Mayra Griggs, CNM
NPI 1598915829 · Advanced Practice Midwife · Baltimore, MD
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mayra Griggs, CNM is a Advanced Practice Midwife provider in Baltimore, MD (NPI 1598915829).
Provider details
- NPI number
- 1598915829
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- R178754 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1800 Orleans StBaltimore, MD 21287-0010Phone: (410) 502-3200Fax: (410) 367-2911
- 10755 Falls RdLutherville, MD 21093-4515Phone: (443) 997-0400Fax: (410) 367-3312
Registry dates
- Enumerated
- 2008-09-23
- Last updated
- 2025-01-31
- Certified
- 2025-01-31
Frequently asked questions
- What is Mayra Griggs's NPI number?
- Mayra Griggs's National Provider Identifier (NPI) is 1598915829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mayra Griggs's specialty?
- Mayra Griggs is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mayra Griggs located?
- Mayra Griggs's practice location on file with NPPES is 827 Linden Ave, Baltimore, MD 21201-4606.
- What is Mayra Griggs's phone number?
- The practice phone number listed in the NPPES registry for Mayra Griggs is (410) 225-8000.
- Does Mayra Griggs accept Medicare?
- Mayra Griggs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mayra Griggs's NPI active?
- Yes — Mayra Griggs's NPI (1598915829) is active in the NPPES registry as of the last update on 2025-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.