Dr. Mark E. Hammer, MD
- Medicare services, 2016
- 11,060
- Part D claims, 2024
- 25
- Publications
- 20
- Industry payments
- $1,605
- Affiliated sites
- 1
- Practice address
- 2901 W Swann Ave, Tampa, FL 33609
- Practice phone
- Call (813) 873-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
HCA Florida South Tampa Hospital
Tampa, Florida
Find Dr. Hammer'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. Mark E. Hammer is an ophthalmologist in Tampa, Florida
Dr. Hammer practices at HCA Florida South Tampa Hospital in Tampa, Florida.
Dr. Hammer's NPI, 1356304745, was assigned on April 8, 2006. Dr. Hammer graduated from Vagelos College of Physicians and Surgeons in 1971. Dr. Hammer holds Florida license ME34612.
- NPI
- 1356304745NPI Registry (opens in a new tab)
- NPI enumeration date
- April 8, 2006
- NPI status
- Active
- Practice phone
- (813) 873-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark E. Hammer practices at HCA Florida South Tampa Hospital in Tampa, Florida
Dr. Hammer's primary practice is HCA Florida South Tampa Hospital, at 2901 W Swann Ave, Tampa, FL 33609 in Hillsborough County. The practice phone is (813) 873-6400.
- HCA Florida South Tampa Hospital2901 W Swann Ave, Tampa, FL 33609 · Hillsborough CountyPhone(813) 873-6400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark E. Hammer is affiliated with 2 sites of care and 1 medical group
Dr. Hammer's primary practice is HCA Florida South Tampa Hospital in Tampa, Florida. Dmand AI also links Dr. Hammer to 1 group practice or clinic and 1 medical group, each 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. Mark E. Hammer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hammer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Florida South Tampa Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark E. Hammer is one of 1,398 ophthalmologists in Florida
Ophthalmology is Dr. Hammer's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Hammer is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Hammer's licenses on file in 6 states: Florida, California, Oregon, New York, New Mexico and South Carolina.
Specialties and state licenses
- Ophthalmology, FloridaPrimary
- California license
- Oregon license
- New York license
- New Mexico license
- South Carolina license
Ophthalmologists near Dr. Hammer
Counts of ophthalmologists 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. Mark E. Hammer billed Medicare for 11,060 services in 2016
CMS data shows 11,060 Medicare services from Dr. Hammer across 14 procedure codes in 2016. Medicare paid $2,581,669 for them. Every service was in an office.
Dr. Hammer's Medicare services by type, 2016
- Drugs given in the office6,921
- Tests and treatments2,223
- Surgery1,623
- Office and hospital visits239
- Imaging54
Dr. Hammer compared with the Florida median for ophthalmologists, 2016
- Dr. Hammer
- Florida median
- Medicare services
- 11,060vs 1,6996.5 times
- Part D claims
- 106vs 81887% below
Medians across 1,345 ophthalmologists in Florida with Dmand AI profiles that report each measure.
Dr. Hammer's most billed Medicare procedure codes, 2016
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. Hammer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hammer and other ophthalmologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark E. Hammer's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Dr. Hammer's median patient age at 84, with 67% women.
Dr. Hammer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Mark E. Hammer wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Hammer wrote 25 Medicare Part D claims. 88% of them were for generic drugs. They cover 5 drugs, with $8,286 in total drug cost.
Dr. Hammer's Part D claims by kind of drug, 2024
- Generic22 claims88%
- Brand-name and other3 claims12%
Dr. Hammer's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Mark E. Hammer has 20 publications on record
Dmand AI links 20 papers to Dr. Hammer in 2014. The most frequent topics are Visual Acuity, Retinal Detachment and Cryosurgery. Dr. Hammer has published most often in Arch Ophthalmol. Dr. Hammer's most frequent co-authors are Daniel A. Brinton, MD, Curtis E. Margo, MD and Marc C. Peden, MD.
