Ruth Diana Gerson, CNM
Advanced Practice Midwife · Leonardtown, MD
Ruth Diana Gerson, CNM is an advanced practice midwife with a practice address in Leonardtown, Maryland, and NPI 1437510526, issued on Mar 16, 2016. Check the license (Maryland R221031, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ruth Diana Gerson
- Credential
- CNM
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License number
- R221031 MD
Self-reported in NPPES; status is on the state search - Practice location
- 41680 Miss Bessie Dr Ste 102, Leonardtown, MD 20650
- Phone
- (301) 997-1788
- Enumerated
- Mar 16, 2016
- Record last updated
- Mar 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (301) 997-1790
- Medicare enrollment
- Enrolled (PECOS I20251209001765); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest advanced practice midwife records → All 310 in Maryland → Look up another NPI →
Also registered at 41680 Miss Bessie Dr Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Cook, NPObstetrics & Gynecology Nurse Practitioner1215426010
- Candace Edick, FNPFamily Nurse Practitioner1396441523
- Lauren Ervin, DNP, CNMAdvanced Practice Midwife1336564996
- Carilynn Rutledge, MSN, CNMAdvanced Practice Midwife1629616156
- Summer Seastrand, CNMAdvanced Practice Midwife1265128342
- Lindsey Threlkeld, MDObstetrics & Gynecology Physician1477013027
Verify Ruth Diana Gerson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R221031Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average advanced practice midwife in 2024
55 Medicare Part D claims for 20 beneficiaries, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluconazole16 claims
- Metronidazole13 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.
Ruth Diana Gerson among 310 advanced practice midwife records in Maryland
Ruth Diana Gerson, CNM is one of 310 advanced practice midwife records with a practice address in Maryland. 51% 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 64% of them.
- NPI issued2016 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 51% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2014 · median 2016 among the 125 with a school on file
- Record last updated2016 · 51% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 advanced practice midwife records list a practice address in Leonardtown
They are 6 of the 471 NPPES records with a practice address in Leonardtown, and 310 advanced practice midwife records in Maryland.
All 310 in Maryland → Every provider in Leonardtown → Advanced Practice Midwife nationwide →
The 8 advanced practice midwife records with the nearest ZIP codes
- Carol Dehaven, CNMLeonardtown, MD 206501609079110
- Lauren Ervin, DNP, CNMLeonardtown, MD 206501336564996
- Emalie Gibbons Baker, CNMLeonardtown, MD 206501366598153
- Carilynn Rutledge, MSN, CNMLeonardtown, MD 206501629616156
- Summer Seastrand, CNMLeonardtown, MD 206501265128342
- Angela Middleton, CNM, IBCLCLa Plata, MD 206461982289765
- Cassandra Burrell, MS, CNMWhite Plains, MD 206951629518345
- Jashia Pinkney, CNMWhite Plains, MD 206951326507302
Common questions
What is Ruth Diana Gerson, CNM's NPI number?
Ruth Diana Gerson, CNM's National Provider Identifier (NPI) is 1437510526, issued on Mar 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Diana Gerson, CNM located?
The NPPES record lists a practice address at 41680 Miss Bessie Dr Ste 102, Leonardtown, MD, 20650. Phone: (301) 997-1788. Providers update this record themselves, so call before visiting.
How can I verify Ruth Diana Gerson, CNM's license?
NPPES lists Maryland license number R221031, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Ruth Diana Gerson, CNM prescribe under Medicare Part D?
In 2024, Ruth Diana Gerson, CNM had 55 Medicare Part D claims for 20 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.