NPPES file of Aug 9, 2026

Mark Paul Lachiewicz, M.D.

Obstetrics & Gynecology Physician · Atlanta, GA

Mark Paul Lachiewicz, M.D. is an obstetrics & gynecology physician with a practice address in Atlanta, Georgia, and NPI 1740508423, issued on May 5, 2010. Check the license (Georgia 071808, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740508423
Name
Mark Paul Lachiewicz
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
071808 GA
Self-reported in NPPES; status is on the state search
Practice location
550 Peachtree St NE FL 8, Atlanta, GA 30308
Phone
(404) 778-3401
Enumerated
May 5, 2010
Record last updated
May 4, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(404) 686-4476
Medicare enrollment
Enrolled (PECOS I20221109003167); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 550 Peachtree St NE FL 8

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

  1. Zoe Athens, MDObstetrics & Gynecology Physician1447879085
  2. Mikaela Katz, MDObstetrics & Gynecology Physician1841783586

Verify Mark Paul Lachiewicz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 071808
    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
Open the Georgia license search

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15% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

141 Medicare Part D claims for 28 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Mark Lachiewicz141
  2. Specialty average165

Most prescribed

  1. Estradiol24 claims
  2. Progesterone16 claims
  3. Baclofen13 claims
  4. Estradiol (Once Weekly)13 claims
  5. Amitriptyline Hcl11 claims
  6. Fluconazole11 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.

Bills Medicare through one group practice

  1. Duke Health Integrated Practice IncDurham, NC

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

Mark Paul Lachiewicz among 1,430 obstetrics & gynecology physician records in Georgia

Mark Paul Lachiewicz, M.D. is one of 1,430 obstetrics & gynecology physician records with a practice address in Georgia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 67% of them.

  • NPI issued2010 · 67% of these records are older, 31% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2010 · median 2004 among the 839 with a school on file
  • Record last updated2015 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Georgia

There are 1,430 obstetrics & gynecology physician records in Georgia.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Jasmaine Coleman, DOAtlanta, GA 303081073042917
  2. Agena Davenport-Nicholson, MDAtlanta, GA 303081710140330
  3. Felecia Dawson, MDAtlanta, GA 303081437180213
  4. Mary Dolan, M.D.Atlanta, GA 303081609803667
  5. Lakisha Eaton, M.D.Atlanta, GA 303081164600870
  6. John Horton, M.D.Atlanta, GA 303081619144334
  7. Gloria Hughes, MDAtlanta, GA 303081700266020
  8. Ijeoma Ibezue, M.D.Atlanta, GA 303081033403787

Common questions

What is Mark Paul Lachiewicz, M.D.'s NPI number?

Mark Paul Lachiewicz, M.D.'s National Provider Identifier (NPI) is 1740508423, issued on May 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Mark Paul Lachiewicz, M.D. located?

The NPPES record lists a practice address at 550 Peachtree St NE FL 8, Atlanta, GA, 30308. Phone: (404) 778-3401. Providers update this record themselves, so call before visiting.

How can I verify Mark Paul Lachiewicz, M.D.'s license?

NPPES lists Georgia license number 071808, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Paul Lachiewicz, M.D. prescribe under Medicare Part D?

In 2024, Mark Paul Lachiewicz, M.D. had 141 Medicare Part D claims for 28 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.