Marco Rodrigo Oldsman, CRNP
Primary Care Nurse Practitioner · Baltimore, MD
Marco Rodrigo Oldsman, CRNP is a primary care nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1083166300, issued on Nov 3, 2016. Check the license (Maryland R209333, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marco Rodrigo Oldsman
- Credential
- CRNP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- R209333 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (617) 759-8772
- Enumerated
- Nov 3, 2016
- Record last updated
- Nov 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170124001933); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 295 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marco Rodrigo Oldsman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R209333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
1,430 Medicare Part D claims for 112 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Tacrolimus192 claims
- Atorvastatin Calcium151 claims
- Losartan Potassium97 claims
- Sirolimus82 claims
- Mycophenolate Mofetil63 claims
- Amlodipine Besylate51 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: $252.20
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 4,321 providers of this specialty with any payment received $625.13 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
- University OF Maryland Physicians PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marco Rodrigo Oldsman among 295 primary care nurse practitioner records in Maryland
Marco Rodrigo Oldsman, CRNP is one of 295 primary care nurse practitioner records with a practice address in Maryland. 74% 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 25% of them.
- NPI issued2016 · 25% of these records are older, 71% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2020 among the 169 with a school on file
- Record last updated2016 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Maryland
There are 295 primary care nurse practitioner records in Maryland.
All 295 in Maryland → Every provider in Baltimore → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Tamar Adolemaiu-Bey, CRNP, DNPBaltimore, MD 212011619127420
- Evelyn Frank, MS, AGPCNP-BCBaltimore, MD 212011053716142
- Shannon Hansen, CRNPBaltimore, MD 212011336701507
- Shannon Idzik, CRNPBaltimore, MD 212011467445924
- Rachel Joshua, NPBaltimore, MD 212011063838043
- Jade Kim, DNP, AGPCNP-BCBaltimore, MD 212011326690397
- Joseph Larivey, CRNPBaltimore, MD 212011164558581
- Michael Mincin, DNP, CRNPBaltimore, MD 212011033761796
Common questions
What is Marco Rodrigo Oldsman, CRNP's NPI number?
Marco Rodrigo Oldsman, CRNP's National Provider Identifier (NPI) is 1083166300, issued on Nov 3, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marco Rodrigo Oldsman, CRNP located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (617) 759-8772. Providers update this record themselves, so call before visiting.
How can I verify Marco Rodrigo Oldsman, CRNP's license?
NPPES lists Maryland license number R209333, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Marco Rodrigo Oldsman, CRNP prescribe under Medicare Part D?
In 2024, Marco Rodrigo Oldsman, CRNP had 1,430 Medicare Part D claims for 112 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.