Crystal Elizabeth Ratanavanich
Acute Care Nurse Practitioner · Baltimore, MD
Crystal Elizabeth Ratanavanich is an acute care nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1104694603, issued on Dec 13, 2023. Check the license (Maryland R199391, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Elizabeth Ratanavanich
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- R199391 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Orleans St, Baltimore, MD 21287
- Phone
- (410) 955-5000
- Enumerated
- Dec 13, 2023
- Record last updated
- Jul 7, 2026
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 755 in Maryland → Look up another NPI →
Also registered at 1800 Orleans St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Catherine Abbot, CRNPStudent in an Organized Health Care Education/Training Program1942093810
- Ahamed Akmal Abdul Rahman Lebbe, MDStudent in an Organized Health Care Education/Training Program1255208427
- Arielle AbovichStudent in an Organized Health Care Education/Training Program1972122703
- Luis Acosta, MDStudent in an Organized Health Care Education/Training Program1922859537
- Nihmotallahi Adebayo, MDStudent in an Organized Health Care Education/Training Program1033058334
Verify Crystal Elizabeth Ratanavanich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R199391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
135 Medicare Part D claims for 53 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 26 claims were for opioids.
Most prescribed
- Oxycodone Hcl18 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.
Crystal Elizabeth Ratanavanich among 755 acute care nurse practitioner records in Maryland
Crystal Elizabeth Ratanavanich is one of 755 acute care nurse practitioner records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 81% of them.
- NPI issued2023 · 81% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
423 acute care nurse practitioner records list a practice address in Baltimore
They are 423 of the 35,183 NPPES records with a practice address in Baltimore, and 755 acute care nurse practitioner records in Maryland.
All 755 in Maryland → Every provider in Baltimore → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Cheryl Bridges, DNP, MS, MBA, ACNPBaltimore, MD 212871316083298
- Melanie ErbBaltimore, MD 212871760523401
- Amy Goodrich, C.R.N.P.Baltimore, MD 212871649224916
- Martha Kennedy, PHD RN CCRN ACNPBaltimore, MD 212871770639304
- Diane Law, NPBaltimore, MD 212871780665778
- Carol Maragos, CRNPBaltimore, MD 212871235285982
- Nailya Muganlinskaya, CRNPBaltimore, MD 212871104962679
- Sharon Owens, CRNP, PHDBaltimore, MD 212871942346614
Common questions
What is Crystal Elizabeth Ratanavanich's NPI number?
Crystal Elizabeth Ratanavanich's National Provider Identifier (NPI) is 1104694603, issued on Dec 13, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Elizabeth Ratanavanich located?
The NPPES record lists a practice address at 1800 Orleans St, Baltimore, MD, 21287. Phone: (410) 955-5000. Providers update this record themselves, so call before visiting.
How can I verify Crystal Elizabeth Ratanavanich's license?
NPPES lists Maryland license number R199391, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Elizabeth Ratanavanich prescribe under Medicare Part D?
In 2024, Crystal Elizabeth Ratanavanich had 135 Medicare Part D claims for 53 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.