DR. CHARMIAN DARRYL COHEN M.D.
NPI 1003929043
Internal Medicine - Endocrinology, Diabetes & Metabolism in Riverhead, NY

Q: What is Charmian Cohen's NPI number?

The NPI number for Charmian Cohen is 1003929043. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Q: What is Charmian Cohen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Charmian Cohen was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment

632 ROANOKE AVE, RIVERHEAD, NY 11901(631) 939-2127(718) 892-0736 Get Directions Write a Review

NPPES record last updated: May 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Charmian Darryl Cohen M.d. NPPES

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

DR. CHARMIAN DARRYL COHEN M.D. (NPI 1003929043) is an individual endocrinology, diabetes & metabolism provider in Riverhead, New York, licensed in New York (161564-1) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1977).

NPPES Registry Identity

NPI1003929043

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameDR. CHARMIAN DARRYL COHENCredential: M.D.

Location Address632 ROANOKE AVERiverhead, NY 11901-2728

Mailing Address632 Roanoke AveRiverhead, NY 11901-2728 · (631) 939-2127 · Fax (718) 892-0736

Phone(631) 939-2127

Fax(718) 892-0736

Sole ProprietorYes

Medical School CMSOtherGraduated 1977

Enumeration DateAugust 16, 2006

Last NPPES UpdateMay 9, 2025

NPPES CertifiedMay 9, 2025

✔ NPI 1003929043 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in NY · 161564-1

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

632 ROANOKE AVE, Riverhead, NY 11901

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Other Identifiers 1

Medicaid00959059NY

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

Dr. Charmian Darryl Cohen M.d. 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 ID6305836610

PECOS Enrollment IDI20040517001261

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

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

173 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11901 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

11 suppliers21 claims64 services$6.12 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

5 suppliers13 claims22 services$1.03 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 2

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

ISABELLA SPERLING MD

Internal Medicine

632 ROANOKE AVE
RIVERHEAD, NY 11901

Suffolk County (631) 943-9319

DIABETES & ENDOCRINE PLLC

Internal Medicine (Endocrinology, Diabetes & Metabolism)

632 ROANOKE AVE
RIVERHEAD, NY 11901

Suffolk County (631) 939-2127

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 Charmian Cohen's NPI number?

The NPI number for Charmian Cohen is 1003929043. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Charmian Cohen located?

Charmian Cohen practices at 632 Roanoke Ave, Riverhead, NY 11901. The listed phone number is (631) 939-2127.

What is Charmian Cohen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Charmian Cohen enrolled in Medicare?

Yes. Charmian Cohen 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.

When was this NPI record last updated?

The NPPES record for Charmian Cohen was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.