Dr. Howard A. Zaren, MD
- Medicare services, 2022
- 356
- Part D claims, 2022
- 33
- Publications
- 5
- Clinical trials
- 10
- Medical groups
- 2
- Practice address
- 5353 Reynolds St, Savannah, GA 31405
- Practice phone
- Call (912) 819-8455
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Josephs/Candler - Candler Hospital Campus
Savannah, Georgia
Find Dr. Zaren'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. Howard A. Zaren is a surgical oncologist in Savannah, Georgia
Dr. Zaren practices at St Josephs/Candler - Candler Hospital Campus in Savannah, Georgia.
Dr. Zaren's NPI, 1306895073, was assigned on May 9, 2006. Dr. Zaren holds Georgia license 61684.
- NPI
- 1306895073NPI Registry (opens in a new tab)
- NPI enumeration date
- May 9, 2006
- NPI status
- Active
- Practice phone
- (912) 819-8455
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Howard A. Zaren practices at St Josephs/Candler - Candler Hospital Campus in Savannah, Georgia
Dr. Zaren's primary practice is St Josephs/Candler - Candler Hospital Campus, at 5353 Reynolds St, Savannah, GA 31405 in Chatham County. The practice phone is (912) 819-8455.
- St Josephs/Candler - Candler Hospital Campus5353 Reynolds St, Savannah, GA 31405 · Chatham CountyPhone(912) 819-8455
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Howard A. Zaren is affiliated with 1 site of care and 2 medical groups
Dr. Zaren's primary practice is St Josephs/Candler - Candler Hospital Campus in Savannah, Georgia. The medical group on file is Signify Health. Dmand AI also links Dr. Zaren to 1 more medical group, 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. Howard A. Zaren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zaren practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Josephs/Candler - Candler Hospital Campus | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Howard A. Zaren is one of 48 surgical oncologists in Georgia
Surgical oncology is Dr. Zaren's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dmand AI has Dr. Zaren's licenses on file in 2 states: Georgia and Illinois.
Specialties and state licenses
- Surgical oncology, GeorgiaPrimary
- Illinois license
Surgical oncologists near Dr. Zaren
Counts of surgical oncologists 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. Howard A. Zaren billed Medicare for 356 services in 2022
CMS data shows 356 Medicare services from Dr. Zaren across 7 procedure codes in 2022. Medicare paid $33,253 for them.
Dr. Zaren's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 3722022: 29521%
- Surgery
- 2021: 372022: 5035%
- Tests and treatments
- 2021: 122022: 118%
Where Dr. Zaren's Medicare services took place, 2022
- In an office30686%
- In a facility5014%
Dr. Zaren compared with the Georgia median for surgical oncologists, 2022
- Dr. Zaren
- Georgia median
- Medicare services
- 356vs 1272.8 times
- Part D claims
- 33vs 4425% below
Medians across 44 surgical oncologists in Georgia with Dmand AI profiles that report each measure.
Dr. Zaren's most billed Medicare procedure codes, 2022
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. Zaren?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zaren and other surgical oncologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Howard A. Zaren's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Zaren's median patient age at 75, with 65% women.
Dr. Zaren'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
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Howard A. Zaren wrote 33 Medicare Part D claims in 2022
In 2022, Dr. Zaren wrote 33 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $75 in total drug cost. In 2021, CMS named 40 claims across 1 drug.
Dr. Zaren's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 402022: 3318%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Howard A. Zaren has 5 publications on record
Dmand AI links 5 papers to Dr. Zaren, published from 2013 to 2023. 2015 was the busiest year, with 2. Dr. Zaren's most frequent co-authors are Melissa K. Accordino, Toni K. Choueiri, MD and Bryan A. Faller, MD.
Dr. Zaren's papers by year, 2013 to 2023
Dr. Zaren's most frequent co-authors
- Melissa K. Accordino1 shared paper
- Toni K. Choueiri, MD1 shared paper
- Bryan A. Faller, MD1 shared paper
Recent publications by Dr. Zaren
See who Dr. Zaren researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zaren works with, so you can find a warm path to the right surgical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Howard A. Zaren has worked on 10 clinical trials
Dmand AI links Dr. Zaren to 10 clinical trials, 5 of them phase 3 studies. 9 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Fallopian Tube Diseases. National Cancer Institute (NCI) sponsors the most, 9.
Clinical trials with Dr. Zaren by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 2Phase 2/3: 2 trials
- 5Phase 3: 5 trials
- NonePhase 4: no trials
Conditions in Dr. Zaren's trials
- Carcinoma, Non-Small-Cell Lung
- Carcinoma, Bronchogenic
- Fallopian Tube Diseases
- Breast Carcinoma In Situ
- Cystadenocarcinoma
Investigators on the most trials with Dr. Zaren
- Jeffrey Kent Giguere, MD6 shared trials
- Thomas H. Openshaw, MD6 shared trials
- Ashkan Bahrani, MD5 shared trials
Recent clinical trials with Dr. Zaren
Stereotactic Body Radiation Therapy or Intensity-Modulated Radiation Therapy in Treating Patients With Stage IIA-B Prostate Cancer (opens in a new tab)
Testing MK-3475 (Pembrolizumab) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer (opens in a new tab)
Nivolumab After Surgery and Chemotherapy in Treating Patients With Stage IB-IIIA Non-small Cell Lung Cancer (An ALCHEMIST Treatment Trial) (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Sources for Dr. Howard A. Zaren'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Howard A. Zaren
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. Howard A. Zaren's NPI number?
Dr. Howard A. Zaren's NPI number is 1306895073. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Howard A. Zaren?
Dr. Howard A. Zaren is a surgical oncologist in Savannah, Georgia. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Howard A. Zaren practice?
Dr. Zaren practices at 5353 Reynolds St, Savannah, GA 31405. Dr. Zaren's primary practice is St Josephs/Candler - Candler Hospital Campus in Savannah, Georgia. Dmand AI also links Dr. Zaren to 1 medical group.
What is Dr. Howard A. Zaren's office phone number?
The practice phone on file for Dr. Zaren is (912) 819-8455.
What is Dr. Howard A. Zaren's medical license number?
Dr. Zaren holds Georgia license 61684, one of the licenses on file in 2 states.
Which states has Dr. Howard A. Zaren been licensed in?
Dmand AI has state licenses on file for Dr. Zaren in Georgia and Illinois.
What medical group is Dr. Howard A. Zaren part of?
Dr. Zaren is linked to Signify Health. Dmand AI links Dr. Zaren to 1 more medical group.
Does Dr. Howard A. Zaren accept Medicare?
Yes. CMS data shows Dr. Zaren billed Medicare for 356 services in 2022.
What services does Dr. Howard A. Zaren bill to Medicare?
In 2022, Dr. Zaren's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99204).
What drugs does Dr. Howard A. Zaren prescribe most?
In 2022 Medicare Part D data, Dr. Zaren's most prescribed drugs by claims were Tramadol HCl.
Show 3 more questionsShow fewer questions
How long has Dr. Howard A. Zaren been practicing?
Dr. Zaren graduated from medical school in 1971, 55 years ago.
Does Dr. Howard A. Zaren do research?
Dmand AI links 5 publications to Dr. Zaren, published from 2013 to 2023. Dr. Zaren has worked on 10 clinical trials.
Who does Dr. Howard A. Zaren publish with?
Dr. Zaren's most frequent co-authors are Melissa K. Accordino (1 shared paper), Toni K. Choueiri, MD (1 shared paper) and Bryan A. Faller, MD (1 shared paper).
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