NPPES file of Aug 9, 2026

Sondra Beth Barker, C.R.N.P.

Obstetrics & Gynecology Nurse Practitioner · Baltimore, MD

Sondra Beth 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, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437253127
Name
Sondra Beth 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
Record last updated
Jul 29, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(410) 644-4338
Medicare enrollment
Enrolled (PECOS I20100309000407); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 DoranCardiovascular Disease Physician1538587704
  6. Conrad Duncan, M.D.Gynecology Physician1154390714

Verify Sondra Beth 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

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2.9 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 198 among the 1,094 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Sondra Barker583
  2. Specialty average198

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 MIPS final score for 2023 (Medicare payment program): 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; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,033 providers of this specialty with any payment received $439.39 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$439.39

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

Bills Medicare through one group practice

  1. St Agnes Healthcare IncBaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sondra Beth Barker among 82 obstetrics & gynecology nurse practitioner records in Maryland

Sondra Beth Barker, C.R.N.P. is one of 82 obstetrics & gynecology nurse practitioner records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 67% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2003 · median 2016 among the 33 with a school on file
  • Record last updated2013 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Nurse Practitioner providers in Maryland

There are 82 obstetrics & gynecology nurse practitioner records in Maryland.

The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes

  1. Christina Barett, CRNPBaltimore, MD 212251336685387
  2. Maureen Luthardt, CRNPNottingham, MD 212361255875134
  3. Patricia Gould, NPBaltimore, MD 212371528155975
  4. Emily Maurer, WHNPBaltimore, MD 212371265860514
  5. Elizabeth Johnston, CRNP, CNMBaltimore, MD 212181629427109
  6. Symone Stephens, WHNP-BCBaltimore, MD 212181124638184
  7. Exhalia Grady, WHNPBaltimore, MD 212151518670587
  8. Anna Osztreicher, CRNBaltimore, MD 212151841233251

Common questions

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

Sondra Beth 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 Beth 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 Beth 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 Beth Barker, C.R.N.P. prescribe under Medicare Part D?

In 2024, Sondra Beth Barker, C.R.N.P. had 583 Medicare Part D claims for 163 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 198. Part D covers Medicare prescriptions only.

What is Sondra Beth Barker, C.R.N.P.'s MIPS final 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), 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.