RUTH DIANA GERSON CNM
NPI 1437510526
Advanced Practice Midwife in Leonardtown, MD
About Ruth Diana Gerson Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH DIANA GERSON CNM (NPI 1437510526) is an individual advanced practice midwife in Leonardtown, Maryland, licensed in Maryland (R221031) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ruth Diana Gerson Cnm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Ruth Gerson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19131
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,205 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 65 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20650 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ruth Gerson's NPI number?
The NPI number for Ruth Gerson is 1437510526. It was assigned to this individual provider in the NPPES registry on March 16, 2016.
Where is Ruth Gerson located?
Ruth Gerson practices at 41680 Miss Bessie Dr Ste 102, Leonardtown, MD 20650. The listed phone number is (301) 997-1788.
What is Ruth Gerson's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Ruth Gerson enrolled in Medicare?
Yes. Ruth Gerson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ruth Gerson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Gerson reassigns Medicare benefits to 4 organizations: Einstein Practice Plan Inc (Philadelphia, PA), Physician Affiliate Group Of New York PC (New York, NY), Downtown Bronx Medical Associates PC (Bronx, NY) and Planned Parenthood Hudson Peconic Inc. (Smithtown, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ruth Gerson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ruth Gerson was last updated on March 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ruth Diana Gerson, CNM · NPI 1437510526
Advanced Practice Midwife physician in Leonardtown, Maryland. Individual provider, active in the CMS NPPES registry since March 16, 2016.
## Identity
- **NPI:** 1437510526 (Entity type: Individual)
- **Enumerated:** March 16, 2016
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** R221031 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 41680 MISS BESSIE DR STE 102, Leonardtown, MD 20650-2963
- **Phone:** (301) 997-1788 · **Fax:** (301) 997-1790
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Einstein Practice Plan Inc (NPI 1144272733, Philadelphia, PA); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Downtown Bronx Medical Associates PC (NPI 1689618407, Bronx, NY); Planned Parenthood Hudson Peconic Inc. (NPI 1285701672, Smithtown, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** March 16, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1437510526) · Data from the CMS NPPES public registry.