Dr. Alvin Michael Shih, DO

  • San Antonio, TX
  • Internist
NPI1689052037PAC ID6204135981
Medicare services, 2024
372
Medicare patients, 2024
362
Part D claims, 2018
67
Publications
3
Hospital affiliations
6
Practice address
1139 E Sonterra Blvd,, San Antonio, TX 78258
Practice phone
Call (210) 638-2101
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Methodist Hospital Stone Oak

Hospital · San Antonio, Texas

See all 9 affiliations

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Dr. Alvin Michael Shih is an internist in San Antonio, Texas

Dr. Shih practices at Methodist Hospital Stone Oak in San Antonio, Texas, part of HCA Healthcare.

Dr. Shih's NPI, 1689052037, was assigned on May 18, 2015. Dr. Shih graduated from Texas College of Osteopathic Medicine in 2015. Dr. Shih holds Texas license R7327.

NPI and contact details
Medicare PAC ID
6204135981
NPI enumeration date
May 18, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(210) 638-2101
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Alvin Michael Shih practices at Methodist Hospital Stone Oak in San Antonio, Texas

Dr. Shih's primary practice is Methodist Hospital Stone Oak, at 1139 E Sonterra Blvd,, San Antonio, TX 78258 in Bexar County. The practice phone is (210) 638-2101.

Source: Dmand AI Affiliation Data

Dr. Alvin Michael Shih is affiliated with 6 sites of care and 3 medical groups

Dr. Shih's primary practice is Methodist Hospital Stone Oak in San Antonio, Texas, part of HCA Healthcare. Dr. Shih is also affiliated with Methodist Hospital. The medical group on file is Sound Physicians. Dmand AI also links Dr. Shih to 4 more hospitals and 2 medical groups, each named with a free account.

See all 9 affiliations for Dr. Shih

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

Dmand AI tracks the EHR system at Dr. Alvin Michael Shih's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shih practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Methodist Hospital Stone OakAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alvin Michael Shih is one of 8,437 internists in Texas

Internal medicine is Dr. Shih's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Shih is board certified in internal medicine by the American Board of Internal Medicine. Dr. Shih is licensed in Texas.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense R7327 · taxonomy 207R00000X

Clinical focus

Dmand AI lists chronic diabetes, chronic hypertension, chronic obstructive pulmonary disease (COPD), collapsed lung, coronary artery disease, electrolyte disorders, epilepsy and heart failure among the conditions Dr. Shih treats.

Internists near Dr. Shih

Counts of internists 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. Alvin Michael Shih billed Medicare for 372 services in 2024

CMS data shows 372 Medicare services from Dr. Shih across 4 procedure codes in 2024, for 362 Medicare patients. Medicare paid $49,110 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024372
Medicare patients362
Paid by Medicare$49,110
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 5362024: 37231%

Dr. Shih compared with the Texas median for internists, 2024

  • Dr. Shih
  • Texas median
Medicare services
372vs 53931% below
Medicare patients
362vs 19091% above
Part D claims
67vs 28977% below

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Shih'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. Shih

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

Dr. Alvin Michael Shih treated 362 Medicare patients in 2024, average age 78

CMS counts 362 Medicare patients who saw Dr. Shih in 2024. The largest group is 75 to 84, with 139 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.12, 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. Shih's median patient age at 65, with 54% women.

Medicare patients, 2024362
Average age78
Average risk score2.12
Also on Medicaid11%

Dr. Shih's Medicare patients by age, 2024

Dr. Shih's Medicare patients by sex, 2024

  • Women19353%
  • Men16947%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Ischemic heart disease51%
  5. Chronic kidney disease48%
  6. Diabetes46%
  7. Mood disorders43%
  8. Heart failure40%

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

Dr. Shih's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Alvin Michael Shih wrote 67 Medicare Part D claims in 2018

In 2018, Dr. Shih wrote 67 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $424 in total drug cost. In 2017, CMS named 65 claims across 5 drugs.

Part D claims, 201867
Drugs named by CMS5
Total drug cost$424

Dr. Shih's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 652018: 673%

Drugs named by CMS: 5 in 2018, 5 in 2017.

