Bariatric SurgeryLength of StayObesity, Morbid
Dr. Nicholas Alexander Gastaldo, DO
NPI1235626821PAC ID4082967955
- Part D claims, 2024
- 39
- Publications
- 2
- MIPS score, 2024
- 83
- Hospital affiliations
- 3
- Industry payments
- $3,811
- Practice address
- 667 Eastland Ave SE, Warren, OH 44484
- Practice phone
- Call (330) 841-4016
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gastaldo'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. Nicholas Alexander Gastaldo is a general surgeon in Warren, Ohio
Dr. Gastaldo practices at Mercy Health - St. Joseph Warren Hospital in Warren, Ohio, part of Bon Secours Mercy Health.
Dr. Gastaldo's NPI, 1235626821, was assigned on April 18, 2018. Dr. Gastaldo graduated from Ohio University, College of Osteopathic Medicine in 2018. Dr. Gastaldo holds Virginia license 0102207760.
NPI and contact details
- NPI
- 1235626821NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082967955
- NPI enumeration date
- April 18, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 841-4016
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Alexander Gastaldo practices at Mercy Health - St. Joseph Warren Hospital in Warren, Ohio
Dr. Gastaldo's primary practice is Mercy Health - St. Joseph Warren Hospital, at 667 Eastland Ave SE, Warren, OH 44484 in Trumbull County. The practice phone is (330) 841-4016.
- Mercy Health - St. Joseph Warren Hospital667 Eastland Ave SE, Warren, OH 44484 · Trumbull CountyPhone(330) 841-4016
Source: Dmand AI Affiliation Data
Dr. Nicholas Alexander Gastaldo is affiliated with 4 sites of care and 2 medical groups
Dr. Gastaldo's primary practice is Mercy Health - St. Joseph Warren Hospital in Warren, Ohio, part of Bon Secours Mercy Health. Dr. Gastaldo is also affiliated with Mercy Health - St. Elizabeth Youngstown Hospital. The medical group on file is Mercy Health Physicians. Dmand AI also links Dr. Gastaldo to 1 more hospital, 1 hospital outpatient department and 1 medical group, each named with a free account.
Mercy Health - St. Elizabeth Youngstown HospitalMercy Health Physicians1 hospitalName with a free account1 hospital outpatient departmentName with a free account1 medical groupName with a free account
See all 6 affiliations for Dr. GastaldoSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicholas Alexander Gastaldo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gastaldo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Health - St. Joseph Warren Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nicholas Alexander Gastaldo is one of 1,056 general surgeons in Ohio
Surgery is Dr. Gastaldo's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gastaldo is licensed in Virginia.
Specialties and state licenses
- Surgery, VirginiaPrimary
General surgeons near Dr. Gastaldo
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,056general surgeons in Ohio
9general surgeons in Warren
9general surgeons at Mercy Health - St. Joseph Warren HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nicholas Alexander Gastaldo's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Gastaldo's median patient age at 49, with 65% women.
Dr. Gastaldo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women65%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Nicholas Alexander Gastaldo wrote 39 Medicare Part D claims in 2024
In 2024, Dr. Gastaldo wrote 39 Medicare Part D claims for 14 patients. 100% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $63 in total drug cost. In 2022, CMS named 23 claims across 1 drug.
Part D claims, 202439
Drugs named by CMS1
Total drug cost$63
Part D patients14
Dr. Gastaldo'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: 232023: 1630%
Drugs named by CMS: 1 in 2023, 1 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
Dr. Nicholas Alexander Gastaldo scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Gastaldo for performance year 2024, reported as part of a group. Dr. Gastaldo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Gastaldo, more than 46% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Gastaldo's MIPS scores, performance year 2024
- 83of 100Final score
- 73of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Gastaldo ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 46th percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nicholas Alexander Gastaldo has 2 publications on record
Dmand AI links 2 papers to Dr. Gastaldo, published from 2016 to 2020. Dr. Gastaldo's most frequent co-authors are Walter J. Chlysta, MD, Christopher Ryan Daigle, MD and Jennifer Taylor Wajahn.
