Dr. Timothy J. Zeien II, MD
- Medicare services, 2024
- 1,493
- Medicare patients, 2024
- 506
- Part D claims, 2024
- 7,579
- Hospital affiliations
- 5
- Industry payments
- $3,834
- Practice address
- 620 10th N St, Saint Petersburg, FL 33705
- Practice phone
- Call (727) 281-9065
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baycare Medical Group, Inc.
Saint Petersburg, Florida
Find Dr. Zeien'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. Timothy J. Zeien II is an internist in Saint Petersburg, Florida
Dr. Zeien practices at Baycare Medical Group, Inc. in Saint Petersburg, Florida.
Dr. Zeien's NPI, 1710939616, was assigned on May 17, 2006. Dr. Zeien graduated from University of Miami, Miller School of Medicine in 1995. Dr. Zeien holds Florida license ME0091822.
- NPI
- 1710939616NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941236343
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (727) 281-9065
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy J. Zeien II practices at Baycare Medical Group, Inc. in Saint Petersburg, Florida
Dr. Zeien's primary practice is Baycare Medical Group, Inc., at 620 10th N St, Saint Petersburg, FL 33705 in Pinellas County. The practice phone is (727) 281-9065.
- Baycare Medical Group, Inc.620 10th N St, Saint Petersburg, FL 33705 · Pinellas CountyPhone(727) 281-9065
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Timothy J. Zeien II is affiliated with 9 sites of care and 1 medical group
Dr. Zeien's primary practice is Baycare Medical Group, Inc. in Saint Petersburg, Florida. Dr. Zeien is also affiliated with BayCare St. Joseph's Hospital. The medical group on file is BayCare Medical Group. Dmand AI also links Dr. Zeien to 4 more hospitals, 2 home health agencies and 1 group practice or clinic, 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. Timothy J. Zeien II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zeien practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baycare Medical Group, Inc. | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy J. Zeien II is one of 9,009 internists in Florida
Internal medicine is Dr. Zeien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zeien is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Zeien's licenses on file in 2 states: Florida and Texas.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- Texas license
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), alzheimer's disease, aneurysm, ankle or foot injury, anxiety, aortic atherosclerois and arthritis among the conditions Dr. Zeien treats.
Internists near Dr. Zeien
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. Timothy J. Zeien II billed Medicare for 1,493 services in 2024
CMS data shows 1,493 Medicare services from Dr. Zeien across 13 procedure codes in 2024, for 506 Medicare patients. Medicare paid $143,230 for them. Every service was in an office.
Dr. Zeien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0322024: 9963%
- Other services
- 2023: 4612024: 39215%
- Tests and treatments
- 2023: 1262024: 8731%
- Lab and pathology
- 2023: 232024: 1822%
Dr. Zeien compared with the Florida median for internists, 2024
- Dr. Zeien
- Florida median
- Medicare services
- 1,493vs 5552.7 times
- Medicare patients
- 506vs 2152.4 times
- Part D claims
- 7,008vs 46615.0 times
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Zeien'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.
Need commercial claims for Dr. Zeien?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zeien and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy J. Zeien II treated 506 Medicare patients in 2024, average age 77
CMS counts 506 Medicare patients who saw Dr. Zeien in 2024. The largest group is 75 to 84, with 219 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zeien's median patient age at 75, with 42% women.
Dr. Zeien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zeien's Medicare patients by sex, 2024
- Women22043%
- Men28657%
Chronic conditions among Dr. Zeien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Arthritis54%
- Chronic kidney disease37%
- Atrial fibrillation26%
- Diabetes25%
- Heart failure25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zeien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women42%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy J. Zeien II wrote 7,579 Medicare Part D claims in 2024
In 2024, Dr. Zeien wrote 7,579 Medicare Part D claims for 818 patients. 90% of them were for generic drugs. CMS names the drug for 7,008 of them, across 104 drugs with 11 or more claims each, at $291,606 in total drug cost. In 2023, CMS named 6,877 claims across 99 drugs.
