DR. ALAN ABBA ADLER MD
NPI 1154423879
Obstetrics & Gynecology in New York, NY
About Dr. Alan Abba Adler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN ABBA ADLER MD (NPI 1154423879) is an individual obstetrics & gynecology provider in New York, New York, licensed in New York (184993) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alan Abba Adler Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alan Adler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 134 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10028 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alan Adler's NPI number?
The NPI number for Alan Adler is 1154423879. It was assigned to this individual provider in the NPPES registry on September 2, 2006.
Where is Alan Adler located?
Alan Adler practices at 234 E 85th St Fl 3, New York, NY 10028. The listed phone number is (212) 731-3232.
What is Alan Adler's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alan Adler enrolled in Medicare?
Yes. Alan Adler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alan Adler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Adler reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alan Adler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alan Adler accept?
Health plans from Oscar Health list Alan Adler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Alan Adler was last updated on March 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alan Abba Adler, MD · NPI 1154423879
Obstetrics & Gynecology physician in New York, New York. Individual provider, active in the CMS NPPES registry since September 2, 2006.
## Identity
- **NPI:** 1154423879 (Entity type: Individual)
- **Enumerated:** September 2, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 184993 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 234 E 85TH ST FL 3, New York, NY 10028-3001
- **Phone:** (212) 731-3232 · **Fax:** (212) 628-8530
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Icahn School Of Medicine At Mount Sinai (NPI 1124392212, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** March 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1154423879) · Data from the CMS NPPES public registry.