2026 NPPES data Medical Biochemical Genetics NPI 1699069591 MB CHB
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TAMANNA ROSHAN LAL, MB CHB

Medical Biochemical Genetics in CHEVY CHASE, 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
12
Medicare Part D claims · Medical Biochemical Genetics avg: 29
Generic prescribing
0%
generic claims · 100% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

TAMANNA ROSHAN LAL, MB CHB filed 12 Medicare Part D claims in 2023 as a Medical Biochemical Genetics in CHEVY CHASE, Maryland, prescribing 0% generic.

12
Part D claims, 2023
0%
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.

TAMANNA ROSHAN LAL, MB CHB's Medicare Part D volume vs every U.S. prescriber

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

12 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 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)

TAMANNA ROSHAN LAL, MB CHB 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 TAMANNA ROSHAN LAL, MB CHB?

Quality data not reported

NPI registry status

Active

Issued 06/08/2011

NPI 1699069591

Primary specialty

Medical Biochemical Genetics

Rare

21 US NPIs in this specialty

Medicare Part D claims

12 59% vs specialty avg

2023 prescription claims

Specialty avg: 29

Specialty distribution in Maryland

How Medical Biochemical Genetics compares to other specialties among Maryland providers

Maryland providers

Medical Biochemical Genetics share within Maryland

1. Medical Biochemical Genetics42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Medical Biochemical Genetics share within Maryland

Specialty board-certification context

Estimated specialty board-certified rate — Medical Biochemical Genetics (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Medical Biochemical Genetics ABMS/AOA estimate

Est. board-certified rate (Medical Biochemical Genetics) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Medical Biochemical Genetics) — 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).

TAMANNA ROSHAN LAL, MB CHB appears in the CMS NPPES registry as a Medical Biochemical Genetics provider holding MB CHB credentials at 5550 FRIENDSHIP BLVD STE 580, CHEVY CHASE, MD, 20815, with a listed phone of (541) 232-7818. NPI 1699069591 was issued on 06/08/2011. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ROSHAN LAL 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 12 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $989K in drug spend, split 100% brand-name and 0% 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.

Medical Biochemical Genetics is a narrow specialty nationwide, with 21 enrolled providers across 13 states and an average of 29 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

5550 FRIENDSHIP BLVD STE 580
CHEVY CHASE, MD 20815

Provider Details

NPI 1699069591
Specialty Medical Biochemical Genetics
Credentials MB CHB
Gender Female
NPI Issued 06/08/2011

Brand vs generic prescribing mix · Brand-heavy

TAMANNA ROSHAN LAL, MB CHB — brand share 100.0%
Specialty average (est.)

100% brand-name claims vs 0% generic, on 12 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.

12
Total Claims
$989K
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
12
Total Day Supply
336
Brand vs Generic
100% brand / 0% generic
Brand Drug Cost
$989K
Generic Drug Cost
$0

Patient Demographics

Average Patient Age
37.5 years
Avg HCC Risk Score
0.74

Medical Biochemical Genetics Overview

How TAMANNA ROSHAN LAL, MB CHB fits within the Medical Biochemical Genetics landscape nationally.

21
Medical Biochemical Genetics Providers in US
13
States with Medical Biochemical Genetics
29
Avg Claims per Provider

TAMANNA ROSHAN LAL, MB CHB's 12 claims are below the specialty average of 29.

Nearby Medical Biochemical Genetics Providers in Maryland

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

Compare Medical Biochemical Genetics nationally: see state-by-state distribution →

Frequently Asked Questions

What is TAMANNA ROSHAN LAL, MB CHB's specialty?
TAMANNA ROSHAN LAL, MB CHB specializes in Medical Biochemical Genetics and practices in CHEVY CHASE, Maryland. Credentials: MB CHB.
How much does TAMANNA ROSHAN LAL, MB CHB prescribe under Medicare Part D?
In 2023, TAMANNA ROSHAN LAL, MB CHB wrote 12 Medicare Part D claims totaling $989K in drug costs for N/A beneficiaries.
Where is TAMANNA ROSHAN LAL, MB CHB located?
TAMANNA ROSHAN LAL, MB CHB is located at 5550 FRIENDSHIP BLVD STE 580, CHEVY CHASE, MD, 20815. Phone: (541) 232-7818.
What is TAMANNA ROSHAN LAL, MB CHB's NPI number?
TAMANNA ROSHAN LAL, MB CHB's National Provider Identifier (NPI) is 1699069591, issued on 06/08/2011.
Does TAMANNA ROSHAN LAL, MB CHB prescribe more brand-name or generic drugs?
TAMANNA ROSHAN LAL, MB CHB's prescribing is 100% brand-name and 0% generic drugs by claim count, with $989K in brand drug costs.
How many Medical Biochemical Genetics providers are there in the US?
There are 21 Medical Biochemical Genetics providers across 13 states in the US. The average Medical Biochemical Genetics provider writes 29 Medicare Part D claims per year.
Does TAMANNA ROSHAN LAL, MB CHB accept Medicare?
TAMANNA ROSHAN LAL, MB CHB appears in CMS Medicare data with 12 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 TAMANNA ROSHAN LAL, MB CHB's credentials?
TAMANNA ROSHAN LAL, MB CHB's NPI is 1699069591 with credentials MB CHB. 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