Marnie Gissel Aguasvivas Bello, M.D.
Endocrinology, Diabetes & Metabolism Physician · Baltimore, MD
Marnie Gissel Aguasvivas Bello, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Baltimore, Maryland, and NPI 1669829115, issued on May 14, 2016. Check the license (Maryland D0101793, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Marnie Gissel Aguasvivas Bello
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- D0101793 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9000 Franklin Square Dr, Baltimore, MD 21237
- Phone
- (443) 777-6351
- Enumerated
- May 14, 2016
- Record last updated
- Oct 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20241029000255); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →
Also registered at 9000 Franklin Square Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sean Abeysekera, M.D.Student in an Organized Health Care Education/Training Program1710369251
- Daria Abolghasemi, D.O.Surgical Oncology Physician1265847636
- Jewaher Abubaker, P.A.Physician Assistant1902955198
- Ibukunola Adediji, PAInternal Medicine Physician1386240455
Verify Marnie Gissel Aguasvivas Bello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0101793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
464 Medicare Part D claims for 72 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Ozempic60 claims
- Levothyroxine Sodium56 claims
- Jardiance55 claims
- Trulicity47 claims
- Atorvastatin Calcium26 claims
- Fiasp Flextouch16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $26.57
1 payment: food and beverage; the largest payer was Corcept Therapeutics. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Medstar Medical Group II LLCBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marnie Gissel Aguasvivas Bello among 314 endocrinology, diabetes & metabolism physician records in Maryland
Marnie Gissel Aguasvivas Bello, M.D. is one of 314 endocrinology, diabetes & metabolism physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2013 · median 2003 among the 193 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Maryland
There are 314 endocrinology, diabetes & metabolism physician records in Maryland.
All 314 in Maryland → Every provider in Baltimore → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Elizabeth Chacko, D.O.Baltimore, MD 212371528337391
- Sanaz SakianiBaltimore, MD 212371023334943
- Martin Binstock, M.D.Baltimore, MD 212391407824287
- Iffat ChowdhuryBaltimore, MD 212391053406108
- Sergio Lizama-HernandezBaltimore, MD 212391780079129
- Jean Park, M.D.Baltimore, MD 212391861512592
- Stephen Smith, MDBaltimore, MD 212341588732077
- Shadi Barakat, MDBaltimore, MD 212291629250154
Common questions
What is Marnie Gissel Aguasvivas Bello, M.D.'s NPI number?
Marnie Gissel Aguasvivas Bello, M.D.'s National Provider Identifier (NPI) is 1669829115, issued on May 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marnie Gissel Aguasvivas Bello, M.D. located?
The NPPES record lists a practice address at 9000 Franklin Square Dr, Baltimore, MD, 21237. Phone: (443) 777-6351. Providers update this record themselves, so call before visiting.
How can I verify Marnie Gissel Aguasvivas Bello, M.D.'s license?
NPPES lists Maryland license number D0101793, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marnie Gissel Aguasvivas Bello, M.D. prescribe under Medicare Part D?
In 2024, Marnie Gissel Aguasvivas Bello, M.D. had 464 Medicare Part D claims for 72 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.