2026 NPPES data Neurology Physician NPI 1609079219 M.D
Verify on CMS →

ANJANA NAIR, M.D

Neurology Physician in JOLIET, Illinois. 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
2K
Medicare Part D claims · 293 beneficiaries · Neurology Physician avg: 1K
Generic prescribing
97%
generic claims · 3% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

ANJANA NAIR, M.D filed 1,845 Medicare Part D claims in 2023 as a Neurology Physician in JOLIET, Illinois, prescribing 97% generic.

2K
Part D claims, 2023
97%
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.

ANJANA NAIR, M.D's Medicare Part D volume vs every U.S. prescriber

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

1,845 Top 17% higher than 83% 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%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). This entry sits in this band. 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)

ANJANA NAIR, M.D 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 ANJANA NAIR, M.D?

Quality data not reported

NPI registry status

Active

Issued 06/09/2007

NPI 1609079219

Primary specialty

Neurology Physician

Mid-sized

19,866 US NPIs in this specialty

Medicare Part D claims

1,845 41% vs specialty avg

2023 prescription claims

Specialty avg: 1,309

Specialty distribution in Illinois

How Neurology Physician compares to other specialties among Illinois providers

Illinois providers

Neurology Physician share within Illinois

1. Neurology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Neurology Physician share within Illinois

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Neurology 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).

ANJANA NAIR, M.D appears in the CMS NPPES registry as a Neurology Physician provider holding M.D credentials at 301 MADISON ST STE 300, JOLIET, IL, 60435, with a listed phone of (815) 725-4367. NPI 1609079219 was issued on 06/09/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what NAIR 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 1,845 prescription claims written by this provider, covering 293 Medicare beneficiaries and totaling roughly $339K in drug spend, split 3% brand-name and 97% 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.

Neurology Physician is a mid-sized specialty nationwide, with 19,866 enrolled providers across 54 states and an average of 1,309 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

301 MADISON ST STE 300
JOLIET, IL 60435

Provider Details

NPI 1609079219
Specialty Neurology Physician
Credentials M.D
Gender Female
NPI Issued 06/09/2007

Hospital and facility affiliations

Facilities where ANJANA NAIR, M.D 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.

PRIME HEALTHCARE ILLINOIS MEDICAL GROUP LLC
BOURBONNAIS, IL

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

License & disciplinary context — Illinois IDFPR 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~42K Illinois medical licensees in 2023 — they are NOT specific to ANJANA NAIR, M.D. To verify ANJANA NAIR, M.D's current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases

IDFPR publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Generic-heavy

ANJANA NAIR, M.D — brand share 3.0%
Specialty average (est.)

3% brand-name claims vs 97% generic, on 1,845 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.

1,845
Total Claims
$339K
Total Drug Cost
293
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,726
Total Day Supply
79,186
Brand vs Generic
3% brand / 97% generic
Brand Drug Cost
$204K
Generic Drug Cost
$135K

Patient Demographics

Average Patient Age
68.8 years
Avg HCC Risk Score
1.52
Gender Split
65% female / 35% male
Age Distribution
<65: 68, 65-74: 114, 75-84: 97, 85+: 14

Top Prescribed Drugs (Medicare Part D)

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

What ANJANA NAIR, M.D 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
Gabapentin
324
Donepezil Hcl
226
Memantine Hcl
156
Topiramate
154
Levetiracetam
149
Amitriptyline Hcl
82
Carbidopa-Levodopa
Carbidopa/Levodopa
66
Oxcarbazepine
56
Primidone
52
Baclofen
50

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

Neurology Physician Overview

How ANJANA NAIR, M.D fits within the Neurology Physician landscape nationally.

19,866
Neurology Physician Providers in US
54
States with Neurology Physician
1,309
Avg Claims per Provider

ANJANA NAIR, M.D's 1,845 claims are above the specialty average of 1,309.

Nearby Neurology Physician Providers in Illinois

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

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

Frequently Asked Questions

What is ANJANA NAIR, M.D's specialty?
ANJANA NAIR, M.D specializes in Neurology Physician and practices in JOLIET, Illinois. Credentials: M.D.
How much does ANJANA NAIR, M.D prescribe under Medicare Part D?
In 2023, ANJANA NAIR, M.D wrote 1,845 Medicare Part D claims totaling $339K in drug costs for 293 beneficiaries.
Where is ANJANA NAIR, M.D located?
ANJANA NAIR, M.D is located at 301 MADISON ST STE 300, JOLIET, IL, 60435. Phone: (815) 725-4367.
What is ANJANA NAIR, M.D's NPI number?
ANJANA NAIR, M.D's National Provider Identifier (NPI) is 1609079219, issued on 06/09/2007.
Does ANJANA NAIR, M.D prescribe more brand-name or generic drugs?
ANJANA NAIR, M.D's prescribing is 3% brand-name and 97% generic drugs by claim count, with $204K in brand drug costs.
How many Neurology Physician providers are there in the US?
There are 19,866 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,309 Medicare Part D claims per year.
What drugs does ANJANA NAIR, M.D prescribe most often?
Based on 2023 Medicare Part D data, ANJANA NAIR, M.D's most frequently prescribed drugs include Gabapentin, Donepezil Hcl, Memantine Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ANJANA NAIR, M.D accept Medicare?
ANJANA NAIR, M.D appears in CMS Medicare data with 1,845 Part D claims and 293 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ANJANA NAIR, M.D's credentials?
ANJANA NAIR, M.D's NPI is 1609079219 with credentials M.D. 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