See all prescribing by Dr. Shih

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Alvin Michael Shih takes part in Medicare

Dr. Shih 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. Alvin Michael Shih has 3 publications on record

Dmand AI links 3 papers to Dr. Shih, published from 2011 to 2017. Dr. Shih's most frequent co-authors are Debbie Sue Gipson, MD, Jennifer Lynn Hunt, MD and Radko Komers, MD.

Papers3
Years published2011 to 2017

Dr. Shih's papers by year, 2011 to 2017

Dr. Shih's most frequent co-authors

Recent publications by Dr. Shih

See all 3 publications and co-authors

See who Dr. Shih researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shih works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Alvin Michael Shih received $620 in industry payments from 2016 to 2019

CMS Open Payments shows 41 general payments to Dr. Shih from 14 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $182.

General payments to Dr. Shih by program year, 2016 to 2019

Companies that paid Dr. Shih the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Shih

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

Dr. Alvin Michael Shih graduated from Texas College of Osteopathic Medicine

Dr. Shih graduated from Texas College of Osteopathic Medicine in 2015.

  1. Medical schoolTexas College of Osteopathic Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in 2018 - 2024ID State License
  4. Board certified in 2018 - 2027TX State License

Source: Dmand AI Professional Profile Data

Dr. Alvin Michael Shih accepts plans from 18 insurance carriers

Dr. Shih is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • +10 more carriersWith a free account

Plan types Dr. Shih accepts, by number of carriers

  1. PPO11
  2. HMO10
  3. Medicare8
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Alvin Michael Shih'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)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Alvin Michael Shih

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. Alvin Michael Shih's NPI number?

Dr. Alvin Michael Shih's NPI number is 1689052037. It was assigned on May 18, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Alvin Michael Shih?

Dr. Alvin Michael Shih is an internist in San Antonio, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Alvin Michael Shih practice?

Dr. Shih practices at 1139 E Sonterra Blvd,, San Antonio, TX 78258. Dr. Shih's primary practice is Methodist Hospital Stone Oak in San Antonio, Texas, part of HCA Healthcare. Dmand AI also links Dr. Shih to 4 hospitals and 2 medical groups.

What is Dr. Alvin Michael Shih's office phone number?

The practice phone on file for Dr. Shih is (210) 638-2101.

What is Dr. Alvin Michael Shih's medical license number?

Dr. Shih holds Texas license R7327.

Which hospitals is Dr. Alvin Michael Shih affiliated with?

Dr. Shih practices at Methodist Hospital Stone Oak in San Antonio, Texas. Dr. Shih is also affiliated with Methodist Hospital. Dmand AI links Dr. Shih to 4 more hospitals.

What medical group is Dr. Alvin Michael Shih part of?

Dr. Shih is linked to Sound Physicians. Dmand AI links Dr. Shih to 2 more medical groups.

Does Dr. Alvin Michael Shih accept Medicare?

Yes. CMS data shows Dr. Shih billed Medicare for 372 services in 2024, and Dr. Shih accepts Medicare assignment.

How many Medicare patients does Dr. Alvin Michael Shih see?

CMS counts 362 Medicare patients who saw Dr. Shih in 2024, with an average age of 78.

Is Dr. Alvin Michael Shih board certified?

Yes. Dr. Shih is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Alvin Michael Shih bill to Medicare?

In 2024, Dr. Shih's most billed Medicare services were hospital inpatient care (99223), critical care (99291) and hospital inpatient care (99222).

Where did Dr. Alvin Michael Shih go to medical school?

Dr. Shih graduated from Texas College of Osteopathic Medicine in 2015.

What drugs does Dr. Alvin Michael Shih prescribe most?

In 2018 Medicare Part D data, Dr. Shih's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Metoprolol Tartrate.

Has Dr. Alvin Michael Shih received payments from drug or device companies?

CMS Open Payments shows $620 in general payments to Dr. Shih from 14 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Alvin Michael Shih been practicing?

Dr. Shih graduated from medical school in 2015, 11 years ago.

Does Dr. Alvin Michael Shih do research?

Dmand AI links 3 publications to Dr. Shih, published from 2011 to 2017.

Who does Dr. Alvin Michael Shih publish with?

Dr. Shih's most frequent co-authors are Debbie Sue Gipson, MD (1 shared paper), Jennifer Lynn Hunt, MD (1 shared paper) and Radko Komers, MD (1 shared paper).

What insurance does Dr. Alvin Michael Shih accept?

Dr. Shih is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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