Dr. Zeien's Part D claims by kind of drug, 2024
- Generic6,830 claims90%
- Brand-name729 claims10%
- Other20 claims0%
Dr. Zeien'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. Zeien's Part D claims, 2024
- Opioids0%12 of 7,579 claims
- Antibiotics2%121 of 7,579 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: 6,8772024: 7,0082%
Drugs named by CMS: 104 in 2024, 99 in 2023.
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
Dr. Timothy J. Zeien II offers telehealth to Medicare patients
Dr. Zeien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zeien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Timothy J. Zeien II received $3,834 in industry payments from 2016 to 2025
CMS Open Payments shows 196 general payments to Dr. Zeien from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $733.
General payments to Dr. Zeien by program year, 2016 to 2025
General payments to Dr. Zeien by kind, 2016 to 2025
- Food and beverage$3,820100%
- Education$140%
Companies that paid Dr. Zeien the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy J. Zeien II has 1 award and honors on record
Dmand AI lists 1 award for Dr. Zeien, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Zeien
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Timothy J. Zeien II graduated from University of Miami, Miller School of Medicine
Dr. Zeien graduated from University of Miami, Miller School of Medicine in 1995.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Timothy J. Zeien II accepts plans from 16 insurance carriers
Dr. Zeien is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Dr. Zeien accepts, by number of carriers
- PPO11
- Medicare10
- HMO8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy J. Zeien II'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Timothy J. Zeien II
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. Timothy J. Zeien II's NPI number?
Dr. Timothy J. Zeien II's NPI number is 1710939616. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy J. Zeien II?
Dr. Timothy J. Zeien II is an internist in Saint Petersburg, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Timothy J. Zeien II practice?
Dr. Zeien practices at 620 10th N St, Saint Petersburg, FL 33705. Dr. Zeien's primary practice is Baycare Medical Group, Inc. in Saint Petersburg, Florida. Dmand AI also links Dr. Zeien to 4 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. Timothy J. Zeien II's office phone number?
The practice phone on file for Dr. Zeien is (727) 281-9065.
What is Dr. Timothy J. Zeien II's medical license number?
Dr. Zeien holds Florida license ME0091822, one of the licenses on file in 2 states.
Which states has Dr. Timothy J. Zeien II been licensed in?
Dmand AI has state licenses on file for Dr. Zeien in Florida (2004 to 2027) and Texas (2005 to 2026).
Which hospitals is Dr. Timothy J. Zeien II affiliated with?
Dr. Zeien is affiliated with BayCare St. Joseph's Hospital. Dmand AI links Dr. Zeien to 4 more hospitals.
What medical group is Dr. Timothy J. Zeien II part of?
Dr. Zeien is linked to BayCare Medical Group.
Does Dr. Timothy J. Zeien II accept Medicare?
Yes. CMS data shows Dr. Zeien billed Medicare for 1,493 services in 2024, and Dr. Zeien accepts Medicare assignment.
Does Dr. Timothy J. Zeien II offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zeien as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Timothy J. Zeien II see?
CMS counts 506 Medicare patients who saw Dr. Zeien in 2024, with an average age of 77.
Is Dr. Timothy J. Zeien II board certified?
Yes. Dr. Zeien is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Timothy J. Zeien II bill to Medicare?
In 2024, Dr. Zeien's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Timothy J. Zeien II go to medical school?
Dr. Zeien graduated from University of Miami, Miller School of Medicine in 1995.
What drugs does Dr. Timothy J. Zeien II prescribe most?
In 2024 Medicare Part D data, Dr. Zeien's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Timothy J. Zeien II received payments from drug or device companies?
CMS Open Payments shows $3,834 in general payments to Dr. Zeien from 25 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Timothy J. Zeien II been practicing?
Dr. Zeien graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Timothy J. Zeien II accept?
Dr. Zeien is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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