2026 NPPES data Physical Medicine & Rehabilitation Physician NPI 1366456394 M.D.
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KEITH DYER, M.D.

Physical Medicine & Rehabilitation Physician in AMARILLO, 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
3K
Medicare Part D claims · 188 beneficiaries · Physical Medicine & Rehabilitation Physician avg: 781
Generic prescribing
98%
generic claims · 2% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

KEITH DYER, M.D. filed 3,212 Medicare Part D claims in 2023 as a Physical Medicine & Rehabilitation Physician in AMARILLO, Texas, prescribing 98% generic.

3K
Part D claims, 2023
98%
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.

KEITH DYER, M.D.'s Medicare Part D volume vs every U.S. prescriber

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

3,212 Top 11% higher than 89% 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-eligible specialty (heuristic — not verified)

KEITH DYER, M.D. 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 KEITH DYER, M.D.?

Quality data not reported

NPI registry status

Active

Issued 07/27/2006

NPI 1366456394

Primary specialty

Physical Medicine & Rehabilitation Physician

Mid-sized

15,306 US NPIs in this specialty

Medicare Part D claims

3,212 311% vs specialty avg

2023 prescription claims

Specialty avg: 781

Specialty distribution in Texas

How Physical Medicine & Rehabilitation Physician compares to other specialties among Texas providers

Texas providers

Physical Medicine & Rehabilitation Physician share within Texas

1. Physical Medicine & Rehabilitation Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Physical Medicine & Rehabilitation Physician share within Texas

Specialty board-certification context

Estimated specialty board-certified rate — Physical Medicine & Rehabilitation Physician (ABMS / AOA reference)

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

Est. board-certified rate (Physical Medicine & Rehabilitation Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Physical Medicine & Rehabilitation 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).

KEITH DYER, M.D. appears in the CMS NPPES registry as a Physical Medicine & Rehabilitation Physician provider holding M.D. credentials at 7200 W 9TH AVE, AMARILLO, TX, 79106, with a listed phone of (806) 416-1041. NPI 1366456394 was issued on 07/27/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what DYER 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 3,212 prescription claims written by this provider, covering 188 Medicare beneficiaries and totaling roughly $133K in drug spend, split 2% brand-name and 98% generic by claim count, with an opioid prescribing rate of 47.1%. 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.

Physical Medicine & Rehabilitation Physician is a mid-sized specialty nationwide, with 15,306 enrolled providers across 54 states and an average of 781 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

7200 W 9TH AVE
AMARILLO, TX 79106

Provider Details

NPI 1366456394
Specialty Physical Medicine & Rehabilitation Physician
Credentials M.D.
Gender Male
NPI Issued 07/27/2006

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 KEITH DYER, M.D.. To verify KEITH DYER, M.D.'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

KEITH DYER, M.D. — brand share 2.0%
Specialty average (est.)

2% brand-name claims vs 98% generic, on 3,212 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.

3,212
Total Claims
$133K
Total Drug Cost
188
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,508
Total Day Supply
101,949
Brand vs Generic
2% brand / 98% generic
Brand Drug Cost
$27K
Generic Drug Cost
$104K
Opioid Claims
1,512 (47.1% rate)
Antibiotic Claims
13

Patient Demographics

Average Patient Age
67.0 years
Avg HCC Risk Score
1.46
Gender Split
54% female / 46% male
Age Distribution
<65: 62, 65-74: 92, 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.

What KEITH DYER, M.D. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
1,069
Baclofen
196
Gabapentin
159
Diazepam
141
Pregabalin
141
Tramadol Hcl
139
Methocarbamol
118
Meloxicam
89
Alprazolam
73
Oxycodone-Acetaminophen
Oxycodone Hcl/Acetaminophen
60

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

Physical Medicine & Rehabilitation Physician Overview

How KEITH DYER, M.D. fits within the Physical Medicine & Rehabilitation Physician landscape nationally.

15,306
Physical Medicine & Rehabilitation Physician Providers in US
54
States with Physical Medicine & Rehabilitation Physician
781
Avg Claims per Provider

KEITH DYER, M.D.'s 3,212 claims are above the specialty average of 781.

Nearby Physical Medicine & Rehabilitation Physician Providers in Texas

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

Compare Physical Medicine & Rehabilitation Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is KEITH DYER, M.D.'s specialty?
KEITH DYER, M.D. specializes in Physical Medicine & Rehabilitation Physician and practices in AMARILLO, Texas. Credentials: M.D..
How much does KEITH DYER, M.D. prescribe under Medicare Part D?
In 2023, KEITH DYER, M.D. wrote 3,212 Medicare Part D claims totaling $133K in drug costs for 188 beneficiaries.
Where is KEITH DYER, M.D. located?
KEITH DYER, M.D. is located at 7200 W 9TH AVE, AMARILLO, TX, 79106. Phone: (806) 416-1041.
What is KEITH DYER, M.D.'s NPI number?
KEITH DYER, M.D.'s National Provider Identifier (NPI) is 1366456394, issued on 07/27/2006.
Does KEITH DYER, M.D. prescribe more brand-name or generic drugs?
KEITH DYER, M.D.'s prescribing is 2% brand-name and 98% generic drugs by claim count, with $27K in brand drug costs.
Does KEITH DYER, M.D. prescribe opioids?
Yes, KEITH DYER, M.D. had 1,512 opioid claims in 2023 with an opioid prescribing rate of 47.1%.
How many Physical Medicine & Rehabilitation Physician providers are there in the US?
There are 15,306 Physical Medicine & Rehabilitation Physician providers across 54 states in the US. The average Physical Medicine & Rehabilitation Physician provider writes 781 Medicare Part D claims per year.
What drugs does KEITH DYER, M.D. prescribe most often?
Based on 2023 Medicare Part D data, KEITH DYER, M.D.'s most frequently prescribed drugs include Hydrocodone-Acetaminophen, Baclofen, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KEITH DYER, M.D. accept Medicare?
KEITH DYER, M.D. appears in CMS Medicare data with 3,212 Part D claims and 188 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KEITH DYER, M.D.'s credentials?
KEITH DYER, M.D.'s NPI is 1366456394 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