Frederick W. Larsen, MD
Obstetrics & Gynecology Physician · Scottsdale, AZ
Frederick W. Larsen, MD is an obstetrics & gynecology physician with a practice address in Scottsdale, Arizona, and NPI 1083773469, issued on Dec 8, 2006. Check the license (Arizona 38048, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Frederick W. Larsen
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 38048 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9819 N 95TH St, Scottsdale, AZ 85258
- Phone
- (480) 874-2229
- Enumerated
- Dec 8, 2006
- Record last updated
- Oct 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →
Also registered at 9819 N 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Leff, DCChiropractor1578995650
Verify Frederick W. Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 38048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $131.48
4 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. 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.
Frederick W. Larsen among 803 obstetrics & gynecology physician records in Arizona
Frederick W. Larsen, MD is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2021 · 49% 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 Arizona 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 Arizona
There are 803 obstetrics & gynecology physician records in Arizona.
All 803 in Arizona → Every provider in Scottsdale → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Suzanne Bartlett Hackenmiller, MDScottsdale, AZ 852581740209436
- Millie Behera, MDScottsdale, AZ 852581912932559
- Andrew Carter, M.D.Scottsdale, AZ 852581467415687
- Julie Castilla, M.D.Scottsdale, AZ 852581417018938
- Patricia Grade, MDScottsdale, AZ 852581366541930
- Julie Kwatra, M.D.Scottsdale, AZ 852581659432078
- Ann Langer, M.D.Scottsdale, AZ 852581427119841
- Marilyn Laughead, M.D.Scottsdale, AZ 852581023012796
Common questions
What is Frederick W. Larsen, MD's NPI number?
Frederick W. Larsen, MD's National Provider Identifier (NPI) is 1083773469, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick W. Larsen, MD located?
The NPPES record lists a practice address at 9819 N 95TH St, Scottsdale, AZ, 85258. Phone: (480) 874-2229. Providers update this record themselves, so call before visiting.
How can I verify Frederick W. Larsen, MD's license?
NPPES lists Arizona license number 38048, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.