Dr. William E. Shaddock II, MD

  • Conroe, TX
  • Anesthesiologist
NPI1194174342PAC ID7517258619
Medicare services, 2024
17
Medicare patients, 2024
64
Hospital affiliations
2
Industry payments
$20
Medical groups
2
Practice address
504 Medical Center Blvd, Conroe, TX 77304
Practice phone
Call (936) 539-1111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HCA Houston Healthcare Conroe

Hospital · Conroe, Texas

See all 5 affiliations

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Dr. William E. Shaddock II is an anesthesiologist in Conroe, Texas

Dr. Shaddock practices at HCA Houston Healthcare Conroe in Conroe, Texas, part of HCA Healthcare.

Dr. Shaddock's NPI, 1194174342, was assigned on June 8, 2016. Dr. Shaddock graduated from Joe R. & Teresa Lozano Long School of Medicine in 2020. Dr. Shaddock holds Texas license S6037.

NPI and contact details
Medicare PAC ID
7517258619
NPI enumeration date
June 8, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(936) 539-1111
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William E. Shaddock II practices at HCA Houston Healthcare Conroe in Conroe, Texas

Dr. Shaddock's primary practice is HCA Houston Healthcare Conroe, at 504 Medical Center Blvd, Conroe, TX 77304 in Montgomery County. The practice phone is (936) 539-1111.

Source: Dmand AI Affiliation Data

Dr. William E. Shaddock II is affiliated with 3 sites of care and 2 medical groups

Dr. Shaddock's primary practice is HCA Houston Healthcare Conroe in Conroe, Texas, part of HCA Healthcare. Dr. Shaddock is also affiliated with HCA Houston Healthcare Kingwood. The medical group on file is Metropolitan Anesthesia Consultants, PLLC. Dmand AI also links Dr. Shaddock to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Shaddock

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William E. Shaddock II's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shaddock practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HCA Houston Healthcare ConroeAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William E. Shaddock II is one of 4,073 anesthesiologists in Texas

Anesthesiology is Dr. Shaddock's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Shaddock is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Shaddock is licensed in Texas.

Specialties and state licenses

  • Anesthesiology, TexasPrimaryLicense S6037 · 2020 to 2027 · taxonomy 207L00000X

Anesthesiologists near Dr. Shaddock

Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William E. Shaddock II billed Medicare for 17 services in 2024

CMS data shows 17 Medicare services from Dr. Shaddock across 1 procedure code in 2024, for 64 Medicare patients. Medicare paid $2,034 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202417
Medicare patients64
Paid by Medicare$2,034
Procedure codes1

Dr. Shaddock's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Anesthesia
2023: 152024: 1713%

Dr. Shaddock compared with the Texas median for anesthesiologists, 2024

  • Dr. Shaddock
  • Texas median
Medicare services
17vs 7176% below
Medicare patients
64vs 13252% below

Medians across 3,710 anesthesiologists in Texas with Dmand AI profiles that report each measure.

Dr. Shaddock's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Shaddock

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shaddock and other anesthesiologists in Texas.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William E. Shaddock II treated 64 Medicare patients in 2024, average age 66

CMS counts 64 Medicare patients who saw Dr. Shaddock in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Shaddock's median patient age at 62, with 58% women.

Medicare patients, 202464
Average age66
Average risk score1.84
Also on Medicaid36%

Dr. Shaddock's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Shaddock's Medicare patients by sex, 2024

  • Women3250%
  • Men3250%

Chronic conditions among Dr. Shaddock's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol70%
  3. Arthritis39%
  4. Ischemic heart disease39%
  5. Anxiety38%
  6. Heart failure38%
  7. Mood disorders38%
  8. Depression34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Shaddock's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women58%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Dr. William E. Shaddock II takes part in Medicare

Dr. Shaddock accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. William E. Shaddock II received $20 in industry payments in 2021

CMS Open Payments shows 1 general payment to Dr. Shaddock from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $20.

Companies that paid Dr. Shaddock the most, 2021 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Shaddock

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William E. Shaddock II graduated from Joe R. & Teresa Lozano Long School of Medicine

Dr. Shaddock graduated from Joe R. & Teresa Lozano Long School of Medicine in 2020.

  1. Medical schoolJoe R. & Teresa Lozano Long School of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. William E. Shaddock II accepts plans from 19 insurance carriers

Dr. Shaddock is in network with 19 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Aetna
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • +11 more carriersWith a free account

Plan types Dr. Shaddock accepts, by number of carriers

  1. HMO10
  2. PPO10
  3. Medicare7
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. William E. Shaddock II's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William E. Shaddock II

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William E. Shaddock II's NPI number?

Dr. William E. Shaddock II's NPI number is 1194174342. It was assigned on June 8, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. William E. Shaddock II?

Dr. William E. Shaddock II is an anesthesiologist in Conroe, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. William E. Shaddock II practice?

Dr. Shaddock practices at 504 Medical Center Blvd, Conroe, TX 77304. Dr. Shaddock's primary practice is HCA Houston Healthcare Conroe in Conroe, Texas, part of HCA Healthcare. Dmand AI also links Dr. Shaddock to 1 group practice or clinic and 1 medical group.

What is Dr. William E. Shaddock II's office phone number?

The practice phone on file for Dr. Shaddock is (936) 539-1111.

What is Dr. William E. Shaddock II's medical license number?

Dr. Shaddock holds Texas license S6037.

Which hospitals is Dr. William E. Shaddock II affiliated with?

Dr. Shaddock practices at HCA Houston Healthcare Conroe in Conroe, Texas. Dr. Shaddock is also affiliated with HCA Houston Healthcare Kingwood.

What medical group is Dr. William E. Shaddock II part of?

Dr. Shaddock is linked to Metropolitan Anesthesia Consultants, PLLC. Dmand AI links Dr. Shaddock to 1 more medical group.

Does Dr. William E. Shaddock II accept Medicare?

Yes. CMS data shows Dr. Shaddock billed Medicare for 17 services in 2024, and Dr. Shaddock accepts Medicare assignment.

How many Medicare patients does Dr. William E. Shaddock II see?

CMS counts 64 Medicare patients who saw Dr. Shaddock in 2024, with an average age of 66.

Is Dr. William E. Shaddock II board certified?

Yes. Dr. Shaddock is board certified in anesthesiology by the American Board of Anesthesiology.

Show 5 more questionsShow fewer questions

What services does Dr. William E. Shaddock II bill to Medicare?

In 2024, Dr. Shaddock's most billed Medicare services were anesthesia (00170).

Where did Dr. William E. Shaddock II go to medical school?

Dr. Shaddock graduated from Joe R. & Teresa Lozano Long School of Medicine in 2020.

Has Dr. William E. Shaddock II received payments from drug or device companies?

CMS Open Payments shows $20 in general payments to Dr. Shaddock from 1 company from 2021 to 2021. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. William E. Shaddock II been practicing?

Dr. Shaddock graduated from medical school in 2020, 6 years ago.

What insurance does Dr. William E. Shaddock II accept?

Dr. Shaddock is in network with 19 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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