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DR. VERNISSIA TAM MD
NPI 1528344116
Colon & Rectal Surgery in Frederick, MD

Active since October 26, 2011PECOS EnrolledAccepts Medicare Assignment
80.25/100
CMS Quality Rating
194 THOMAS JOHNSON DR, FREDERICK, MD 21702(240) 575-2526(240) 566-7868 Get Directions Write a Review

NPPES record last updated: April 7, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 7, 2022, Sep 13, 2021 (2 updates tracked since 2021).

About Dr. Vernissia Tam Md NPPES

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

DR. VERNISSIA TAM MD (NPI 1528344116) is an individual colon & rectal surgery provider in Frederick, Maryland, licensed in Maryland (D0092081) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1528344116
Entity TypeIndividualFemale
Primary Taxonomy208C00000X
Provider Legal NameDR. VERNISSIA TAMCredential: MD
Location Address194 THOMAS JOHNSON DRFrederick, MD 21702-4679
Mailing Address2946 Woodvalley Dr.Pikesville, MD 21208 · (401) 499-4294
Phone(240) 575-2526
Fax(240) 566-7868
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateOctober 26, 2011
Last NPPES UpdateApril 7, 20222 updates tracked since enumeration
NPPES CertifiedApril 7, 2022
✔ NPI 1528344116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in MD · D0092081
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
194 THOMAS JOHNSON DR, Frederick, MD 21702
Open in Google Maps ↗

Secondary Practice Location 1

Location 1600 N Wolfe StBaltimore, MD 21287-0005 · Phone (410) 955-5080

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. Vernissia Tam Md 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 ID6608274634
PECOS Enrollment IDI20211006000725
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 7

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.

Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
67 services63 patients
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.
61 services47 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
58 services58 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.
29 services26 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210005
Location400 West Seventh StFrederick, MD 21701 · Frederick County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21702 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$72.23 typical visit price
range $18.66 – $143.02
Typical copayment $18.05 (range $4.66 – $35.75)
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.

80.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.29
Promoting Interoperability100
Improvement Activities40
Cost54.89

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.

FREDERICK HEALTH HOSPITAL INC
Clinic/Center (Rehabilitation)
194 THOMAS JOHNSON DR, SUITE B
FREDERICK, MD 21702
Frederick County (240) 566-3400
DR. VIKRAM SINGH SODHI M.D.
Family Medicine
194 THOMAS JOHNSON DR, SUITE A
FREDERICK, MD 21702
Frederick County (240) 215-6310
ABBY BELAY
Nurse Practitioner (Family)
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Frederick County (240) 215-6310
DANIEL DANIELS M.D.
Internal Medicine (Gastroenterology)
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Frederick County (240) 575-2526
MS. TESSLA MCGRAW PA-C
Physician Assistant
194 THOMAS JOHNSON DR, SUITE A
FREDERICK, MD 21702
Frederick County (240) 215-6310
FREDERICK HEALTH MEDICAL GROUP LLC
Internal Medicine (Hematology)
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Frederick County (301) 662-8477
LAURA LEE DUNLOW PA-C
Physician Assistant
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Frederick County (240) 215-6310
GNANARAJ JOHNSON KOILPILLAI M.D.
Family Medicine
194 THOMAS JOHNSON DR, SUITE A
FREDERICK, MD 21702
Frederick County (240) 215-6310

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 Vernissia Tam's NPI number?

The NPI number for Vernissia Tam is 1528344116. It was assigned to this individual provider in the NPPES registry on October 26, 2011.

Where is Vernissia Tam located?

Vernissia Tam practices at 194 Thomas Johnson Dr, Frederick, MD 21702. The listed phone number is (240) 575-2526.

What is Vernissia Tam's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Vernissia Tam enrolled in Medicare?

Yes. Vernissia 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.

Is Vernissia Tam affiliated with any hospitals?

According to CMS data, Vernissia Tam is affiliated with Frederick Health Hospital.

When was this NPI record last updated?

The NPPES record for Vernissia Tam was last updated on April 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.