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RYAN LONGMAN
NPI 1689794356
Obstetrics & Gynecology - Maternal & Fetal Medicine in New York, NY

Active since March 29, 2007PECOS EnrolledAccepts Medicare Assignment
97.71/100
CMS Quality Rating
156 WILLIAM ST FL 7, NEW YORK, NY 10038(646) 962-2620 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 20, 2026, Oct 24, 2022, May 19, 2022 and 2 more (5 updates tracked since 2022).

About Ryan Longman NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RYAN LONGMAN (NPI 1689794356) is an individual maternal & fetal medicine provider in New York, New York, licensed in New York (234349) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2001).

NPPES Registry Identity

NPI1689794356
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameRYAN LONGMAN
Location Address156 WILLIAM ST FL 7New York, NY 10038-5327
Mailing Address156 William St Fl 7New York, NY 10038-5327 · (646) 962-2620
Phone(646) 962-2620
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2001
Enumeration DateMarch 29, 2007
Last NPPES UpdateJanuary 20, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 20, 2026
✔ NPI 1689794356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in NY · 234349
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
156 WILLIAM ST FL 7, New York, NY 10038
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ryan Longman 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.

PECOS PAC ID8628121365
PECOS Enrollment IDI20200320001941, I20210407002124
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
108 services100 patients
Complete ultrasound scan of pelvis 76856
A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.
82 services75 patients
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
62 services62 patients
Complete ultrasound scan of pelvis 76856
A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.
52 services52 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140088
Location5841 South MarylandChicago, IL 60637 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10038 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.43
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YVONNE CHAK MD
Obstetrics & Gynecology
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 962-2620
JULIA CRON
Obstetrics & Gynecology
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 962-2620
DAVID LAUFGRABEN MD
Pediatrics
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 962-7600
TALYA DANZER MS, CGC
Genetic Counselor, MS
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 962-2620
DR. VINCENT NG MD
Internal Medicine
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 588-2500
SHAO FEN SHERRY HUANG M.D.
Pediatrics
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 962-7600
AMY SKARIA
Pediatrics
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 962-7600
WILLIAM MOSES HUANG M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
156 WILLIAM ST FL 7
NEW YORK, NY 10038
New York County (646) 588-2500

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 Ryan Longman's NPI number?

The NPI number for Ryan Longman is 1689794356. It was assigned to this individual provider in the NPPES registry on March 29, 2007.

Where is Ryan Longman located?

Ryan Longman practices at 156 William St Fl 7, New York, NY 10038. The listed phone number is (646) 962-2620.

What is Ryan Longman's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Ryan Longman enrolled in Medicare?

Yes. Ryan Longman 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.

Is Ryan Longman affiliated with any hospitals?

According to CMS data, Ryan Longman is affiliated with The University Of Chicago Medical Center.

When was this NPI record last updated?

The NPPES record for Ryan Longman was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.