Siamak Marzbani, M.D.
Obstetrics & Gynecology Physician · Smithfield, NC
Siamak Marzbani, M.D. is an obstetrics & gynecology physician with a practice address in Smithfield, North Carolina, and NPI 1528169307, issued on Sep 26, 2006. Check the license (North Carolina 38172, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Siamak Marzbani
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 38172 NC
Self-reported in NPPES; status is on the state search - Practice location
- 520 North St, Smithfield, NC 27577
- Phone
- (919) 934-3015
- Enumerated
- Sep 26, 2006
- Record last updated
- Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (919) 934-0958
- Medicaid ID
- 8954551 NC
- Medicare enrollment
- Enrolled (PECOS I20111215000941); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 520 North St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle BarbourAdvanced Practice Midwife1083406201
- Roshni Delwadia, DOObstetrics & Gynecology Physician1629637632
- Farrah Forney, CNM, MSN, RNAdvanced Practice Midwife1417400094
- Amanda Lopez, PA-CPhysician Assistant1205781697
- Efrain Perez-Rivera, M.D.Obstetrics & Gynecology Physician1437250131
- Heather Smith, WHNPWomen's Health Nurse Practitioner1497072169
Verify Siamak Marzbani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 38172Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
368 Medicare Part D claims for 95 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol50 claims
- Oxybutynin Chloride29 claims
- Medroxyprogesterone Acetate21 claims
- Clobetasol Propionate19 claims
- Levothyroxine Sodium18 claims
- Oxybutynin Chloride Er18 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: $2,694.11
48 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, 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
- Triangle Premier Womens Health PASmithfield, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in North Carolina
There are 1,548 obstetrics & gynecology physician records in North Carolina.
All 1,548 in North Carolina → Every provider in Smithfield →
Other obstetrics & gynecology physician records in North Carolina
- Meaghan Aalto, MDLexington, NC1487940292
- Lara Aboulhosn, MDCharlotte, NC1134489396
- Tatiana Acosta, M.D., M.P.HRaleigh, NC1891228870
- Brandi Adams, MDHuntersville, NC1194015149
- Harvey Adams, M.D.Asheboro, NC1114221116
- Sharvari Adams, DOGreensboro, NC1407598170
- Todd Adams, MD, FACOG, MPHMooresville, NC1477585107
- Natasha Adams-Denny, MDCharlotte, NC1861413437
- Swati Adawadkar, MDCharlotte, NC1902004583
- George Adcock, M.D.Gastonia, NC1447246228
Common questions
What is Siamak Marzbani, M.D.'s NPI number?
Siamak Marzbani, M.D.'s National Provider Identifier (NPI) is 1528169307, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Siamak Marzbani, M.D. located?
The NPPES record lists a practice address at 520 North St, Smithfield, NC, 27577. Phone: (919) 934-3015. Providers update this record themselves, so call before visiting.
How can I verify Siamak Marzbani, M.D.'s license?
NPPES lists North Carolina license number 38172, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siamak Marzbani, M.D. prescribe under Medicare Part D?
In 2024, Siamak Marzbani, M.D. had 368 Medicare Part D claims for 95 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.