Ruby Oommen Monichan, MD
Family Medicine Physician · Columbia, MD
Ruby Oommen Monichan, MD is a family medicine physician with a practice address in Columbia, Maryland, and NPI 1952861353, issued on Mar 21, 2019. Check the license (Maryland D0093723, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ruby Oommen Monichan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0093723 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5500 Knoll North Dr Ste 370, Columbia, MD 21045
- Phone
- (410) 837-2050
- Enumerated
- Mar 21, 2019
- Record last updated
- Aug 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20220902002076); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 5500 Knoll North Dr Ste 370
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fadi Abdallah, LCSW-CClinical Social Worker1881620573
- Tricia Alexis, FNPFamily Nurse Practitioner1285973883
- Carmen Alvarez, NP-C, CNMFamily Nurse Practitioner1396925723
- Shemicka Asom, CRNPFamily Nurse Practitioner1982025375
- William Brown, LCSW-CClinical Social Worker1508139445
- Jillian Clark, LCSW-CClinical Social Worker1962173880
Verify Ruby Oommen Monichan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0093723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
287 Medicare Part D claims for 61 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium32 claims
- Lisinopril27 claims
- Amlodipine Besylate20 claims
- Levothyroxine Sodium19 claims
- Metformin 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.
Bills Medicare through one group practice
- Chase Brexton Health Services IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruby Oommen Monichan among 1,912 family medicine physician records in Maryland
Ruby Oommen Monichan, MD is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2004 among the 1,141 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 family medicine physician records list a practice address in Columbia
They are 67 of the 6,690 NPPES records with a practice address in Columbia, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Columbia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sultana Afrooz, D.O.Columbia, MD 210451437293966
- Irma Bensinger, D.O.Columbia, MD 210451114956968
- Robert Cadogan, MDColumbia, MD 210451598767691
- Antoinette Cheney, D.O.Columbia, MD 210451093879108
- Sarah Connor, DOColumbia, MD 210451679728349
- Kisha Davis, MDColumbia, MD 210451629110788
- Rajiv Dua, M.D.Columbia, MD 210451043326945
- Ina Grundmann, M.D.Columbia, MD 210451093989097
Common questions
What is Ruby Oommen Monichan, MD's NPI number?
Ruby Oommen Monichan, MD's National Provider Identifier (NPI) is 1952861353, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Oommen Monichan, MD located?
The NPPES record lists a practice address at 5500 Knoll North Dr Ste 370, Columbia, MD, 21045. Phone: (410) 837-2050. Providers update this record themselves, so call before visiting.
How can I verify Ruby Oommen Monichan, MD's license?
NPPES lists Maryland license number D0093723, 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 Ruby Oommen Monichan, MD prescribe under Medicare Part D?
In 2024, Ruby Oommen Monichan, MD had 287 Medicare Part D claims for 61 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.