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Obstetrics/Gynecology

David I. Glassman, DO

Works at hospitals in Phoenix, AZ · Scottsdale, AZ · Arizona

Summary

Dr. David I. Glassman, DO is an OB-GYN at 1910 W Frye Rd, Chandler, AZ 85224. Phone: (480) 467-2145. Accepts Medicare assignment. In 2024, David I. Glassman had 63 Original Medicare patients and 194 services. NPI 1194799320. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about David I. Glassman, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does David I. Glassman accept Medicare assignment?
Yes. Medicare's clinician data says David I. Glassman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does David I. Glassman see?
In 2024, CMS data shows 63 Original Medicare patients and 194 services for David I. Glassman. This counts Original Medicare only and measures volume, not quality.
What is David I. Glassman's NPI number?
1194799320. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for David I. Glassman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients63
Services billed to Medicare194
Different services or procedures33
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)36 services
  2. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)24 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)18 services
  4. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)14 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol70%
  • High blood pressure51%
  • Arthritis49%
  • Anxiety25%
  • Osteoporosis22%
  • Depression19%

Hospitals where David I. Glassman works

Medicare's Facility Affiliation Data lists David I. Glassman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where David I. Glassman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists David I. Glassman as a member of this group (CMS data updated October 2, 2026).

  • Valley Perinatal Services LLC65 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Arizona →

Other OB-GYNs in Chandler

Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.

All OB-GYNs in Chandler →

Other clinicians in Valley Perinatal Services LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolArizona College Of Osteopathic Medicine Mid Western University
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194799320
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians