Registry data as of Aug 27, 2026

Sondra Barker, C.R.N.P.

Obstetrics & Gynecology Nurse Practitioner · Baltimore, MD

Sondra Barker, C.R.N.P. is an obstetrics & gynecology nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1437253127, issued on Sep 12, 2006. Check the license (Maryland R142366, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437253127
Name
Sondra Barker
Credential
C.R.N.P.
Primary taxonomy
Obstetrics & Gynecology Nurse Practitioner 363LX0001X
License number
R142366 MD
Self-reported in NPPES; status is on the state search
Practice location
3407 Wilkens Ave, Baltimore, MD 21229
Phone
(410) 644-0929
Enumerated
Sep 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3407 Wilkens Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Martin Albornoz, M.D.Interventional Cardiology Physician1780687178
  2. Edilberto Atienza, M.D.Sports Medicine (Family Medicine) Physician1356729040
  3. Andrea BradyAmbulatory Care Registered Nurse1093558918
  4. Jeffrey Cole, M.D.Cardiovascular Disease Physician1548263908
  5. Jesse DoranCritical Care Medicine (Internal Medicine) Physician1538587704
  6. Conrad Duncan, M.D.Gynecology Physician1154390714

Verify Sondra Barker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R142366
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.4 times the Medicare Part D claims of the average obstetrics & gynecology nurse practitioner in 2024

583 Medicare Part D claims for 163 beneficiaries, against an average of 241 among the 1,098 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Sondra Barker583
  2. Specialty average241

Most prescribed

  1. Myrbetriq143 claims
  2. Estradiol63 claims
  3. Sulfamethoxazole-Trimethoprim44 claims
  4. Trospium Chloride37 claims
  5. Cephalexin34 claims
  6. Mirabegron Er28 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.

The practice group's Medicare quality score for 2023: 72.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.2
  2. Costout of 100 · 30%48.8
  3. Promoting interoperabilityout of 100 · 25%95.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $144.03

3 payments, mostly food and beverage; the largest payer was Astellas Pharma US Inc. The 1,037 providers of this specialty with any payment received $485.44 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sondra Barker$144.03
  2. Specialty average$485.44

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. St Agnes Healthcare IncBaltimore, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Obstetrics & Gynecology Nurse Practitioner providers in Maryland

There are 77 obstetrics & gynecology nurse practitioner records in Maryland.

Other obstetrics & gynecology nurse practitioner records in Maryland

  1. Selamawit AbegazFrederick, MD1619794047
  2. Patsy Ardinger, CRNPBaltimore, MD1366549453
  3. Shannon Artis, CRNPBaltimore, MD1861120008
  4. Lorraine Baker-Francis, CRNPSilver Spring, MD1346334620
  5. Raena Barnes, M.S., W.H.N.P.Columbia, MD1861709081
  6. Lisa Bayles, CRNPBerlin, MD1093704553
  7. Sylvia Bennett, CRNPFrederick, MD1740279413
  8. Tammie Blair, NPColumbia, MD1902849938
  9. Debbie Boyd, CRNPHavre De Grace, MD1700873452
  10. Michele Bracken, CRNPCrisfield, MD1215203617

Common questions

What is Sondra Barker, C.R.N.P.'s NPI number?

Sondra Barker, C.R.N.P.'s National Provider Identifier (NPI) is 1437253127, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sondra Barker, C.R.N.P. located?

The NPPES record lists a practice address at 3407 Wilkens Ave, Baltimore, MD, 21229. Phone: (410) 644-0929. Providers update this record themselves, so call before visiting.

How can I verify Sondra Barker, C.R.N.P.'s license?

NPPES lists Maryland license number R142366, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Sondra Barker, C.R.N.P. prescribe under Medicare Part D?

In 2024, Sondra Barker, C.R.N.P. had 583 Medicare Part D claims for 163 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 241. Part D covers Medicare prescriptions only.

What is Sondra Barker, C.R.N.P.'s Medicare quality score?

The 2023 MIPS final score is 72.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.