JAMES C WASSERMAN (M.D.) – Nephrology Physician, NPI 1457352874

JAMES C WASSERMAN (M.D.) is a healthcare provider. based in Portland, Maine. specializing in Nephrology Physician. They hold the professional credentials M.D.. They hold a License No. 013304 (ME). The NPI Number for JAMES C WASSERMAN (M.D.) is 1457352874

Main info

Male
41 Years Of Experience
Accepts Medicare Assignment
Name
JAMES C WASSERMAN (M.D.)
NPI
1457352874
Phone
(207) 774-5222
Address
1600B CONGRESS ST
Enumeration Date
9 August 2005
Last Update Date
16 May 2012

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Secondary Phone
2077745222
Graduation Year
1985 (41 years ago)
PAC ID
1557307766
Group Practice PAC ID
3678504677
Professional Enrollment ID
I20050628000954
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for JAMES C WASSERMAN (M.D.)

  • Congress Street, Stroudwater, Portland, Cumberland County, Maine, 04102, United States

    PORTLAND, ME 041022124

    Phone: (207) 774-5222

    Fax: (207) 761-4433

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-06-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050628000954INephrologyMETBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 04102)

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Provider's Procedures

JAMES C WASSERMAN (M.D.) performs procedures in Nephrology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
NEPHROLOGYME90935Hemodialysis procedure with one physician evaluation7740
NEPHROLOGYME90961Dialysis services (2-3 physician visits per month), patient 20 years of age and older9459

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3678504677View full group profile

Reviews

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Frequently asked questions

Can I use this page to confirm JAMES C WASSERMAN (M.D.)'s NPI?
Yes. JAMES C WASSERMAN (M.D.) is listed with NPI 1457352874 in the public NPI dataset.
Does the file indicate JAMES C WASSERMAN (M.D.) is practicing under active NPI?
Directory data currently reports JAMES C WASSERMAN (M.D.) as active.
What is JAMES C WASSERMAN (M.D.)'s specialty?
The listing groups JAMES C WASSERMAN (M.D.) with Nephrology Physician. Clinical services aligned with this taxonomy classification.
Where should I expect JAMES C WASSERMAN (M.D.) on a map?
Expect Portland, Maine as a primary anchor for JAMES C WASSERMAN (M.D.) unless the record lists multiple sites.
Why does JAMES C WASSERMAN (M.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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