Dr. Philip H. Keiser, MD
- Medicare services, 2021
- 97
- Part D claims, 2024
- 47
- Publications
- 97
- Industry payments
- $67,449
- Affiliated sites
- 1
- Practice address
- 2602 Ave Q, Galveston, TX 77550
- Practice phone
- Call (409) 938-2345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Galveston Area Ambulance Authority
Galveston, Texas
Find Dr. Keiser's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Philip H. Keiser is an infectious disease specialist in Galveston, Texas
Dr. Keiser practices at Galveston Area Ambulance Authority in Galveston, Texas.
Dr. Keiser's NPI, 1790748424, was assigned on April 12, 2006. Dr. Keiser graduated from University of Maryland School of Medicine - Baltimore in 1986. Dr. Keiser holds Texas license J5372.
- NPI
- 1790748424NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2006
- NPI status
- Active
- Practice phone
- (409) 938-2345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Philip H. Keiser practices at Galveston Area Ambulance Authority in Galveston, Texas
Dr. Keiser's primary practice is Galveston Area Ambulance Authority, at 2602 Ave Q, Galveston, TX 77550 in Galveston County. The practice phone is (409) 938-2345.
- Galveston Area Ambulance Authority2602 Ave Q, Galveston, TX 77550 · Galveston CountyPhone(409) 938-2345
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Philip H. Keiser is affiliated with 2 sites of care and 1 medical group
Dr. Keiser's primary practice is Galveston Area Ambulance Authority in Galveston, Texas. The medical group on file is UTMB Faculty Group Practice. Dmand AI also links Dr. Keiser to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Philip H. Keiser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keiser practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Galveston Area Ambulance Authority | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Philip H. Keiser is one of 629 infectious disease specialists in Texas
Infectious disease is Dr. Keiser's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Keiser is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Keiser's licenses on file in 2 states: Texas and Maryland.
Specialties and state licenses
- Infectious disease, TexasPrimary
- Maryland license
Infectious disease specialists near Dr. Keiser
Counts of infectious disease specialists 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. Philip H. Keiser billed Medicare for 97 services in 2021
CMS data shows 97 Medicare services from Dr. Keiser across 3 procedure codes in 2021. Medicare paid $8,097 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Keiser's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1822021: 9747%
Dr. Keiser compared with the Texas median for infectious disease specialists, 2021
- Dr. Keiser
- Texas median
- Medicare services
- 97vs 39275% below
- Part D claims
- 56vs 20072% below
Medians across 571 infectious disease specialists in Texas with Dmand AI profiles that report each measure.
Dr. Keiser's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Keiser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keiser and other infectious disease specialists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Philip H. Keiser's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Keiser's median patient age at 53, with 47% women.
Dr. Keiser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Philip H. Keiser wrote 47 Medicare Part D claims in 2024
In 2024, Dr. Keiser wrote 47 Medicare Part D claims for 11 patients. 77% of them were for generic drugs. They cover 4 drugs, with $84,629 in total drug cost. In 2022, CMS named 163 claims across 9 drugs.
Dr. Keiser's Part D claims by kind of drug, 2024
- Generic36 claims77%
- Brand-name and other11 claims23%
Dr. Keiser's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1632023: 5666%
Drugs named by CMS: 4 in 2023, 9 in 2022.
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
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Dr. Philip H. Keiser has 97 publications on record
Dmand AI links 97 papers to Dr. Keiser, published from 2002 to 2023. 2017 was the busiest year, with 5. The most frequent topics are HIV Infections, Kenya and HIV-1. Dr. Keiser has published most often in Clin Infect Dis. Dr. Keiser's most frequent co-authors are Daniel Jay Skiest, MD, Lauren Allison Raimer-Goodman, MD and Benny G. Raimer, MD.
Dr. Keiser's papers by year, 2013 to 2023
Topics Dr. Keiser writes about most
- HIV Infections
- Kenya
- HIV-1
- Antiretroviral Therapy, Highly Active
- CD4 Lymphocyte Count
- AIDS-Related Opportunistic Infections
- Anti-HIV Agents
- HIV Protease Inhibitors
Dr. Keiser's most frequent co-authors
- Daniel Jay Skiest, MD11 shared papers
- Lauren Allison Raimer-Goodman, MD9 shared papers
- Benny G. Raimer, MD4 shared papers
Recent publications by Dr. Keiser
See who Dr. Keiser researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Keiser works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Philip H. Keiser received $67,449 in industry payments from 2016 to 2022
CMS Open Payments shows 97 general payments to Dr. Keiser from 4 drug and device companies from 2016 to 2022. Consulting fees make up the largest share, 51% of the total. Gilead Sciences, Inc. paid the most, $37,313.
