1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Orthopaedic Surgery
  6. NPI Profile

DR. JOHN P. LYDEN M.D.
NPI 1235247941
Orthopaedic Surgery in New York, NY

Active since August 25, 2006PECOS Enrolled
535 E 70TH ST, NEW YORK, NY 10021(646) 797-8973 Get Directions Write a Review

NPPES record last updated: May 3, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 3, 2021, Mar 22, 2021, Jul 19, 2019 (3 updates tracked since 2019).

About Dr. John P. Lyden M.d. NPPES

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

DR. JOHN P. LYDEN M.D. (NPI 1235247941) is an individual orthopaedic surgery provider in New York, New York, licensed in New York (101301) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235247941
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. JOHN P. LYDENCredential: M.D.
Location Address535 E 70TH STNew York, NY 10021-4823
Mailing AddressPo Box 29234New York, NY 10087-9234
Phone(646) 797-8973
Sole ProprietorYes
Enumeration DateAugust 25, 2006
Last NPPES UpdateMay 3, 20213 updates tracked since enumeration
NPPES CertifiedMay 3, 2021
✔ NPI 1235247941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in NY · 101301
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
535 E 70TH ST, New York, NY 10021
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John P. Lyden M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show John Lyden reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ny Society For The Relief Of Ruptured & Crippled Maintaining
Same address
Orthopaedic Surgery
535 E 70TH ST
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 196 clinicians in this Medicare group
NPI 1902243488 (212) 774-7598

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10021 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
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.

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
97%1,678 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
98%106 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
2%94 patients1/55-star benchmark: 98%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
96%226 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
76%279 patients4/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
76%279 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
28%279 patients2/55-star benchmark: 79%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf L3670
DME-Orthotic Devices · category DF000N
1 supplier16 claims16 services$102.13 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

SARAH E. MCCORD PA-C
Physician Assistant (Surgical)
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1585
MICHAEL NEWMAN SINGLETON M.D.
Anesthesiology
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1036
GRETCHEN OSTRANDER ATC
Specialist/Technologist (Athletic Trainer)
535 E 70TH ST
NEW YORK, NY 10021
New York County (203) 257-5414
AMANDA PERLMUTTER
Speech-Language Pathologist
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1137
MONICA ANIS MD
Anesthesiology
535 E 70TH ST
NEW YORK, NY 10021
New York County (201) 527-7051
MARIANA SOFIA MOREIRAS
Physical Therapist
535 E 70TH ST
NEW YORK, NY 10021
New York County (917) 260-4970
DR. SHEVAUN MACKIE DOYLE MD
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
535 E 70TH ST
NEW YORK, NY 10021
New York County (646) 797-8816
NATISHA REGINA ROSS PA-C
Physician Assistant
535 E 70TH ST
NEW YORK, NY 10021
New York County (212) 606-1004

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 John Lyden's NPI number?

The NPI number for John Lyden is 1235247941. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is John Lyden located?

John Lyden practices at 535 E 70th St, New York, NY 10021. The listed phone number is (646) 797-8973.

What is John Lyden's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is John Lyden enrolled in Medicare?

Yes. John Lyden is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Lyden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Lyden reassigns Medicare benefits to Ny Society For The Relief Of Ruptured & Crippled Maintaining (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 John Lyden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Lyden was last updated on May 3, 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.