Sondra Barker, C.R.N.P.
NPI 1437253127 · Obstetrics & Gynecology Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sondra Barker, C.R.N.P. is a Obstetrics & Gynecology Nurse Practitioner provider in Baltimore, MD (NPI 1437253127).
Provider details
- NPI number
- 1437253127
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.R.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- R142366 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
491 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 198 | $79 |
| Instillation of Anti-Cancer Drug Into Bladder51720 | 120 | $78 |
| Urinalysis, Manual Test81002 | 57 | $3 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 44 | $98 |
| Simple Timed Assessment of Bladder Emptying51736 | 19 | $6 |
| Non-Needle Measurement and Recording of Electrical Activity of Muscles at Bladder and Bowel Openings51784 | 19 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirabegronbrand: Myrbetriq | 143 | 42 |
| Estradiol | 63 | 34 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 44 | 33 |
| Trospium Chloride | 37 | 13 |
| Cephalexin | 34 | — |
| Mirabegronbrand: Mirabegron Er | 28 | — |
| Ciprofloxacin Hcl | 27 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$144 across 3 records (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
Registry dates
- Enumerated
- 2006-09-12
- Last updated
- 2013-07-29
Frequently asked questions
- What is Sondra Barker's NPI number?
- Sondra Barker's National Provider Identifier (NPI) is 1437253127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sondra Barker's specialty?
- Sondra Barker is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sondra Barker located?
- Sondra Barker's practice location on file with NPPES is 3407 Wilkens Ave, Baltimore, MD 21229-5072.
- What is Sondra Barker's phone number?
- The practice phone number listed in the NPPES registry for Sondra Barker is (410) 644-0929.
- Does Sondra Barker accept Medicare?
- Sondra Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sondra Barker's NPI active?
- Yes — Sondra Barker's NPI (1437253127) is active in the NPPES registry as of the last update on 2013-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.