2026 NPPES data Radiation Oncology Physician NPI 1164450581 MD
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MICHAEL SELVA, MD

Radiation Oncology Physician in SAN ANTONIO, Texas. 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
274
Medicare Part D claims · 93 beneficiaries · Radiation Oncology Physician avg: 186
Industry payments
$322.46
8 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

MICHAEL SELVA, MD filed 274 Medicare Part D claims in 2023 as a Radiation Oncology Physician in SAN ANTONIO, Texas.

274
Part D claims, 2023
$322.46
industry payments (Sunshine Act)

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.

MICHAEL SELVA, MD's Medicare Part D volume vs every U.S. prescriber

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

274 49th percentile higher than 49% of 1,370,886 prescribers

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

MICHAEL SELVA, 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).

What does the federal data show about MICHAEL SELVA, MD?

Quality data not reported

NPI registry status

Active

Issued 06/28/2006

NPI 1164450581

Primary specialty

Radiation Oncology Physician

Mid-sized

6,018 US NPIs in this specialty

Medicare Part D claims

274 47% vs specialty avg

2023 prescription claims

Specialty avg: 186

Specialty distribution in Texas

How Radiation Oncology Physician compares to other specialties among Texas providers

Texas providers

Radiation Oncology Physician share within Texas

1. Radiation Oncology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Radiation Oncology Physician share within Texas

Specialty board-certification context

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

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

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

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

MICHAEL SELVA, MD appears in the CMS NPPES registry as a Radiation Oncology Physician provider holding MD credentials at 103 WELLESLEY CV, SAN ANTONIO, TX, 78231, with a listed phone of (210) 827-0658. NPI 1164450581 was issued on 06/28/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SELVA 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 274 prescription claims written by this provider, covering 93 Medicare beneficiaries and totaling roughly $3K in drug spend. 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.

Radiation Oncology Physician is a mid-sized specialty nationwide, with 6,018 enrolled providers across 52 states and an average of 186 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

103 WELLESLEY CV
SAN ANTONIO, TX 78231

Provider Details

NPI 1164450581
Specialty Radiation Oncology Physician
Credentials MD
Gender Male
NPI Issued 06/28/2006

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 MICHAEL SELVA, MD. Source: openpaymentsdata.cms.gov.

Total received

$322

Largest payer

Astellas Pharma US 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.

License & disciplinary context — Texas TMB 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 ~77K Texas medical licensees in 2023 — they are NOT specific to MICHAEL SELVA, MD. To verify MICHAEL SELVA, MD's current license status, search the TMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

344
Total board actions, Texas 2023
Across 334 cases
4.47
Actions per 1,000 licensees
Texas statewide rate
probation
Most common action type
94 cases

TMB 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 Texas disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

274
Total Claims
$3K
Total Drug Cost
93
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
365
Total Day Supply
10,772
Brand Drug Cost
$0
Generic Drug Cost
$3K

Patient Demographics

Average Patient Age
73.9 years
Avg HCC Risk Score
1.68

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Tamsulosin Hcl
253

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

Radiation Oncology Physician Overview

How MICHAEL SELVA, MD fits within the Radiation Oncology Physician landscape nationally.

6,018
Radiation Oncology Physician Providers in US
52
States with Radiation Oncology Physician
186
Avg Claims per Provider

MICHAEL SELVA, MD's 274 claims are above the specialty average of 186.

Nearby Radiation Oncology Physician Providers in Texas

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

Compare Radiation Oncology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MICHAEL SELVA, MD's specialty?
MICHAEL SELVA, MD specializes in Radiation Oncology Physician and practices in SAN ANTONIO, Texas. Credentials: MD.
How much does MICHAEL SELVA, MD prescribe under Medicare Part D?
In 2023, MICHAEL SELVA, MD wrote 274 Medicare Part D claims totaling $3K in drug costs for 93 beneficiaries.
Where is MICHAEL SELVA, MD located?
MICHAEL SELVA, MD is located at 103 WELLESLEY CV, SAN ANTONIO, TX, 78231. Phone: (210) 827-0658.
What is MICHAEL SELVA, MD's NPI number?
MICHAEL SELVA, MD's National Provider Identifier (NPI) is 1164450581, issued on 06/28/2006.
How many Radiation Oncology Physician providers are there in the US?
There are 6,018 Radiation Oncology Physician providers across 52 states in the US. The average Radiation Oncology Physician provider writes 186 Medicare Part D claims per year.
What drugs does MICHAEL SELVA, MD prescribe most often?
Based on 2023 Medicare Part D data, MICHAEL SELVA, MD's most frequently prescribed drugs include Tamsulosin Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MICHAEL SELVA, MD accept Medicare?
MICHAEL SELVA, MD appears in CMS Medicare data with 274 Part D claims and 93 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MICHAEL SELVA, MD's credentials?
MICHAEL SELVA, MD's NPI is 1164450581 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