
Risperidone
11
Sertraline Hcl
11

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Psychiatry Physician Overview

How NICHOLE GRIER, MD fits within the Psychiatry Physician landscape nationally.

53,104
Psychiatry Physician Providers in US
56
States with Psychiatry Physician
1,038
Avg Claims per Provider

NICHOLE GRIER, MD's 225 claims are below the specialty average of 1,038.

Nearby Psychiatry Physician Providers in North Carolina

Other clinicians with the same primary specialty enrolled in North Carolina, drawn from the same CMS NPPES roster as GRIER.

Compare Psychiatry Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is NICHOLE GRIER, MD's specialty?
NICHOLE GRIER, MD specializes in Psychiatry Physician and practices in CHAPEL HILL, North Carolina. Credentials: MD.
How much does NICHOLE GRIER, MD prescribe under Medicare Part D?
In 2023, NICHOLE GRIER, MD wrote 225 Medicare Part D claims totaling $40K in drug costs for N/A beneficiaries.
Where is NICHOLE GRIER, MD located?
NICHOLE GRIER, MD is located at 101 MANNING DR, CHAPEL HILL, NC, 27599. Phone: (919) 966-4131.
What is NICHOLE GRIER, MD's NPI number?
NICHOLE GRIER, MD's National Provider Identifier (NPI) is 1043307994, issued on 10/10/2006.
Does NICHOLE GRIER, MD prescribe more brand-name or generic drugs?
NICHOLE GRIER, MD's prescribing is 8% brand-name and 92% generic drugs by claim count, with $31K in brand drug costs.
How many Psychiatry Physician providers are there in the US?
There are 53,104 Psychiatry Physician providers across 56 states in the US. The average Psychiatry Physician provider writes 1,038 Medicare Part D claims per year.
What drugs does NICHOLE GRIER, MD prescribe most often?
Based on 2023 Medicare Part D data, NICHOLE GRIER, MD's most frequently prescribed drugs include Clozapine, Clonazepam, Lorazepam. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does NICHOLE GRIER, MD accept Medicare?
NICHOLE GRIER, MD appears in CMS Medicare data with 225 Part D claims and N/A Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify NICHOLE GRIER, MD's credentials?
NICHOLE GRIER, MD's NPI is 1043307994 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology