2026 NPPES data Allergy & Immunology Physician NPI 1669821187 DO
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REENA PATEL, DO

Allergy & Immunology Physician in MEMPHIS, Tennessee. 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
1K
Medicare Part D claims · 196 beneficiaries · Allergy & Immunology Physician avg: 764
Generic prescribing
58%
generic claims · 42% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$30.5K
142 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

REENA PATEL, DO filed 1,023 Medicare Part D claims in 2023 as a Allergy & Immunology Physician in MEMPHIS, Tennessee, prescribing 58% generic.

1K
Part D claims, 2023
58%
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.

REENA PATEL, DO's Medicare Part D volume vs every U.S. prescriber

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

1,023 Top 24% higher than 76% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). This entry sits in this band. 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)

REENA PATEL, DO practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations — 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 REENA PATEL, DO?

Quality data not reported

NPI registry status

Active

Issued 06/06/2016

NPI 1669821187

Primary specialty

Allergy & Immunology Physician

Niche

3,390 US NPIs in this specialty

Medicare Part D claims

1,023 34% vs specialty avg

2023 prescription claims

Specialty avg: 764

Specialty distribution in Tennessee

How Allergy & Immunology Physician compares to other specialties among Tennessee providers

Tennessee providers

Allergy & Immunology Physician share within Tennessee

1. Allergy & Immunology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Allergy & Immunology Physician share within Tennessee

Specialty board-certification context

Estimated specialty board-certified rate — Allergy & Immunology Physician (ABMS / AOA reference)

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

Est. board-certified rate (Allergy & Immunology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Allergy & Immunology 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).

REENA PATEL, DO appears in the CMS NPPES registry as a Allergy & Immunology Physician provider holding DO credentials at 6401 POPLAR AVE STE 300, MEMPHIS, TN, 38119, with a listed phone of (800) 999-1249. NPI 1669821187 was issued on 06/06/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what PATEL 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 1,023 prescription claims written by this provider, covering 196 Medicare beneficiaries and totaling roughly $432K in drug spend, split 42% brand-name and 58% 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.

Allergy & Immunology Physician is a narrow specialty nationwide, with 3,390 enrolled providers across 52 states and an average of 764 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

6401 POPLAR AVE STE 300
MEMPHIS, TN 38119

Provider Details

NPI 1669821187
Specialty Allergy & Immunology Physician
Credentials DO
Gender Female
NPI Issued 06/06/2016

Hospital and facility affiliations

Facilities where REENA PATEL, DO 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.

ALLERVIE HEALTH, PROFESSIONAL CORPORATION
BIRMINGHAM, AL
PSF PLLC
MEMPHIS, TN

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 REENA PATEL, DO. Source: openpaymentsdata.cms.gov.

Total received

$30.5K

Largest payer

AstraZeneca Pharmaceuticals LP

Most common payment type

Food and Beverage

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 · Above average

REENA PATEL, DO — brand share 42.0%
Specialty average (est.)

42% brand-name claims vs 58% generic, on 1,023 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.

1,023
Total Claims
$432K
Total Drug Cost
196
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,373
Total Day Supply
38,344
Brand vs Generic
42% brand / 58% generic
Brand Drug Cost
$397K
Generic Drug Cost
$35K
Antibiotic Claims
38

Patient Demographics

Average Patient Age
68.4 years
Avg HCC Risk Score
1.02
Gender Split
75% female / 25% male

Top Prescribed Drugs (Medicare Part D)

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

What REENA PATEL, DO 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
Azelastine Hcl
112
Trelegy Ellipta
Fluticasone/Umeclidin/Vilanter
101
Albuterol Sulfate Hfa
Albuterol Sulfate
86
Montelukast Sodium
76
Ipratropium Bromide
57
Epinephrine
56
Fluticasone Propionate
53
Prednisone
47
Breo Ellipta
Fluticasone/Vilanterol
46
Levocetirizine Dihydrochloride
35

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

Allergy & Immunology Physician Overview

How REENA PATEL, DO fits within the Allergy & Immunology Physician landscape nationally.

3,390
Allergy & Immunology Physician Providers in US
52
States with Allergy & Immunology Physician
764
Avg Claims per Provider

REENA PATEL, DO's 1,023 claims are above the specialty average of 764.

Nearby Allergy & Immunology Physician Providers in Tennessee

Other clinicians with the same primary specialty enrolled in Tennessee, drawn from the same CMS NPPES roster as PATEL.

Compare Allergy & Immunology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is REENA PATEL, DO's specialty?
REENA PATEL, DO specializes in Allergy & Immunology Physician and practices in MEMPHIS, Tennessee. Credentials: DO.
How much does REENA PATEL, DO prescribe under Medicare Part D?
In 2023, REENA PATEL, DO wrote 1,023 Medicare Part D claims totaling $432K in drug costs for 196 beneficiaries.
Where is REENA PATEL, DO located?
REENA PATEL, DO is located at 6401 POPLAR AVE STE 300, MEMPHIS, TN, 38119. Phone: (800) 999-1249.
What is REENA PATEL, DO's NPI number?
REENA PATEL, DO's National Provider Identifier (NPI) is 1669821187, issued on 06/06/2016.
Does REENA PATEL, DO prescribe more brand-name or generic drugs?
REENA PATEL, DO's prescribing is 42% brand-name and 58% generic drugs by claim count, with $397K in brand drug costs.
How many Allergy & Immunology Physician providers are there in the US?
There are 3,390 Allergy & Immunology Physician providers across 52 states in the US. The average Allergy & Immunology Physician provider writes 764 Medicare Part D claims per year.
What drugs does REENA PATEL, DO prescribe most often?
Based on 2023 Medicare Part D data, REENA PATEL, DO's most frequently prescribed drugs include Azelastine Hcl, Trelegy Ellipta, Albuterol Sulfate Hfa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does REENA PATEL, DO accept Medicare?
REENA PATEL, DO appears in CMS Medicare data with 1,023 Part D claims and 196 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify REENA PATEL, DO's credentials?
REENA PATEL, DO's NPI is 1669821187 with credentials DO. 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