NPPES file of Aug 9, 2026

David Laurence Greenspan, MD

Obstetrics & Gynecology Physician · Phoenix, AZ

David Laurence Greenspan, MD is an obstetrics & gynecology physician with a practice address in Phoenix, Arizona, and NPI 1316918865, issued on Jan 31, 2006. Check the license (Arizona 28350, as entered in NPPES) on the Arizona 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
1316918865
Name
David Laurence Greenspan
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
28350 AZ
Self-reported in NPPES; status is on the state search
Practice location
350 W Thomas RD, Phoenix, AZ 85013
Phone
(602) 406-3000
Enumerated
Jan 31, 2006
Record last updated
Nov 21, 2024
Fax
(602) 212-4768
Medicaid ID
525743 AZ
Medicare enrollment
Enrolled (PECOS I20040405000652); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1989
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 350 W Thomas RD

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

  1. Carolyn AbrahamSpeech-Language Pathologist1275811176
  2. Abdullah Abu KarInternal Medicine Physician1407239718
  3. Melanie Adarme Sanchez, MDStudent in an Organized Health Care Education/Training Program1780444257
  4. Christine Adham, DOAnesthesiology Physician1679953202
  5. Caitlyn Adley, CRNACertified Registered Nurse Anesthetist1760849079
  6. Rexhina Ago, DOStudent in an Organized Health Care Education/Training Program1568302065

Verify David Laurence Greenspan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 28350
    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 Arizona license search

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43% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

94 Medicare Part D claims for 19 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. David Greenspan94
  2. Specialty average165

Most prescribed

  1. Estradiol23 claims
  2. Progesterone17 claims
  3. Dotti15 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: $244.11

6 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, 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.

  1. David Greenspan$244.11
  2. Specialty average$1,030.61

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

Bills Medicare through 2 group practices

  1. Maricopa County Special Health Care DistrictPhoenix, AZ
  2. Sjhmc Physician ServicesPhoenix, AZ

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

David Laurence Greenspan among 803 obstetrics & gynecology physician records in Arizona

David Laurence Greenspan, 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 fileYes · 59% of these records are
  • Graduated1989 · median 2005 among the 477 with a school on file
  • Record last updated2024 · 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.

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

  1. Charles Alfano, MD PCPhoenix, AZ 850131164418422
  2. Mariana Amaya, M.D.Phoenix, AZ 850131548280944
  3. Robert Brady, MDPhoenix, AZ 850131992718423
  4. Joseph Brooks, M.D.Phoenix, AZ 850131083642813
  5. Carmen Brown, M.D.Phoenix, AZ 850131477552792
  6. Claudia Chambers, M.D.Phoenix, AZ 850131881783744
  7. Tracy Contant, MDPhoenix, AZ 850131538150685
  8. Juan Diazcadena, MDPhoenix, AZ 850131730182544

Common questions

What is David Laurence Greenspan, MD's NPI number?

David Laurence Greenspan, MD's National Provider Identifier (NPI) is 1316918865, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Laurence Greenspan, MD located?

The NPPES record lists a practice address at 350 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-3000. Providers update this record themselves, so call before visiting.

How can I verify David Laurence Greenspan, MD's license?

NPPES lists Arizona license number 28350, 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.

How much does David Laurence Greenspan, MD prescribe under Medicare Part D?

In 2024, David Laurence Greenspan, MD had 94 Medicare Part D claims for 19 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.