General payments to Dr. Keiser by program year, 2016 to 2022
General payments to Dr. Keiser by kind, 2016 to 2022
- Consulting fees$34,39351%
- Speaker and faculty fees$20,70631%
- Travel and lodging$9,78615%
- Food and beverage$2,5294%
- Education$360%
Companies that paid Dr. Keiser the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Philip H. Keiser has 18 awards and honors on record
Dmand AI lists 18 awards for Dr. Keiser, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Keiser
- 2014
- America's Top Doctors
- Houston's Best Doctors
- Teaching Award
- 2013
- Marshall for UTMB Medical School Graduation
- Top Doctors:SE Texas
- 2011
- Texas Super Doctors
Source: Dmand AI Professional Profile Data
Dr. Philip H. Keiser graduated from University of Maryland School of Medicine - Baltimore
Dr. Keiser graduated from University of Maryland School of Medicine - Baltimore in 1986.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Philip H. Keiser accepts plans from 21 insurance carriers
Dr. Keiser is in network with 21 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- +13 more carriersWith a free account
Plan types Dr. Keiser accepts, by number of carriers
- HMO13
- PPO13
- Medicare10
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Philip H. Keiser's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Philip H. Keiser
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. Philip H. Keiser's NPI number?
Dr. Philip H. Keiser's NPI number is 1790748424. It was assigned on April 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Philip H. Keiser?
Dr. Philip H. Keiser is an infectious disease specialist in Galveston, Texas. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Philip H. Keiser practice?
Dr. Keiser practices at 2602 Ave Q, Galveston, TX 77550. Dr. Keiser's primary practice is Galveston Area Ambulance Authority in Galveston, Texas. Dmand AI also links Dr. Keiser to 1 group practice or clinic.
What is Dr. Philip H. Keiser's office phone number?
The practice phone on file for Dr. Keiser is (409) 938-2345.
What is Dr. Philip H. Keiser's medical license number?
Dr. Keiser holds Texas license J5372, one of the licenses on file in 2 states.
Which states has Dr. Philip H. Keiser been licensed in?
Dmand AI has state licenses on file for Dr. Keiser in Texas (1994 to 2026) and Maryland (1988 to 1994).
What medical group is Dr. Philip H. Keiser part of?
Dr. Keiser is linked to UTMB Faculty Group Practice.
Does Dr. Philip H. Keiser accept Medicare?
Yes. CMS data shows Dr. Keiser billed Medicare for 97 services in 2021.
Is Dr. Philip H. Keiser board certified?
Yes. Dr. Keiser is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Philip H. Keiser bill to Medicare?
In 2021, Dr. Keiser's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Show 7 more questionsShow fewer questions
Where did Dr. Philip H. Keiser go to medical school?
Dr. Keiser graduated from University of Maryland School of Medicine - Baltimore in 1986.
What drugs does Dr. Philip H. Keiser prescribe most?
In 2023 Medicare Part D data, Dr. Keiser's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Gabapentin and Descovy.
Has Dr. Philip H. Keiser received payments from drug or device companies?
CMS Open Payments shows $67,449 in general payments to Dr. Keiser from 4 companies from 2016 to 2022. The largest total came from Gilead Sciences, Inc.
How long has Dr. Philip H. Keiser been practicing?
Dr. Keiser graduated from medical school in 1986, 40 years ago.
Does Dr. Philip H. Keiser do research?
Dmand AI links 97 publications to Dr. Keiser, published from 2002 to 2023.
Who does Dr. Philip H. Keiser publish with?
Dr. Keiser's most frequent co-authors are Daniel Jay Skiest, MD (11 shared papers), Lauren Allison Raimer-Goodman, MD (9 shared papers) and Benny G. Raimer, MD (4 shared papers).
What insurance does Dr. Philip H. Keiser accept?
Dr. Keiser is in network with 21 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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