Andrew M. Pataki, MD
Obstetrics & Gynecology Physician · Ellicott City, MD
Andrew M. Pataki, MD is an obstetrics & gynecology physician with a practice address in Ellicott City, Maryland, and NPI 1225097637, issued on Mar 23, 2006. Check the license (Maryland D0030072, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Andrew M. Pataki
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- D0030072 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3454 Ellicott Center Dr, Ellicott City, MD 21043
- Phone
- (410) 465-4690
- Enumerated
- Mar 23, 2006
- Record last updated
- May 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (410) 465-8144
- Medicare enrollment
- Enrolled (PECOS I20170718000238); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3454 Ellicott Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew M. Pataki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0030072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
179 Medicare Part D claims for 66 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Estradiol29 claims
- Betamethasone Valerate22 claims
- Premarin20 claims
- Clobetasol Propionate15 claims
- Nitrofurantoin Mono-Macro14 claims
- Prempro14 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.
Industry payments in 2024: $51.60
3 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Evangelical Medical Services OrganizationLewisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in Maryland
There are 1,034 obstetrics & gynecology physician records in Maryland.
Other obstetrics & gynecology physician records in Maryland
- Fouad AbbasBaltimore, MD1023087699
- Alexandra Abbate, MDBaltimore, MD1194287003
- Basma Abdo, M.DBaltimore, MD1922302652
- Tolani Abdulkadir, MDBaltimore, MD1699734293
- Sozdar Abed, MDEaston, MD1356572390
- Sandra Abraham-Hebert, M.D.Silver Spring, MD1487603080
- Francoise Abrams, MDClarksville, MD1477527448
- Silvia Abularach, M.D.Waldorf, MD1427341593
- Debra Acerenza, D.O.Frederick, MD1932181781
- Christopher Ackerman, DO, MBSCumberland, MD1356875843
Common questions
What is Andrew M. Pataki, MD's NPI number?
Andrew M. Pataki, MD's National Provider Identifier (NPI) is 1225097637, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew M. Pataki, MD located?
The NPPES record lists a practice address at 3454 Ellicott Center Dr, Ellicott City, MD, 21043. Phone: (410) 465-4690. Providers update this record themselves, so call before visiting.
How can I verify Andrew M. Pataki, MD's license?
NPPES lists Maryland license number D0030072, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew M. Pataki, MD prescribe under Medicare Part D?
In 2024, Andrew M. Pataki, MD had 179 Medicare Part D claims for 66 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.