2026 NPPES data Adult Medicine Physician NPI 1235242470 MD
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MOHSEN TAMASABY, MD

Adult Medicine Physician in RENO, Nevada. 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
5K
Medicare Part D claims · 327 beneficiaries · Adult Medicine Physician avg: 3K
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: MOHSEN TAMASABY, MD is a Adult Medicine Physician ([object Object]) practicing in RENO, Nevada with a Medicare Part D prescribing footprint of 5K claims across 327 beneficiaries — 12% brand-name prescribing .

What stands out: MOHSEN TAMASABY, MD filed 5,200 Medicare Part D claims in 2023 across RENO, Nevada. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

MOHSEN TAMASABY, MD 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).

MOHSEN TAMASABY, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 08/15/2006

NPI 1235242470

Primary specialty

Adult Medicine Physician

Niche

2,481 US NPIs in this specialty

Medicare Part D claims

5,200 85% vs specialty avg

2023 prescription claims

Specialty avg: 2,807

Specialty distribution in Nevada

How Adult Medicine Physician compares to other specialties among Nevada providers

Nevada providers

Adult Medicine Physician share within Nevada

1. Adult Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Adult Medicine Physician share within Nevada

Specialty board-certification context

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

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

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

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

MOHSEN TAMASABY, MD is a Adult Medicine Physician provider practicing in RENO, Nevada, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1235242470. 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.

MOHSEN TAMASABY, MD appears in the CMS NPPES registry as a Adult Medicine Physician provider holding MD credentials at 1699 S VIRGINIA ST STE 100, RENO, NV, 89502, with a listed phone of (775) 386-8733. NPI 1235242470 was issued on 08/15/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what TAMASABY 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 5,200 prescription claims written by this provider, covering 327 Medicare beneficiaries and totaling roughly $365K in drug spend, split 12% brand-name and 88% generic by claim count, with an opioid prescribing rate of 4.7%. 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.

Adult Medicine Physician is a narrow specialty nationwide, with 2,481 enrolled providers across 52 states and an average of 2,807 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

1699 S VIRGINIA ST STE 100
RENO, NV 89502

Provider Details

NPI 1235242470
Specialty Adult Medicine Physician
Credentials MD
Gender Male
NPI Issued 08/15/2006

Brand vs generic prescribing mix · Typical

MOHSEN TAMASABY, MD — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 5,200 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.

5,200
Total Claims
$365K
Total Drug Cost
327
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
9,735
Total Day Supply
275,789
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$293K
Generic Drug Cost
$70K
Opioid Claims
245 (4.7% rate)
Antibiotic Claims
266

Patient Demographics

Average Patient Age
67.9 years
Avg HCC Risk Score
1.22
Gender Split
54% female / 46% male
Age Distribution
<65: 79, 65-74: 179, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Lisinopril
264
Atorvastatin Calcium
227
Metformin Hcl
203
Amlodipine Besylate
189
Ibuprofen
168
Levothyroxine Sodium
167
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
125
Pantoprazole Sodium
117
Albuterol Sulfate Hfa
Albuterol Sulfate
115
Gabapentin
111

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

Adult Medicine Physician Overview

How MOHSEN TAMASABY, MD fits within the Adult Medicine Physician landscape nationally.

2,481
Adult Medicine Physician Providers in US
52
States with Adult Medicine Physician
2,807
Avg Claims per Provider

MOHSEN TAMASABY, MD's 5,200 claims are above the specialty average of 2,807.

Nearby Adult Medicine Physician Providers in Nevada

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

Compare Adult Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MOHSEN TAMASABY, MD's specialty?
MOHSEN TAMASABY, MD specializes in Adult Medicine Physician and practices in RENO, Nevada. Credentials: MD.
How much does MOHSEN TAMASABY, MD prescribe under Medicare Part D?
In 2023, MOHSEN TAMASABY, MD wrote 5,200 Medicare Part D claims totaling $365K in drug costs for 327 beneficiaries.
Where is MOHSEN TAMASABY, MD located?
MOHSEN TAMASABY, MD is located at 1699 S VIRGINIA ST STE 100, RENO, NV, 89502. Phone: (775) 386-8733.
What is MOHSEN TAMASABY, MD's NPI number?
MOHSEN TAMASABY, MD's National Provider Identifier (NPI) is 1235242470, issued on 08/15/2006.
Does MOHSEN TAMASABY, MD prescribe more brand-name or generic drugs?
MOHSEN TAMASABY, MD's prescribing is 12% brand-name and 88% generic drugs by claim count, with $293K in brand drug costs.
Does MOHSEN TAMASABY, MD prescribe opioids?
Yes, MOHSEN TAMASABY, MD had 245 opioid claims in 2023 with an opioid prescribing rate of 4.7%.
How many Adult Medicine Physician providers are there in the US?
There are 2,481 Adult Medicine Physician providers across 52 states in the US. The average Adult Medicine Physician provider writes 2,807 Medicare Part D claims per year.
What drugs does MOHSEN TAMASABY, MD prescribe most often?
Based on 2023 Medicare Part D data, MOHSEN TAMASABY, MD's most frequently prescribed drugs include Lisinopril, Atorvastatin Calcium, Metformin Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MOHSEN TAMASABY, MD accept Medicare?
MOHSEN TAMASABY, MD appears in CMS Medicare data with 5,200 Part D claims and 327 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MOHSEN TAMASABY, MD's credentials?
MOHSEN TAMASABY, MD's NPI is 1235242470 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