2026 NPPES data Infectious Disease Physician NPI 1669403341 M.D.
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SAMEER ISMAILJEE, M.D.

Infectious Disease Physician in SILVER SPRING, Maryland. 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
373
Medicare Part D claims · 154 beneficiaries · Infectious Disease Physician avg: 816
Generic prescribing
92%
generic claims · 8% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$296.07
9 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: SAMEER ISMAILJEE, M.D. is a Infectious Disease Physician ([object Object]) practicing in SILVER SPRING, Maryland with a Medicare Part D prescribing footprint of 373 claims across 154 beneficiaries — 8% brand-name prescribing . Industry payments of $296.07 across 9 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: SAMEER ISMAILJEE, M.D. filed 373 Medicare Part D claims in 2023 across SILVER SPRING, Maryland. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

SAMEER ISMAILJEE, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 5 hospital affiliations — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

SAMEER ISMAILJEE, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 07/05/2006

NPI 1669403341

Primary specialty

Infectious Disease Physician

Mid-sized

8,292 US NPIs in this specialty

Medicare Part D claims

373 54% vs specialty avg

2023 prescription claims

Specialty avg: 816

Specialty distribution in Maryland

How Infectious Disease Physician compares to other specialties among Maryland providers

Maryland providers

Infectious Disease Physician share within Maryland

1. Infectious Disease Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Infectious Disease Physician share within Maryland

Specialty board-certification context

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

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

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

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

SAMEER ISMAILJEE, M.D. is a Infectious Disease Physician provider practicing in SILVER SPRING, Maryland, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1669403341. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

SAMEER ISMAILJEE, M.D. appears in the CMS NPPES registry as a Infectious Disease Physician provider holding M.D. credentials at 1500 FOREST GLEN RD, SILVER SPRING, MD, 20910, with a listed phone of (301) 754-7000. NPI 1669403341 was issued on 07/05/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ISMAILJEE 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 373 prescription claims written by this provider, covering 154 Medicare beneficiaries and totaling roughly $17K in drug spend, split 8% brand-name and 92% generic by claim count, with an opioid prescribing rate of 8.0%. 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.

Infectious Disease Physician is a mid-sized specialty nationwide, with 8,292 enrolled providers across 54 states and an average of 816 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

1500 FOREST GLEN RD
SILVER SPRING, MD 20910

Provider Details

NPI 1669403341
Specialty Infectious Disease Physician
Credentials M.D.
Gender Male
NPI Issued 07/05/2006

Hospital and facility affiliations

Facilities where SAMEER ISMAILJEE, 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.

ACCESS TELECARE PLLC
SPRING, TX
GALEN INPATIENT PHYSICIANS PC
SILVER SPRING, MD
JOHNS HOPKINS COMMUNITY PHYSICIANS, INC
LAUREL, MD
PROFESSIONAL SERVICES OF HOLY CROSS
SILVER SPRING, MD
SYNERGY MEDICAL GROUP LLC
LUTHERVILLE, MD

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 SAMEER ISMAILJEE, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$296

Largest payer

Novo Nordisk Inc

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 · Generic-heavy

SAMEER ISMAILJEE, M.D. — brand share 8.0%
Specialty average (est.)

8% brand-name claims vs 92% generic, on 373 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.

373
Total Claims
$17K
Total Drug Cost
154
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
389
Total Day Supply
7,651
Brand vs Generic
8% brand / 92% generic
Brand Drug Cost
$12K
Generic Drug Cost
$5K
Opioid Claims
30 (8.0% rate)
Antibiotic Claims
56

Patient Demographics

Average Patient Age
74.1 years
Avg HCC Risk Score
2.40
Gender Split
55% female / 45% male
Age Distribution
<65: 27, 65-74: 50, 75-84: 38, 85+: 39

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Amlodipine Besylate
19
Prednisone
19
Pantoprazole Sodium
18
Famotidine
12
Hydromorphone Hcl
11
Ondansetron Hcl
11

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

Infectious Disease Physician Overview

How SAMEER ISMAILJEE, M.D. fits within the Infectious Disease Physician landscape nationally.

8,292
Infectious Disease Physician Providers in US
54
States with Infectious Disease Physician
816
Avg Claims per Provider

SAMEER ISMAILJEE, M.D.'s 373 claims are below the specialty average of 816.

Nearby Infectious Disease Physician Providers in Maryland

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

Compare Infectious Disease Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is SAMEER ISMAILJEE, M.D.'s specialty?
SAMEER ISMAILJEE, M.D. specializes in Infectious Disease Physician and practices in SILVER SPRING, Maryland. Credentials: M.D..
How much does SAMEER ISMAILJEE, M.D. prescribe under Medicare Part D?
In 2023, SAMEER ISMAILJEE, M.D. wrote 373 Medicare Part D claims totaling $17K in drug costs for 154 beneficiaries.
Where is SAMEER ISMAILJEE, M.D. located?
SAMEER ISMAILJEE, M.D. is located at 1500 FOREST GLEN RD, SILVER SPRING, MD, 20910. Phone: (301) 754-7000.
What is SAMEER ISMAILJEE, M.D.'s NPI number?
SAMEER ISMAILJEE, M.D.'s National Provider Identifier (NPI) is 1669403341, issued on 07/05/2006.
Does SAMEER ISMAILJEE, M.D. prescribe more brand-name or generic drugs?
SAMEER ISMAILJEE, M.D.'s prescribing is 8% brand-name and 92% generic drugs by claim count, with $12K in brand drug costs.
Does SAMEER ISMAILJEE, M.D. prescribe opioids?
Yes, SAMEER ISMAILJEE, M.D. had 30 opioid claims in 2023 with an opioid prescribing rate of 8.0%.
How many Infectious Disease Physician providers are there in the US?
There are 8,292 Infectious Disease Physician providers across 54 states in the US. The average Infectious Disease Physician provider writes 816 Medicare Part D claims per year.
What drugs does SAMEER ISMAILJEE, M.D. prescribe most often?
Based on 2023 Medicare Part D data, SAMEER ISMAILJEE, M.D.'s most frequently prescribed drugs include Amlodipine Besylate, Prednisone, Pantoprazole Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SAMEER ISMAILJEE, M.D. accept Medicare?
SAMEER ISMAILJEE, M.D. appears in CMS Medicare data with 373 Part D claims and 154 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SAMEER ISMAILJEE, M.D.'s credentials?
SAMEER ISMAILJEE, M.D.'s NPI is 1669403341 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