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DR. CLARA TAN-TAM MD PHD FACS FRCSC
NPI 1669856019
Surgery in Cooperstown, NY

Active since July 15, 2015PECOS EnrolledAccepts Medicare Assignment
1 ATWELL RD, COOPERSTOWN, NY 13326(607) 547-3474(607) 547-6553 Get Directions Write a Review

NPPES record last updated: July 15, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Clara Tan-tam Md Phd Facs Frcsc NPPES

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

DR. CLARA TAN-TAM MD PHD FACS FRCSC (NPI 1669856019) is an individual surgery provider in Cooperstown, New York, licensed in New York (60278741) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, is affiliated with Arnot Ogden Medical Center, and is a graduate of Un Of British Columbia, Faculty Of Medicine (2006).

NPPES Registry Identity

NPI1669856019
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. CLARA TAN-TAMCredential: MD PHD FACS FRCSC
Location Address1 ATWELL RDCooperstown, NY 13326-1301
Mailing Address1 Atwell RdCooperstown, NY 13326-1301 · (607) 547-3474 · Fax (607) 547-6553
Phone(607) 547-3474
Fax(607) 547-6553
Sole ProprietorYes
Medical School CMSUn Of British Columbia, Faculty Of MedicineGraduated 2006
Enumeration DateJuly 15, 2015
✔ NPI 1669856019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NY · 60278741
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1 ATWELL RD, Cooperstown, NY 13326
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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. Clara Tan-tam Md Phd Facs Frcsc 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 ID7517267263
PECOS Enrollment IDI20151202000016
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

4

Medicare enrollment records show Clara Tan-tam reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Arnot Medical Services PLLC
106 mi
Internal Medicine
600 ROE AVE
Elmira, NY 14905
  • Reassigned Medicare billing, New York enrollment
  • 122 clinicians in this Medicare group
NPI 1427326768 (607) 737-4500
Arnot Ogden Medical Center
106 mi
General Acute Care Hospital
600 ROE AVE
Elmira, NY 14905
  • Reassigned Medicare billing, New York enrollment
  • 245 clinicians in this Medicare group
NPI 1083605661 (607) 737-4100
Ira Davenport Memorial Hospital, Inc.
122 mi
Rural
7571 STATE ROUTE 54
Bath, NY 14810
  • Reassigned Medicare billing, New York enrollment
  • 54 clinicians in this Medicare group
NPI 1306930318 (607) 776-8500
Multicare Health System
2,067 mi
Internal Medicine
15533 E BROADWAY AVE
Spokane Valley, WA 99037
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
NPI 1336902345 (509) 530-4260

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

Hospital Affiliations CMS Care Compare 2

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

Arnot Ogden Medical Center

Acute Care Hospitals · Elmira, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330090
Location600 Roe AvenueElmira, NY 14905 · Chemung County
Emergency services Birthing friendly

Tacoma General Allenmore Hospital

Acute Care Hospitals · Tacoma, WA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500129
Location315 S Mlk Jr WayTacoma, WA 98405 · Pierce County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13326 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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.

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.

SHIRLEY SCHUE ARNP
Nurse Practitioner (Pediatrics)
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-6982
MARGUERITE DUPLESSIS PA-C
Physician Assistant
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-3153
KYLE NICK PA-C
Physician Assistant
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-3456
MS. BARBARA MARY SEPP LCSW
Social Worker (Clinical)
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-3500
PATRICIA LINDSAY PA-C
Physician Assistant (Surgical)
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-3400
HAYLEE SMITH
Physician Assistant
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-3456
DR. CHRIS L KJOLHEDE M.D.
Pediatrics
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-3290
ELIZABETH FINAN GUINEY L.M., C.M.
Midwife
1 ATWELL RD
COOPERSTOWN, NY 13326
Otsego County (607) 547-3160

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 Clara Tan-tam's NPI number?

The NPI number for Clara Tan-tam is 1669856019. It was assigned to this individual provider in the NPPES registry on July 15, 2015.

Where is Clara Tan-tam located?

Clara Tan-tam practices at 1 Atwell Rd, Cooperstown, NY 13326. The listed phone number is (607) 547-3474.

What is Clara Tan-tam's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Clara Tan-tam enrolled in Medicare?

Yes. Clara Tan-tam 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 organizations bill Medicare for Clara Tan-tam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clara Tan-tam reassigns Medicare benefits to 4 organizations: Arnot Medical Services PLLC (Elmira, NY), Arnot Ogden Medical Center (Elmira, NY), Ira Davenport Memorial Hospital, Inc. (Bath, NY) and Multicare Health System (Spokane Valley, WA). 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 Clara Tan-tam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Clara Tan-tam affiliated with any hospitals?

According to CMS data, Clara Tan-tam is affiliated with Arnot Ogden Medical Center and Tacoma General Allenmore Hospital.

When was this NPI record last updated?

The NPPES record for Clara Tan-tam was last updated on July 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.