Ruby Mei Ko, NP
Advanced Practice Midwife · New York, NY
Ruby Mei Ko, NP is an advanced practice midwife with a practice address in New York, New York, and NPI 1992732275, issued on Jun 26, 2006. Check the license (New York 000695, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ruby Mei Ko
- Credential
- NP
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License number
- 000695 NY
Self-reported in NPPES; status is on the state search - Practice location
- 227 Madison St, New York, NY 10002
- Phone
- (212) 238-7244
- Enumerated
- Jun 26, 2006
- Record last updated
- Jun 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 02297914 NY
- Medicare enrollment
- Enrolled (PECOS I20101112001169); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest advanced practice midwife records → All 776 in New York → Look up another NPI →
Also registered at 227 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Enrique Acosta, PAPhysician Assistant1346592235
- Jennifer Adams, MDInternal Medicine Physician1720006869
- Veronica Ades, M.D., M.P.H.Obstetrics & Gynecology Physician1578719092
- Cesar Aguilera, MDPediatrics Physician1174547012
- Lashonda Allen, SLPSpeech-Language Pathologist1902005887
- Jennifer Alonso, LMSWSocial Worker1982880340
Verify Ruby Mei Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 000695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average advanced practice midwife in 2024
126 Medicare Part D claims for 69 beneficiaries, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Metronidazole35 claims
- Estradiol18 claims
- Clotrimazole-Betamethasone15 claims
- Fluconazole14 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.
Bills Medicare through one group practice
- New York City Health And Hospitals CorporationNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruby Mei Ko among 776 advanced practice midwife records in New York
Ruby Mei Ko, NP is one of 776 advanced practice midwife records with a practice address in New York. 50% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 69% newer
- In a Medicare fileYes · 50% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated1988 · median 2014 among the 269 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Advanced Practice Midwife providers in New York
There are 776 advanced practice midwife records in New York.
All 776 in New York → Every provider in New York → Advanced Practice Midwife nationwide →
The 8 advanced practice midwife records with the nearest ZIP codes
- Marilyn Gold, CNMNew York, NY 100021407805286
- Lily Huang, CNMNew York, NY 100021720045693
- Valarece Johnson, CNMNew York, NY 100021508886185
- Maura Larkin, CNMNew York, NY 100021033143490
- Eng Mee Moong Pan, CNMNew York, NY 100021225017536
- Casey Selzer, CNMNew York, NY 100021083895411
- Dia Shepardson, CM, LMNew York, NY 100021659635951
- Dana Sidney, CNMNew York, NY 100021538199583
Common questions
What is Ruby Mei Ko, NP's NPI number?
Ruby Mei Ko, NP's National Provider Identifier (NPI) is 1992732275, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Mei Ko, NP located?
The NPPES record lists a practice address at 227 Madison St, New York, NY, 10002. Phone: (212) 238-7244. Providers update this record themselves, so call before visiting.
How can I verify Ruby Mei Ko, NP's license?
NPPES lists New York license number 000695, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Ruby Mei Ko, NP prescribe under Medicare Part D?
In 2024, Ruby Mei Ko, NP had 126 Medicare Part D claims for 69 beneficiaries; the average among advanced practice midwife prescribers was 72. 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.