Papers2
Years published2016 to 2020
Dr. Gastaldo's most frequent co-authors
- Walter J. Chlysta, MD1 shared paper
- Christopher Ryan Daigle, MD1 shared paper
- Jennifer Taylor Wajahn1 shared paper
Recent publications by Dr. Gastaldo
See who Dr. Gastaldo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gastaldo works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicholas Alexander Gastaldo received $3,811 in industry payments from 2019 to 2025
CMS Open Payments shows 26 general payments to Dr. Gastaldo from 6 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 41% of the total. Intuitive Surgical, Inc. paid the most, $1,646.
General payments to Dr. Gastaldo by program year, 2019 to 2025
General payments to Dr. Gastaldo by kind, 2019 to 2025
$3.8Kin total
- Food and beverage$1,54941%
- Travel and lodging$1,26233%
- Education$1,00026%
Companies that paid Dr. Gastaldo the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas Alexander Gastaldo graduated from Ohio University, College of Osteopathic Medicine
Dr. Gastaldo graduated from Ohio University, College of Osteopathic Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Alexander Gastaldo'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Nicholas Alexander Gastaldo
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. Nicholas Alexander Gastaldo's NPI number?
Dr. Nicholas Alexander Gastaldo's NPI number is 1235626821. It was assigned on April 18, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Alexander Gastaldo?
Dr. Nicholas Alexander Gastaldo is a general surgeon in Warren, Ohio. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nicholas Alexander Gastaldo practice?
Dr. Gastaldo practices at 667 Eastland Ave SE, Warren, OH 44484. Dr. Gastaldo's primary practice is Mercy Health - St. Joseph Warren Hospital in Warren, Ohio, part of Bon Secours Mercy Health. Dmand AI also links Dr. Gastaldo to 1 hospital, 1 hospital outpatient department and 1 medical group.
What is Dr. Nicholas Alexander Gastaldo's office phone number?
The practice phone on file for Dr. Gastaldo is (330) 841-4016.
What is Dr. Nicholas Alexander Gastaldo's medical license number?
Dr. Gastaldo holds Virginia license 0102207760.
Which hospitals is Dr. Nicholas Alexander Gastaldo affiliated with?
Dr. Gastaldo practices at Mercy Health - St. Joseph Warren Hospital in Warren, Ohio. Dr. Gastaldo is also affiliated with Mercy Health - St. Elizabeth Youngstown Hospital. Dmand AI links Dr. Gastaldo to 1 more hospital.
What medical group is Dr. Nicholas Alexander Gastaldo part of?
Dr. Gastaldo is linked to Mercy Health Physicians. Dmand AI links Dr. Gastaldo to 1 more medical group.
Does Dr. Nicholas Alexander Gastaldo accept Medicare?
Yes. CMS lists Dr. Gastaldo as accepting Medicare assignment.
What is Dr. Nicholas Alexander Gastaldo's MIPS score?
Dr. Gastaldo's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Where did Dr. Nicholas Alexander Gastaldo go to medical school?
Dr. Gastaldo graduated from Ohio University, College of Osteopathic Medicine in 2018.
Show 5 more questionsShow fewer questions
What drugs does Dr. Nicholas Alexander Gastaldo prescribe most?
In 2023 Medicare Part D data, Dr. Gastaldo's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Nicholas Alexander Gastaldo received payments from drug or device companies?
CMS Open Payments shows $3,811 in general payments to Dr. Gastaldo from 6 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Nicholas Alexander Gastaldo been practicing?
Dr. Gastaldo graduated from medical school in 2018, 8 years ago.
Does Dr. Nicholas Alexander Gastaldo do research?
Dmand AI links 2 publications to Dr. Gastaldo, published from 2016 to 2020.
Who does Dr. Nicholas Alexander Gastaldo publish with?
Dr. Gastaldo's most frequent co-authors are Walter J. Chlysta, MD (1 shared paper), Christopher Ryan Daigle, MD (1 shared paper) and Jennifer Taylor Wajahn (1 shared paper).
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