2026 NPPES data Hematology & Oncology Physician NPI 1669714960 MD
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Emily Ray, MD

Hematology & Oncology Physician in Chapel Hill, North Carolina. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers — including 11,215 in Hematology & Oncology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration — see our methodology.

Federal data — no proprietary rating. We show these CMS records as-is — no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
374
Medicare Part D claims · 98 beneficiaries · Hematology & Oncology Physician avg: 847
Generic prescribing
94%
generic claims · 6% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$350
1 payments · CMS Open Payments (Sunshine Act)
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Emily Ray, MD filed 374 Medicare Part D claims in 2023 as a Hematology & Oncology Physician in Chapel Hill, North Carolina, prescribing 94% generic.

374
Part D claims, 2023
94%
generic prescribing
Likely
board-certified (heuristic)

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.

Emily Ray, MD's Medicare Part D volume vs every U.S. prescriber

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

374 Top 43% higher than 57% 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 certification likely (heuristic — not verified)

Emily Ray, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Emily Ray, MD?

Quality data not reported

NPI registry status

Active

Issued 03/25/2013

NPI 1669714960

Primary specialty

Hematology & Oncology Physician

Mid-sized

11,215 US NPIs in this specialty

Medicare Part D claims

374 56% vs specialty avg

2023 prescription claims

Specialty avg: 847

Specialty distribution in North Carolina

How Hematology & Oncology Physician compares to other specialties among North Carolina providers

North Carolina providers

Largest specialties in North Carolina (% of in-state providers)

Clinical Social Worker — 7.1%Clinical Social Worker7.1%Behavior Technician — 6.4%Behavior Technician6.4%Pharmacist — 5%Pharmacist5%Student in an Organized Health Care Education/Training Program — 4.5%Student in an Organized Health Care Education/Training Program4.5%Physical Therapist — 4.3%Physical Therapist4.3%Physician Assistant — 4.2%Physician Assistant4.2%Hematology & Oncology Physician — 0.2%Hematology & Oncology Physician0.2%
Largest specialties in North Carolina (% of in-state providers)

Specialty board-certification context

Estimated specialty board-certified rate — Hematology & Oncology Physician (ABMS / AOA reference)

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

Est. board-certified rate (Hematology & Oncology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Hematology & Oncology 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).

Emily Ray, MD appears in the CMS NPPES registry as a Hematology & Oncology Physician provider holding MD credentials at 101 MANNING DRIVE, Chapel Hill, NC, 27599, with a listed phone of (984) 974-0000. NPI 1669714960 was issued on 03/25/2013. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Ray 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 374 prescription claims written by this provider, covering 98 Medicare beneficiaries and totaling roughly $236K in drug spend, split 6% brand-name and 94% 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.

Hematology & Oncology Physician is a mid-sized specialty nationwide, with 11,215 enrolled providers across 54 states and an average of 847 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 DRIVE
Chapel Hill, NC 27599

Provider Details

NPI 1669714960
Specialty Hematology & Oncology Physician
Credentials MD
Gender Female
NPI Issued 03/25/2013

Hospital and facility affiliations

Facilities where Emily Ray, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

University OF North Carolina AT Chapel Hill
Chapel Hill, NC

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Emily Ray, MD. Source: openpaymentsdata.cms.gov.

Total received

$350

Largest payer

AstraZeneca Pharmaceuticals LP

Most common payment type

Grant

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Generic-heavy

Emily Ray, MD — brand share 6.0%
Hematology & Oncology Physician average

6% brand-name claims vs 94% generic, on 374 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.

374
Total Claims
$236K
Total Drug Cost
98
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
835
Total Day Supply
23,784
Brand vs Generic
6% brand / 94% generic
Brand Drug Cost
$138K
Generic Drug Cost
$98K

Patient Demographics

Average Patient Age
71.0 years
Avg HCC Risk Score
1.65

Top Prescribed Drugs (Medicare Part D)

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

What Emily Ray, 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
Letrozole
141
Alendronate Sodium
45
Ondansetron Hcl
25
Anastrozole
15
Tamoxifen Citrate
15
Prochlorperazine Maleate
14
Verzenio
Abemaciclib
12
Lapatinib
Lapatinib Ditosylate
11

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

Hematology & Oncology Physician Overview

How Emily Ray, MD fits within the Hematology & Oncology Physician landscape nationally.

11,215
Hematology & Oncology Physician Providers in US
54
States with Hematology & Oncology Physician
847
Avg Claims per Provider

Emily Ray, MD's 374 claims are below the specialty average of 847.

Nearby Hematology & Oncology Physician Providers in North Carolina

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

Compare Hematology & Oncology Physician nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry — providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the North Carolina medical board — federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Hematology & Oncology Physician peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only — they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Emily Ray, MD's specialty?
Emily Ray, MD specializes in Hematology & Oncology Physician and practices in Chapel Hill, North Carolina. Credentials: MD.
How much does Emily Ray, MD prescribe under Medicare Part D?
In 2023, Emily Ray, MD wrote 374 Medicare Part D claims totaling $236K in drug costs for 98 beneficiaries.
Where is Emily Ray, MD located?
Emily Ray, MD is located at 101 MANNING DRIVE, Chapel Hill, NC, 27599. Phone: (984) 974-0000.
What is Emily Ray, MD's NPI number?
Emily Ray, MD's National Provider Identifier (NPI) is 1669714960, issued on 03/25/2013.
Does Emily Ray, MD prescribe more brand-name or generic drugs?
Emily Ray, MD's prescribing is 6% brand-name and 94% generic drugs by claim count, with $138K in brand drug costs.
How many Hematology & Oncology Physician providers are there in the US?
There are 11,215 Hematology & Oncology Physician providers across 54 states in the US. The average Hematology & Oncology Physician provider writes 847 Medicare Part D claims per year.
What drugs does Emily Ray, MD prescribe most often?
Based on 2023 Medicare Part D data, Emily Ray, MD's most frequently prescribed drugs include Letrozole, Alendronate Sodium, Ondansetron Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Emily Ray, MD accept Medicare?
Emily Ray, MD appears in CMS Medicare data with 374 Part D claims and 98 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Emily Ray, MD's credentials?
Emily Ray, MD's NPI is 1669714960 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

Compiled from official public sources by the PlainDoctor editorial team.