Clin Pediatr (Phila)
Milk HypersensitivityMilk ProteinsThrombocytopenia
Dr. Mariastella Serrano, MD
NPI1922080126PAC ID6800828153
- Medicare services, 2024
- 13,541
- Medicare patients, 2024
- 30
- Part D claims, 2016
- 12
- Publications
- 1
- Industry payments
- $7,413
- Practice address
- 2000 15th N St, Arlington, VA 22201
- Practice phone
- Call (443) 444-5606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Medical Group II
Arlington, Virginia
Find Dr. Serrano'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. Mariastella Serrano is a pediatric gastroenterology physician in Arlington, Virginia
Dr. Serrano practices at Medstar Medical Group II in Arlington, Virginia.
Dr. Serrano's NPI, 1922080126, was assigned on November 15, 2005. Dr. Serrano holds District of Columbia license MD045865.
NPI and contact details
- NPI
- 1922080126NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800828153
- NPI enumeration date
- November 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (443) 444-5606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mariastella Serrano practices at Medstar Medical Group II in Arlington, Virginia
Dr. Serrano's primary practice is Medstar Medical Group II, at 2000 15th N St, Arlington, VA 22201 in Arlington County. The practice phone is (443) 444-5606.
- Medstar Medical Group II2000 15th N St, Arlington, VA 22201 · Arlington CountyPhone(443) 444-5606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mariastella Serrano is affiliated with 3 sites of care and 2 medical groups
Dr. Serrano's primary practice is Medstar Medical Group II in Arlington, Virginia. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Serrano to 2 more group practices and clinics and 1 medical group, each named with a free account.
Medstar Medical Group IIPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mariastella Serrano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Serrano practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Medical Group II | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Serrano practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mariastella Serrano is one of 45 pediatric gastroenterology physicians in Virginia
Pediatric gastroenterology is Dr. Serrano's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Serrano is licensed in District of Columbia.
Specialties and state licenses
- Pediatric gastroenterology, District of ColumbiaPrimary
Pediatric gastroenterology physicians near Dr. Serrano
Counts of pediatric gastroenterology physicians with a Dmand AI profile, by place and practice. Each opens the list.
45pediatric gastroenterology physicians in Virginia
3pediatric gastroenterology physicians in Arlington
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mariastella Serrano billed Medicare for 13,541 services in 2024
CMS data shows 13,541 Medicare services from Dr. Serrano across 2 procedure codes in 2024, for 30 Medicare patients. Medicare paid $237,132 for them. Every service was in an office.
Medicare services, 202413,541
Medicare patients30
Paid by Medicare$237,132
Procedure codes2
Dr. Serrano's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Drugs given in the office
- 2022: 02024: 13,500
- Tests and treatments
- 2022: 262024: 4158%
Dr. Serrano compared with the Virginia median for pediatric gastroenterology physicians, 2024
- Dr. Serrano
- Virginia median
- Part D claims
- 12vs 138% below
Medians across 14 pediatric gastroenterology physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Serrano'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. Serrano?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Serrano and other pediatric gastroenterology physicians in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mariastella Serrano treated 30 Medicare patients in 2024, average age 69
CMS counts 30 Medicare patients who saw Dr. Serrano in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 70% have high cholesterol. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Serrano's median patient age at 16, with 48% women.
Medicare patients, 202430
Average age69
Average risk score1.64
Dr. Serrano's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Serrano's Medicare patients by sex, 2024
- Women1963%
- Men1137%
Chronic conditions among Dr. Serrano's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis47%
- Osteoporosis40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Serrano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 16
Patient panel by sex, all payers
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mariastella Serrano wrote 12 Medicare Part D claims in 2016
In 2016, Dr. Serrano wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $733 in total drug cost.
Part D claims, 201612
Drugs named by CMS1
Total drug cost$733
Dr. Serrano'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.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Mariastella Serrano takes part in Medicare
Dr. Serrano accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find pediatric gastroenterology physicians like Dr. Serrano by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mariastella Serrano has 1 publication on record
Dmand AI links 1 paper to Dr. Serrano in 2012.
Papers1
Recent publications by Dr. Serrano
See who Dr. Serrano researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Serrano works with, so you can find a warm path to the right pediatric gastroenterology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mariastella Serrano received $7,413 in industry payments from 2016 to 2025
CMS Open Payments shows 67 general payments to Dr. Serrano from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. Mirum Pharmaceuticals, Inc. paid the most, $5,262.
General payments to Dr. Serrano by program year, 2016 to 2025
General payments to Dr. Serrano by kind, 2016 to 2025
$7.4Kin total
- Consulting fees$4,62562%
- Food and beverage$1,68723%
- Travel and lodging$1,09915%
- Education$20%
Companies that paid Dr. Serrano the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mariastella Serrano'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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) |
| 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. Mariastella Serrano
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. Mariastella Serrano's NPI number?
Dr. Mariastella Serrano's NPI number is 1922080126. It was assigned on November 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mariastella Serrano?
Dr. Mariastella Serrano is a pediatric gastroenterology physician in Arlington, Virginia. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. Mariastella Serrano practice?
Dr. Serrano practices at 2000 15th N St, Arlington, VA 22201. Dr. Serrano's primary practice is Medstar Medical Group II in Arlington, Virginia. Dmand AI also links Dr. Serrano to 2 group practices and clinics and 1 medical group.
What is Dr. Mariastella Serrano's office phone number?
The practice phone on file for Dr. Serrano is (443) 444-5606.
What is Dr. Mariastella Serrano's medical license number?
Dr. Serrano holds District of Columbia license MD045865.
What medical group is Dr. Mariastella Serrano part of?
Dr. Serrano is linked to MedStar Medical Group. Dmand AI links Dr. Serrano to 1 more medical group.
Does Dr. Mariastella Serrano accept Medicare?
Yes. CMS data shows Dr. Serrano billed Medicare for 13,541 services in 2024, and Dr. Serrano accepts Medicare assignment.
How many Medicare patients does Dr. Mariastella Serrano see?
CMS counts 30 Medicare patients who saw Dr. Serrano in 2024, with an average age of 69.
What services does Dr. Mariastella Serrano bill to Medicare?
In 2024, Dr. Serrano's most billed Medicare services were injected or infused drug (J3380) and infusion or chemotherapy administration (96365).
What drugs does Dr. Mariastella Serrano prescribe most?
In 2016 Medicare Part D data, Dr. Serrano's most prescribed drugs by claims were Cyproheptadine HCl.
Show 3 more questionsShow fewer questions
Has Dr. Mariastella Serrano received payments from drug or device companies?
CMS Open Payments shows $7,413 in general payments to Dr. Serrano from 12 companies from 2016 to 2025. The largest total came from Mirum Pharmaceuticals, Inc.
How long has Dr. Mariastella Serrano been practicing?
Dr. Serrano graduated from medical school in 1992, 34 years ago.
Does Dr. Mariastella Serrano do research?
Dmand AI links 1 publication to Dr. Serrano.
Selling to pediatric gastroenterology practices?
See pediatric gastroenterology physicians in Virginia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card