JENNIFER L TAM (M.D.) – Geriatric Medicine (Internal Medicine) Physician, NPI 1477516516

JENNIFER L TAM (M.D.) is a healthcare provider. based in Catonsville, Maryland. specializing in GERIATRIC MEDICINE. They hold the professional credentials M.D.. They hold a License No. 154342 (MA). The NPI Number for JENNIFER L TAM (M.D.) is 1477516516

Main info

Female
Sole Proprietor
34 Years Of Experience
Accepts Medicare Assignment
Name
JENNIFER L TAM (M.D.)
NPI
1477516516
Phone
(781) 534-7100
Address
5730 EXECUTIVE DR STE 230
Enumeration Date
10 April 2006
Last Update Date
26 February 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7815347100
Graduation Year
1992 (34 years ago)
PAC ID
9032123773
Group Practice PAC ID
4183528300
Professional Enrollment ID
I20060201000569
Address ID
MA020433791HI300XXWAYX400
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Digital endpointsOther names

223 GERIATRIC MEDICINE in MA

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Provider Addresses for JENNIFER L TAM (M.D.)

  • 5730 EXECUTIVE DR STE 230

    CATONSVILLE, MD 212281762

    Phone: (781) 534-7100

    Fax: (781) 534-7358

    Type: Mailing

  • 300, Linden Ponds Way, Hingham, Plymouth County, Massachusetts, 02043, United States

    HINGHAM, MA 020433769

    Phone: (781) 534-7100

    Fax: (781) 534-7358

    Type: Location

  • Research Park Drive, Catonsville, Baltimore County, Maryland, United States

    BALTIMORE, MD 212284873

    Phone: (781) 534-7100

    Fax: (781) 534-7358

    Type: Mailing

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: 2006-02-01

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
I20060201000569IGeriatric MedicineMATBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
G0008Administration of influenza virus vaccine281281$0
90662Influenza vaccine split virus, preservative free277277$0
99214Established patient office or other outpatient visit, 30-39 minutes225114$0
36415Insertion of needle into vein for collection of blood sample20195$0
99215Established patient office or other outpatient visit, 40-54 minutes13680$0
View full utilization report →

Insurance plans in this area (ZIP 21228)

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Provider's Procedures

JENNIFER L TAM (M.D.) performs procedures in GERIATRIC MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GERIATRIC MEDICINEMA81002Urinalysis, manual test9067

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: 4183528300View full group profile
NameSpecialtyState
Nurse PractitionerMD
-NH
Hospice/Palliative CareMD
Internal MedicineMD
Clinical Social WorkerMD
Clinical Social WorkerMD
Nurse PractitionerPA
Geriatric Medicine, Internal MedicineMD
P O D I A T R YMA
Nurse PractitionerMD

Reviews

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Frequently asked questions

How is JENNIFER L TAM (M.D.) identified in CMS data?
CMS-hosted NPPES data lists JENNIFER L TAM (M.D.) with NPI 1477516516.
Can I rely on JENNIFER L TAM (M.D.) being an active provider?
As of the registry snapshot, JENNIFER L TAM (M.D.) is marked active.
What taxonomy line describes JENNIFER L TAM (M.D.)?
For research purposes, treat JENNIFER L TAM (M.D.) as Geriatric Medicine (Internal Medicine) Physician in this dataset. Clinical services aligned with this taxonomy classification.
What area does JENNIFER L TAM (M.D.) serve?
JENNIFER L TAM (M.D.)'s listing highlights Catonsville, Maryland; more addresses can appear in NPPES.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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