DR. DEMETRIS DELOS M.D.
NPI 1528225414
Orthopaedic Surgery in Greenwich, CT

Q: What is Demetris Delos's NPI number?

The NPI number for Demetris Delos is 1528225414. It was assigned to this individual provider in the NPPES registry on May 19, 2008.

Q: What is Demetris Delos's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Demetris Delos was last updated on February 28, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since May 19, 2008PECOS Enrolled

75/100

CMS Quality Rating

6 GREENWICH OFFICE PARK, GREENWICH, CT 06831(203) 869-1145(203) 618-1721 Get Directions Write a Review

NPPES record last updated: February 28, 2017. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Demetris Delos M.d. NPPES

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

DR. DEMETRIS DELOS M.D. (NPI 1528225414) is an individual orthopaedic surgery provider in Greenwich, Connecticut, licensed in New York (245978) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1528225414

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. DEMETRIS DELOSCredential: M.D.

Location Address6 GREENWICH OFFICE PARKGreenwich, CT 06831-5151

Mailing Address6 Greenwich Office ParkGreenwich, CT 06831-5151 · (203) 869-1145 · Fax (203) 618-1721

Phone(203) 869-1145

Fax(203) 618-1721

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateMay 19, 2008

Last NPPES UpdateFebruary 28, 2017

✔ NPI 1528225414 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 · 245978

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.

6 GREENWICH OFFICE PARK, Greenwich, CT 06831

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Demetris Delos M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1052545381

PECOS Enrollment IDI20130927000687, I20170829001855

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 Reassignments

Medicare enrollment records show Demetris Delos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic & Neurosurgery Specialists, PLLC

1.2 mi

Orthopaedic Surgery

6 GREENWICH OFFICE PARK
Greenwich, CT 06831

Reassigned Medicare billing, Connecticut and New York enrollments
139 clinicians in this Medicare group

NPI 1033318720 (203) 869-1145

Greenwich Hospital

1.6 mi

General Acute Care Hospital

5 PERRYRIDGE RD
Greenwich, CT 06830

Reassigned Medicare billing, Connecticut enrollment
268 clinicians in this Medicare group

NPI 1609846088 (203) 863-3000

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 17

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.

Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg J7325

Synvisc or Synvisc-One is a treatment involving an injection of a substance called hyaluronan into your joints. This substance, naturally found in the body, helps lubricate and cushion your joints, reducing pain and improving mobility. It's often used for arthritis patients.

704 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

487 services349 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

338 services279 patients

Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110

This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.

333 services72 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

325 services182 patients

Therapy procedure using manual technique, each 15 minutes 97140

This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.

216 services67 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

162 services162 patients

Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose J7323

Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.

145 services33 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

117 services98 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

43 services39 patients

Therapy procedure using functional activities 97530

A therapy procedure using functional activities encourages you to use your own body movements in day-to-day tasks to aid recovery. It aims to improve your mobility, strength, and overall health by incorporating therapeutic exercises into your routine.

40 services19 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

27 services26 patients

Evaluation for physical therapy, typically 20 minutes 97161

An evaluation for physical therapy is a short, 20-minute assessment where your physical condition, mobility, and pain levels are examined. This helps in designing a personalized therapy plan to enhance your physical function and well-being.

17 services17 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

13 services13 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

13 services11 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

11 services11 patients

X-ray of hip, 1 view 73501

An X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06831 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

$93.86 typical visit price

range $60.82 – $183.10

Typical copayment $23.46 (range $15.20 – $45.77)

Most-billed visit code 99203

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

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.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report

Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred

36%47 patients2/55-star benchmark: 95%

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.

93%2,469 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%111 patients4/55-star benchmark: 99%

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…

97%33 patients5/55-star benchmark: 88%

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.

97%376 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.

22%560 patients1/55-star benchmark: 97%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

1%265 patients1/55-star benchmark: 90%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

60%1,375 patients3/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

Patients tobacco: 74% · 375 patients

74%375 patients

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…

97%560 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…

16%560 patients1/55-star benchmark: 89%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 0% · 265 patients

1%265 patients4/55-star benchmark: 100%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

33%560 patients

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.

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.

SABRINA DOUGLASS

Physical Therapist

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

DR. MARK ANTHONY VITALE MD, MPH

Orthopaedic Surgery (Hand Surgery)

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

ELIZABETH CATALANO GRAVELINE DPT

Physical Therapist

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

ORTHOPAEDIC & NEUROSURGERY SPECIALISTS, PLLC

Orthopaedic Surgery

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

DR. JONATHAN L BERLINER M.D.

Orthopaedic Surgery

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

TARA O'CONNOR PTA

Physical Therapy Assistant

6 GREENWICH OFFICE PARK, 40 VALLEY DRIVE
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

NICOLE BRANCK R.P.T.

Physical Therapist

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

BRIAN F KAVANAGH M.D.

Orthopaedic Surgery

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

ILANNA SUE SCHWALBE MA, OTR, CHT

Occupational Therapist (Hand)

6 GREENWICH OFFICE PARK, 40 VALLEY DRIVE
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

ARIANA WONG WON

Physician Assistant (Surgical)

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

MRS. YARYNA BILINSKA PTA

Physical Therapy Assistant

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

STEVEN E HINDMAN MD

Orthopaedic Surgery

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

MS. RICHELLE KAYE PT

Physical Therapist

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

MS. HALEY SABINA FOX PA-C

Physician Assistant

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

SUSAN PAUL P.A.

Physician Assistant (Surgical)

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

CARLYE MARISSA BIANCO PA-C

Physician Assistant

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 485-8735

FRANCIS ENNIS MD

Orthopaedic Surgery

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

JOANNE NACHTYGAL PA

Physician Assistant (Surgical)

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

MATTHEW CANTLON MD

Orthopaedic Surgery (Hand Surgery)

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

KEVIN ERIC HWANG PA-C

Physician Assistant (Surgical)

6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

Western Connecticut Planning Region (203) 869-1145

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 Demetris Delos's NPI number?

The NPI number for Demetris Delos is 1528225414. It was assigned to this individual provider in the NPPES registry on May 19, 2008.

Where is Demetris Delos located?

Demetris Delos practices at 6 Greenwich Office Park, Greenwich, CT 06831. The listed phone number is (203) 869-1145.

What is Demetris Delos's specialty?

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

Is Demetris Delos enrolled in Medicare?

Yes. Demetris Delos is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Demetris Delos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Demetris Delos reassigns Medicare benefits to 2 organizations: Orthopaedic & Neurosurgery Specialists, PLLC (Greenwich, CT) and Greenwich Hospital (Greenwich, CT). Each 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 Demetris Delos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Demetris Delos accept?

Health plans from Anthem Blue Cross and Blue Shield list Demetris Delos 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 Demetris Delos was last updated on February 28, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.