2026 NPPES data Public Health & General Preventive Medicine Physician NPI 1265428700 MD, MPH
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DAVID BLOCKER, MD, MPH

Public Health & General Preventive Medicine Physician in GRANBURY, 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
194
Medicare Part D claims · 86 beneficiaries · Public Health & General Preventive Medicine Physician avg: 968
Generic prescribing
93%
generic claims · 7% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$170.48
4 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: DAVID BLOCKER, MD, MPH is a Public Health & General Preventive Medicine Physician ([object Object]) practicing in GRANBURY, Texas with a Medicare Part D prescribing footprint of 194 claims across 86 beneficiaries — 7% brand-name prescribing . Industry payments of $170.48 across 4 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: DAVID BLOCKER, MD, MPH filed 194 Medicare Part D claims in 2023 across GRANBURY, Texas. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

DAVID BLOCKER, MD, MPH 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).

DAVID BLOCKER, MD, MPH at a glance

Quality data not reported

NPI registry status

Active

Issued 09/20/2005

NPI 1265428700

Primary specialty

Public Health & General Preventive Medicine Physician

Niche

1,764 US NPIs in this specialty

Medicare Part D claims

194 80% vs specialty avg

2023 prescription claims

Specialty avg: 968

Specialty distribution in Texas

How Public Health & General Preventive Medicine Physician compares to other specialties among Texas providers

Texas providers

Public Health & General Preventive Medicine Physician share within Texas

1. Public Health & General Preventive Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Public Health & General Preventive Medicine Physician share within Texas

Specialty board-certification context

Estimated specialty board-certified rate — Public Health & General Preventive Medicine Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Public Health & General Preventive Medicine Physician ABMS/AOA estimate

Est. board-certified rate (Public Health & General Preventive Medicine Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Public Health & General Preventive 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).

DAVID BLOCKER, MD, MPH is a Public Health & General Preventive Medicine Physician provider practicing in GRANBURY, Texas, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD, MPH. NPI: 1265428700. 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.

DAVID BLOCKER, MD, MPH appears in the CMS NPPES registry as a Public Health & General Preventive Medicine Physician provider holding MD, MPH credentials at 1308 PALUXY RD STE 204, GRANBURY, TX, 76048, with a listed phone of (817) 579-9357. NPI 1265428700 was issued on 09/20/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BLOCKER 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 194 prescription claims written by this provider, covering 86 Medicare beneficiaries and totaling roughly $17K in drug spend, split 7% brand-name and 93% generic by claim count, with an opioid prescribing rate of 25.3%. 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.

Public Health & General Preventive Medicine Physician is a narrow specialty nationwide, with 1,764 enrolled providers across 52 states and an average of 968 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

1308 PALUXY RD STE 204
GRANBURY, TX 76048

Provider Details

NPI 1265428700
Specialty Public Health & General Preventive Medicine Physician
Credentials MD, MPH
Gender Male
NPI Issued 09/20/2005

Hospital and facility affiliations

Facilities where DAVID BLOCKER, MD, MPH 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.

BLOCKER PREVENTIVE MEDICINE PLLC
WEATHERFORD, TX

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 DAVID BLOCKER, MD, MPH. Source: openpaymentsdata.cms.gov.

Total received

$170

Largest payer

Pacira Pharmaceuticals Incorporated

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 DAVID BLOCKER, MD, MPH. To verify DAVID BLOCKER, MD, MPH'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.

Brand vs generic prescribing mix · Generic-heavy

DAVID BLOCKER, MD, MPH — brand share 7.0%
Specialty average (est.)

7% brand-name claims vs 93% generic, on 194 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.

194
Total Claims
$17K
Total Drug Cost
86
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
215
Total Day Supply
5,281
Brand vs Generic
7% brand / 93% generic
Brand Drug Cost
$12K
Generic Drug Cost
$5K
Opioid Claims
49 (25.3% rate)
Antibiotic Claims
63

Patient Demographics

Average Patient Age
73.1 years
Avg HCC Risk Score
2.15
Gender Split
53% female / 47% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
43
Levofloxacin
21
Sulfamethoxazole-Trimethoprim
Sulfamethoxazole/Trimethoprim
21
Dextroamphetamine-Amphetamine
Dextroamphetamine/Amphetamine
12
Amoxicillin-Clavulanate Potass
Amoxicillin/Potassium Clav
11

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

Public Health & General Preventive Medicine Physician Overview

How DAVID BLOCKER, MD, MPH fits within the Public Health & General Preventive Medicine Physician landscape nationally.

1,764
Public Health & General Preventive Medicine Physician Providers in US
52
States with Public Health & General Preventive Medicine Physician
968
Avg Claims per Provider

DAVID BLOCKER, MD, MPH's 194 claims are below the specialty average of 968.

Nearby Public Health & General Preventive Medicine Physician Providers in Texas

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

Compare Public Health & General Preventive Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is DAVID BLOCKER, MD, MPH's specialty?
DAVID BLOCKER, MD, MPH specializes in Public Health & General Preventive Medicine Physician and practices in GRANBURY, Texas. Credentials: MD, MPH.
How much does DAVID BLOCKER, MD, MPH prescribe under Medicare Part D?
In 2023, DAVID BLOCKER, MD, MPH wrote 194 Medicare Part D claims totaling $17K in drug costs for 86 beneficiaries.
Where is DAVID BLOCKER, MD, MPH located?
DAVID BLOCKER, MD, MPH is located at 1308 PALUXY RD STE 204, GRANBURY, TX, 76048. Phone: (817) 579-9357.
What is DAVID BLOCKER, MD, MPH's NPI number?
DAVID BLOCKER, MD, MPH's National Provider Identifier (NPI) is 1265428700, issued on 09/20/2005.
Does DAVID BLOCKER, MD, MPH prescribe more brand-name or generic drugs?
DAVID BLOCKER, MD, MPH's prescribing is 7% brand-name and 93% generic drugs by claim count, with $12K in brand drug costs.
Does DAVID BLOCKER, MD, MPH prescribe opioids?
Yes, DAVID BLOCKER, MD, MPH had 49 opioid claims in 2023 with an opioid prescribing rate of 25.3%.
How many Public Health & General Preventive Medicine Physician providers are there in the US?
There are 1,764 Public Health & General Preventive Medicine Physician providers across 52 states in the US. The average Public Health & General Preventive Medicine Physician provider writes 968 Medicare Part D claims per year.
What drugs does DAVID BLOCKER, MD, MPH prescribe most often?
Based on 2023 Medicare Part D data, DAVID BLOCKER, MD, MPH's most frequently prescribed drugs include Hydrocodone-Acetaminophen, Levofloxacin, Sulfamethoxazole-Trimethoprim. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does DAVID BLOCKER, MD, MPH accept Medicare?
DAVID BLOCKER, MD, MPH appears in CMS Medicare data with 194 Part D claims and 86 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify DAVID BLOCKER, MD, MPH's credentials?
DAVID BLOCKER, MD, MPH's NPI is 1265428700 with credentials MD, MPH. 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