Dr. David Arthur Ramirez, MD

  • San Francisco, CA
  • Internist
NPI1497829931
Part D claims, 2019
25
Publications
1
Hospital affiliations
1
Industry payments
$52
Medical group
1
Practice address
301 University Boulevard, Galveston, TX 77555
Practice phone
Call (409) 772-1011
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

John Sealy Hospital

Hospital · Galveston, Texas

See all 2 affiliations

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Dr. David Arthur Ramirez is an internist in San Francisco, California

Dr. Ramirez practices at John Sealy Hospital in Galveston, Texas, part of The University of Texas System.

Dr. Ramirez's NPI, 1497829931, was assigned on November 17, 2006. Dr. Ramirez graduated from Harvard Medical School in 2000. Dr. Ramirez holds California license A79500.

NPI and contact details
NPI enumeration date
November 17, 2006
NPI status
Active
Practice phone
(409) 772-1011
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2000

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

Dr. David Arthur Ramirez practices in Galveston and San Francisco

Dr. Ramirez's primary practice is John Sealy Hospital, at 301 University Boulevard, Galveston, TX 77555 in Galveston County. The practice phone is (409) 772-1011. The NPI Registry lists Dr. Ramirez's practice address as 650 5th St, San Francisco, CA 94107.

  • John Sealy HospitalPrimary
    301 University Boulevard, Galveston, TX 77555 · Galveston CountyPhone(409) 772-1011
  • NPI Registry address
    650 5th St, San Francisco, CA 94107 · San Francisco CountyPhone(409) 772-0817

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

Dr. David Arthur Ramirez is affiliated with 1 site of care and 1 medical group

Dr. Ramirez's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System. Dmand AI also links Dr. Ramirez to 1 medical group, named with a free account.

See all 2 affiliations for Dr. Ramirez

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. David Arthur Ramirez's practice

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

EHR by site
SiteEHR vendor and product
John Sealy HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David Arthur Ramirez is one of 16,751 internists in California

Internal medicine is Dr. Ramirez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Ramirez's licenses on file in 3 states: California, Florida and Michigan.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A79500 · 2010 to 2026 · taxonomy 207R00000X
  • Florida licenseSince 2021
  • Michigan license2021 to 2024

Internists near Dr. Ramirez

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. David Arthur Ramirez's patients have a median age of 52

Across all payers, Dmand AI patient panel data puts Dr. Ramirez's median patient age at 52, with 67% women.

Dr. Ramirez's patients across all payers

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

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women67%
  • Men27%

Source: Dmand AI Patient Panel Data

Dr. David Arthur Ramirez wrote 25 Medicare Part D claims in 2019

In 2019, Dr. Ramirez wrote 25 Medicare Part D claims. They cover 2 drugs, with $7,649 in total drug cost. In 2018, CMS named 1,269 claims across 23 drugs.

Part D claims, 201925
Drugs named by CMS2
Total drug cost$7,649

Dr. Ramirez's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 1,2692019: 2598%

Drugs named by CMS: 2 in 2019, 23 in 2018.

See all prescribing by Dr. Ramirez

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

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Dr. David Arthur Ramirez has 1 publication on record

Dmand AI links 1 paper to Dr. Ramirez in 2011.

Papers1

Recent publications by Dr. Ramirez

See all 1 publications and co-authors

See who Dr. Ramirez researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ramirez 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. David Arthur Ramirez received $52 in industry payments from 2016 to 2020

CMS Open Payments shows 3 general payments to Dr. Ramirez from 3 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $24.

General payments to Dr. Ramirez by program year, 2016 to 2020

Companies that paid Dr. Ramirez the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Ramirez

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

Dr. David Arthur Ramirez graduated from Harvard Medical School

Dr. Ramirez graduated from Harvard Medical School in 2000.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Dr. David Arthur Ramirez accepts plans from 5 insurance carriers

Dr. Ramirez is in network with 5 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • RI State Medicaid

Plan types Dr. Ramirez accepts, by number of carriers

  1. Medicare4
  2. PPO4
  3. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. David Arthur Ramirez'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (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. David Arthur Ramirez

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. David Arthur Ramirez's NPI number?

Dr. David Arthur Ramirez's NPI number is 1497829931. It was assigned on November 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David Arthur Ramirez?

Dr. David Arthur Ramirez is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. David Arthur Ramirez practice?

Dr. Ramirez practices at 301 University Boulevard, Galveston, TX 77555. Dr. Ramirez also practices at 650 5th St, San Francisco, CA 94107. Dr. Ramirez's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System. Dmand AI also links Dr. Ramirez to 1 medical group.

What is Dr. David Arthur Ramirez's office phone number?

The practice phone on file for Dr. Ramirez is (409) 772-1011.

What is Dr. David Arthur Ramirez's medical license number?

Dr. Ramirez holds California license A79500, one of the licenses on file in 3 states.

Which states has Dr. David Arthur Ramirez been licensed in?

Dmand AI has state licenses on file for Dr. Ramirez in California (2010 to 2026), Florida (since 2021) and Michigan (2021 to 2024).

Which hospitals is Dr. David Arthur Ramirez affiliated with?

Dr. Ramirez practices at John Sealy Hospital in Galveston, Texas.

Where did Dr. David Arthur Ramirez go to medical school?

Dr. Ramirez graduated from Harvard Medical School in 2000.

What drugs does Dr. David Arthur Ramirez prescribe most?

In 2019 Medicare Part D data, Dr. Ramirez's most prescribed drugs by claims were Insulin Syringe and Humulin 70-30.

Has Dr. David Arthur Ramirez received payments from drug or device companies?

CMS Open Payments shows $52 in general payments to Dr. Ramirez from 3 companies from 2016 to 2020. The largest total came from Merck Sharp & Dohme Corporation.

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How long has Dr. David Arthur Ramirez been practicing?

Dr. Ramirez graduated from medical school in 2000, 26 years ago.

Does Dr. David Arthur Ramirez do research?

Dmand AI links 1 publication to Dr. Ramirez.

What insurance does Dr. David Arthur Ramirez accept?

Dr. Ramirez is in network with 5 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

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