Dr. Benjamin Robert Collen, MD

  • San Antonio, TX
  • Hospitalist
NPI1588084701PAC ID8729351135
Medicare services, 2024
917
Medicare patients, 2024
405
Part D claims, 2024
309
Hospital affiliations
4
Industry payments
$96
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 5 affiliations

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Dr. Benjamin Robert Collen is a hospitalist in San Antonio, Texas

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

Dr. Collen's NPI, 1588084701, was assigned on April 28, 2014. Dr. Collen graduated from David Geffen School of Medicine at UCLA in 2014. Dr. Collen holds Texas license T1330.

NPI and contact details
Medicare PAC ID
8729351135
NPI enumeration date
April 28, 2014
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
38
Medical school graduation
2014

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

Dr. Benjamin Robert Collen practices at Methodist Hospital Stone Oak in San Antonio, Texas

Dr. Collen'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. Benjamin Robert Collen is affiliated with 4 sites of care and 1 medical group

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

See all 5 affiliations for Dr. Collen

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

Dmand AI tracks the EHR system at Dr. Benjamin Robert Collen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Collen practices, 4 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
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Benjamin Robert Collen is one of 1,491 hospitalists in Texas

Hospitalist is Dr. Collen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Collen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Collen's licenses on file in 3 states: Texas, Virginia and District of Columbia.

Specialties and state licenses

  • Hospitalist, TexasPrimaryLicense T1330 · 2021 to 2026 · taxonomy 208M00000X
  • Virginia license2014 to 2026
  • District of Columbia license2016

Clinical focus

Dmand AI lists acid reflux, acute diabetes, acute respiratory failure, acute stomach ulcer, cardiac arrhythmia, chronic diabetes, chronic hypertension and congestive heart failure among the conditions Dr. Collen treats.

Hospitalists near Dr. Collen

Counts of hospitalists 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. Benjamin Robert Collen billed Medicare for 917 services in 2024

CMS data shows 917 Medicare services from Dr. Collen across 5 procedure codes in 2024, for 405 Medicare patients. Medicare paid $70,960 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024917
Medicare patients405
Paid by Medicare$70,960
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 2,2662024: 91760%

Dr. Collen compared with the Texas median for hospitalists, 2024

  • Dr. Collen
  • Texas median
Medicare services
917vs 3872.4 times
Medicare patients
405vs 1782.3 times
Part D claims
79vs 846% below

Medians across 1,305 hospitalists in Texas with Dmand AI profiles that report each measure.

Dr. Collen'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.

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

Dr. Benjamin Robert Collen treated 405 Medicare patients in 2024, average age 78

CMS counts 405 Medicare patients who saw Dr. Collen in 2024. The largest group is 75 to 84, with 145 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.45, 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. Collen's median patient age at 72, with 54% women.

Medicare patients, 2024405
Average age78
Average risk score2.45
Also on Medicaid12%

Dr. Collen's Medicare patients by age, 2024

Dr. Collen's Medicare patients by sex, 2024

  • Women21653%
  • Men18947%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease54%
  4. Arthritis50%
  5. Chronic kidney disease49%
  6. Heart failure46%
  7. Diabetes45%
  8. Atrial fibrillation44%

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

Dr. Collen's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women54%
  • Men44%

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

Dr. Benjamin Robert Collen wrote 309 Medicare Part D claims in 2024

In 2024, Dr. Collen wrote 309 Medicare Part D claims for 158 patients. 89% of them were for generic drugs. CMS names the drug for 79 of them, across 6 drugs with 11 or more claims each, at $376 in total drug cost. In 2023, CMS named 82 claims across 6 drugs.

Part D claims, 2024309
Drugs named by CMS6
Total drug cost$376
Part D patients158

Dr. Collen's Part D claims by kind of drug, 2024

  • Generic274 claims89%
  • Brand-name35 claims11%

Dr. Collen's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Collen's Part D claims, 2024

  • Opioids6%20 of 309 claims
  • Antibiotics17%54 of 309 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 822024: 794%

Drugs named by CMS: 6 in 2024, 6 in 2023.

See all prescribing by Dr. Collen

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

How Dr. Benjamin Robert Collen takes part in Medicare

Dr. Collen 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. Benjamin Robert Collen received $96 in industry payments from 2021 to 2024

CMS Open Payments shows 4 general payments to Dr. Collen from 3 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $38.

General payments to Dr. Collen by program year, 2021 to 2024

Companies that paid Dr. Collen the most, 2021 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Collen

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

Dr. Benjamin Robert Collen graduated from David Geffen School of Medicine at UCLA

Dr. Collen graduated from David Geffen School of Medicine at UCLA in 2014.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Benjamin Robert Collen accepts plans from 21 insurance carriers

Dr. Collen is in network with 21 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Cigna
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • +13 more carriersWith a free account

Plan types Dr. Collen accepts, by number of carriers

  1. HMO12
  2. PPO12
  3. Medicare10
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Benjamin Robert Collen'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)Medicare Part D Prescribers - 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. Benjamin Robert Collen

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. Benjamin Robert Collen's NPI number?

Dr. Benjamin Robert Collen's NPI number is 1588084701. It was assigned on April 28, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Benjamin Robert Collen?

Dr. Benjamin Robert Collen is a hospitalist in San Antonio, Texas. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Benjamin Robert Collen practice?

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

What is Dr. Benjamin Robert Collen's office phone number?

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

What is Dr. Benjamin Robert Collen's medical license number?

Dr. Collen holds Texas license T1330, one of the licenses on file in 3 states.

Which states has Dr. Benjamin Robert Collen been licensed in?

Dmand AI has state licenses on file for Dr. Collen in Texas (2021 to 2026), Virginia (2014 to 2026) and District of Columbia (2016).

Which hospitals is Dr. Benjamin Robert Collen affiliated with?

Dr. Collen practices at Methodist Hospital Stone Oak in San Antonio, Texas. Dr. Collen is also affiliated with Methodist Hospital. Dmand AI links Dr. Collen to 2 more hospitals.

What medical group is Dr. Benjamin Robert Collen part of?

Dr. Collen is linked to Hospital Medicine Services of TX.

Does Dr. Benjamin Robert Collen accept Medicare?

Yes. CMS data shows Dr. Collen billed Medicare for 917 services in 2024, and Dr. Collen accepts Medicare assignment.

How many Medicare patients does Dr. Benjamin Robert Collen see?

CMS counts 405 Medicare patients who saw Dr. Collen in 2024, with an average age of 78.

Show 7 more questionsShow fewer questions

Is Dr. Benjamin Robert Collen board certified?

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

What services does Dr. Benjamin Robert Collen bill to Medicare?

In 2024, Dr. Collen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99238).

Where did Dr. Benjamin Robert Collen go to medical school?

Dr. Collen graduated from David Geffen School of Medicine at UCLA in 2014.

What drugs does Dr. Benjamin Robert Collen prescribe most?

In 2024 Medicare Part D data, Dr. Collen's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Pantoprazole Sodium and Prednisone.

Has Dr. Benjamin Robert Collen received payments from drug or device companies?

CMS Open Payments shows $96 in general payments to Dr. Collen from 3 companies from 2021 to 2024. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Benjamin Robert Collen been practicing?

Dr. Collen graduated from medical school in 2014, 12 years ago.

What insurance does Dr. Benjamin Robert Collen accept?

Dr. Collen is in network with 21 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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