2026 NPPES data Hematology & Oncology Physician NPI 1336341668 M.D.
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VIJAYAKRISHNA GADIYARAM, M.D.

Hematology & Oncology Physician in CLEARWATER, Florida. 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 · 341 beneficiaries · Hematology & Oncology Physician avg: 847
Generic prescribing
85%
generic claims · 15% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$1.5K
60 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

VIJAYAKRISHNA GADIYARAM, M.D. filed 2,042 Medicare Part D claims in 2023 as a Hematology & Oncology Physician in CLEARWATER, Florida, prescribing 85% generic.

2K
Part D claims, 2023
85%
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.

VIJAYAKRISHNA GADIYARAM, M.D.'s Medicare Part D volume vs every U.S. prescriber

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

2,042 Top 16% higher than 84% 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%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. 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)

VIJAYAKRISHNA GADIYARAM, 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 VIJAYAKRISHNA GADIYARAM, M.D.?

Quality data not reported

NPI registry status

Active

Issued 05/31/2007

NPI 1336341668

Primary specialty

Hematology & Oncology Physician

Mid-sized

11,215 US NPIs in this specialty

Medicare Part D claims

2,042 141% vs specialty avg

2023 prescription claims

Specialty avg: 847

Specialty distribution in Florida

How Hematology & Oncology Physician compares to other specialties among Florida providers

Florida providers

Hematology & Oncology Physician share within Florida

1. Hematology & Oncology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Hematology & Oncology Physician share within Florida

Specialty board-certification context

Estimated specialty board-certified rate — Hematology & Oncology Physician (ABMS / AOA reference)

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

Est. board-certified rate (Hematology & Oncology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Hematology & Oncology 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).

VIJAYAKRISHNA GADIYARAM, M.D. is a Hematology & Oncology Physician provider practicing in CLEARWATER, Florida, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1336341668. 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.

VIJAYAKRISHNA GADIYARAM, M.D. appears in the CMS NPPES registry as a Hematology & Oncology Physician provider holding M.D. credentials at 400 PINELLAS ST STE 220, CLEARWATER, FL, 33756, with a listed phone of (727) 462-3692. NPI 1336341668 was issued on 05/31/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GADIYARAM 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 2,042 prescription claims written by this provider, covering 341 Medicare beneficiaries and totaling roughly $2.5 million in drug spend, split 15% brand-name and 85% generic by claim count, with an opioid prescribing rate of 4.5%. 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.

Hematology & Oncology Physician is a mid-sized specialty nationwide, with 11,215 enrolled providers across 54 states and an average of 847 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

400 PINELLAS ST STE 220
CLEARWATER, FL 33756

Provider Details

NPI 1336341668
Specialty Hematology & Oncology Physician
Credentials M.D.
Gender Female
NPI Issued 05/31/2007

Hospital and facility affiliations

Facilities where VIJAYAKRISHNA GADIYARAM, 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.

BAYCARE MEDICAL GROUP, INC.
CLEARWATER, FL

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 VIJAYAKRISHNA GADIYARAM, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$1.5K

Largest payer

Novartis Pharmaceuticals Corporation

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.

License & disciplinary context — Florida FLDOH 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 ~75K Florida medical licensees in 2023 — they are NOT specific to VIJAYAKRISHNA GADIYARAM, M.D.. To verify VIJAYAKRISHNA GADIYARAM, M.D.'s current license status, search the FLDOH public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

480
Total board actions, Florida 2023
Across 467 cases
6.40
Actions per 1,000 licensees
Florida statewide rate
monetary fine
Most common action type
138 cases

FLDOH 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 Florida disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

VIJAYAKRISHNA GADIYARAM, M.D. — brand share 15.0%
Specialty average (est.)

15% brand-name claims vs 85% generic, on 2,042 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.

2,042
Total Claims
$2.5M
Total Drug Cost
341
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,866
Total Day Supply
110,863
Brand vs Generic
15% brand / 85% generic
Brand Drug Cost
$2.4M
Generic Drug Cost
$146K
Opioid Claims
92 (4.5% rate)
Antibiotic Claims
27

Patient Demographics

Average Patient Age
73.4 years
Avg HCC Risk Score
1.85
Gender Split
91% female / 9% male
Age Distribution
<65: 22, 65-74: 168, 75-84: 122, 85+: 29

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Anastrozole
623
Tamoxifen Citrate
149
Letrozole
85
Eliquis
Apixaban
67
Famotidine
60
Gabapentin
51
Ondansetron Hcl
48
Duloxetine Hcl
43
Xarelto
Rivaroxaban
37
Ibrance
Palbociclib
36

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

Hematology & Oncology Physician Overview

How VIJAYAKRISHNA GADIYARAM, M.D. fits within the Hematology & Oncology Physician landscape nationally.

11,215
Hematology & Oncology Physician Providers in US
54
States with Hematology & Oncology Physician
847
Avg Claims per Provider

VIJAYAKRISHNA GADIYARAM, M.D.'s 2,042 claims are above the specialty average of 847.

Nearby Hematology & Oncology Physician Providers in Florida

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

Compare Hematology & Oncology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is VIJAYAKRISHNA GADIYARAM, M.D.'s specialty?
VIJAYAKRISHNA GADIYARAM, M.D. specializes in Hematology & Oncology Physician and practices in CLEARWATER, Florida. Credentials: M.D..
How much does VIJAYAKRISHNA GADIYARAM, M.D. prescribe under Medicare Part D?
In 2023, VIJAYAKRISHNA GADIYARAM, M.D. wrote 2,042 Medicare Part D claims totaling $2.5M in drug costs for 341 beneficiaries.
Where is VIJAYAKRISHNA GADIYARAM, M.D. located?
VIJAYAKRISHNA GADIYARAM, M.D. is located at 400 PINELLAS ST STE 220, CLEARWATER, FL, 33756. Phone: (727) 462-3692.
What is VIJAYAKRISHNA GADIYARAM, M.D.'s NPI number?
VIJAYAKRISHNA GADIYARAM, M.D.'s National Provider Identifier (NPI) is 1336341668, issued on 05/31/2007.
Does VIJAYAKRISHNA GADIYARAM, M.D. prescribe more brand-name or generic drugs?
VIJAYAKRISHNA GADIYARAM, M.D.'s prescribing is 15% brand-name and 85% generic drugs by claim count, with $2.4M in brand drug costs.
Does VIJAYAKRISHNA GADIYARAM, M.D. prescribe opioids?
Yes, VIJAYAKRISHNA GADIYARAM, M.D. had 92 opioid claims in 2023 with an opioid prescribing rate of 4.5%.
How many Hematology & Oncology Physician providers are there in the US?
There are 11,215 Hematology & Oncology Physician providers across 54 states in the US. The average Hematology & Oncology Physician provider writes 847 Medicare Part D claims per year.
What drugs does VIJAYAKRISHNA GADIYARAM, M.D. prescribe most often?
Based on 2023 Medicare Part D data, VIJAYAKRISHNA GADIYARAM, M.D.'s most frequently prescribed drugs include Anastrozole, Tamoxifen Citrate, Letrozole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does VIJAYAKRISHNA GADIYARAM, M.D. accept Medicare?
VIJAYAKRISHNA GADIYARAM, M.D. appears in CMS Medicare data with 2,042 Part D claims and 341 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify VIJAYAKRISHNA GADIYARAM, M.D.'s credentials?
VIJAYAKRISHNA GADIYARAM, M.D.'s NPI is 1336341668 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