Topics Dr. Hammer writes about most
- Visual Acuity
- Retinal Detachment
- Cryosurgery
- Postoperative Complications
- Reoperation
- Vitrectomy
- Cattle
- Ciliary Body
Dr. Hammer's most frequent co-authors
- Daniel A. Brinton, MD2 shared papers
- Curtis E. Margo, MD2 shared papers
- Marc C. Peden, MD2 shared papers
Recent publications by Dr. Hammer
Ophthalmology
Arch Ophthalmol
Graefes Arch Clin Exp Ophthalmol
See who Dr. Hammer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hammer works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark E. Hammer received $1,605 in industry payments from 2016 to 2022
CMS Open Payments shows 30 general payments to Dr. Hammer from 9 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 98% of the total. Genentech, Inc. paid the most, $847.
General payments to Dr. Hammer by program year, 2016 to 2022
General payments to Dr. Hammer by kind, 2016 to 2022
- Food and beverage$1,56798%
- Education$382%
Companies that paid Dr. Hammer 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. Mark E. Hammer has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Hammer.
Awards and honors for Dr. Hammer
- Undated
- AAO Fellow
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Mark E. Hammer graduated from Vagelos College of Physicians and Surgeons
Dr. Hammer graduated from Vagelos College of Physicians and Surgeons in 1971. Dr. Hammer is a member of AAO, ACS, ASRS, Club Jules Gonn, FMA and The Retina Society.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Mark E. Hammer accepts plans from 1 insurance carrier
Dr. Hammer is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
Plan types Dr. Hammer accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark E. Hammer'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. Mark E. Hammer
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. Mark E. Hammer's NPI number?
Dr. Mark E. Hammer's NPI number is 1356304745. It was assigned on April 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark E. Hammer?
Dr. Mark E. Hammer is an ophthalmologist in Tampa, Florida. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Mark E. Hammer practice?
Dr. Hammer practices at 2901 W Swann Ave, Tampa, FL 33609. Dr. Hammer's primary practice is HCA Florida South Tampa Hospital in Tampa, Florida. Dmand AI also links Dr. Hammer to 1 group practice or clinic and 1 medical group.
What is Dr. Mark E. Hammer's office phone number?
The practice phone on file for Dr. Hammer is (813) 873-6400.
What is Dr. Mark E. Hammer's medical license number?
Dr. Hammer holds Florida license ME34612, one of the licenses on file in 6 states.
Which states has Dr. Mark E. Hammer been licensed in?
Dmand AI has state licenses on file for Dr. Hammer in Florida (1979 to 2027), California (since 1986), Oregon (since 1977), New York (1972 to 2000), New Mexico (1973 to 1998) and South Carolina (1980 to 1998).
Does Dr. Mark E. Hammer accept Medicare?
Yes. CMS data shows Dr. Hammer billed Medicare for 11,060 services in 2016.
Is Dr. Mark E. Hammer board certified?
Yes. Dr. Hammer is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Mark E. Hammer bill to Medicare?
In 2016, Dr. Hammer's most billed Medicare services were injected or infused drug (J2778), surgery: eye (67028) and eye exam or test (92014).
Where did Dr. Mark E. Hammer go to medical school?
Dr. Hammer graduated from Vagelos College of Physicians and Surgeons in 1971.
Show 6 more questionsShow fewer questions
What drugs does Dr. Mark E. Hammer prescribe most?
In 2016 Medicare Part D data, Dr. Hammer's most prescribed drugs by claims were Prednisolone Acetate, Prolensa and Acyclovir.
Has Dr. Mark E. Hammer received payments from drug or device companies?
CMS Open Payments shows $1,605 in general payments to Dr. Hammer from 9 companies from 2016 to 2022. The largest total came from Genentech, Inc.
How long has Dr. Mark E. Hammer been practicing?
Dr. Hammer graduated from medical school in 1971, 55 years ago.
Does Dr. Mark E. Hammer do research?
Dmand AI links 20 publications to Dr. Hammer.
Who does Dr. Mark E. Hammer publish with?
Dr. Hammer's most frequent co-authors are Daniel A. Brinton, MD (2 shared papers), Curtis E. Margo, MD (2 shared papers) and Marc C. Peden, MD (2 shared papers).
What insurance does Dr. Mark E. Hammer accept?
Dr. Hammer is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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