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ZEMIN WANG
NPI 1861029985
Internal Medicine in Concord, MA

Active since March 26, 2020PECOS EnrolledAccepts Medicare Assignment
133 OLD ROAD TO 9 ACRE COR, CONCORD, MA 01742(978) 369-1400 Get Directions Write a Review

NPPES record last updated: September 25, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 25, 2024, Jul 10, 2023, Mar 26, 2020 (3 updates tracked since 2020).

About Zemin Wang NPPES

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

ZEMIN WANG (NPI 1861029985) is an individual internal medicine provider in Concord, Massachusetts, licensed in Massachusetts (1013805) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Emerson Hospital -, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1861029985
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameZEMIN WANG
Location Address133 OLD ROAD TO 9 ACRE CORConcord, MA 01742-4169
Mailing Address133 Old Road To 9 Acre CorConcord, MA 01742-4169
Phone(978) 369-1400
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 26, 2020
Last NPPES UpdateSeptember 25, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2024
✔ NPI 1861029985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1013805
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
133 OLD ROAD TO 9 ACRE COR, Concord, MA 01742
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

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

Zemin Wang 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 ID4880058254
PECOS Enrollment IDI20230919000958
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 Reassignment

Medicare enrollment records show Zemin Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emerson Practice Associates, Inc.
1.6 mi
Internal Medicine
133 OLD ROAD TO NINE ACRE CORNER
Concord, MA 01742
  • Reassigned Medicare billing, Massachusetts enrollment
  • 451 clinicians in this Medicare group
NPI 1508020199 (978) 287-3022

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

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
515 services212 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
175 services165 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
51 services23 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
35 services35 patients

Hospital Affiliations CMS Care Compare 2

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

Emerson Hospital -

Acute Care Hospitals · W Concord, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220084
Location133 Old Road To 9 Acre CornerW Concord, MA 01742 · Middlesex County
Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01742 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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.

TAK MEDICAL GROUP, P.C.
Internal Medicine (Critical Care Medicine)
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (978) 466-4396
JULIE TALCOFF LICSW
Social Worker (Clinical)
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (978) 287-3428
JAYE L FINN PA
Physician Assistant (Surgical)
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (978) 369-1400
STEPHANIE WEYGAND
Nurse Anesthetist, Certified Registered
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (978) 369-1400
MICHELLE RENE ALLANBROOK RN
Registered Nurse
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (978) 287-8042
MR. DAVID RAMSAY III RN
Registered Nurse
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (805) 895-4222
KERI MANCA PA-C
Physician Assistant
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (978) 369-3160
SHAHAB SHAYESTEH MD
Internal Medicine
133 OLD ROAD TO 9 ACRE COR
CONCORD, MA 01742
Middlesex County (978) 287-3321

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 Zemin Wang's NPI number?

The NPI number for Zemin Wang is 1861029985. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Zemin Wang located?

Zemin Wang practices at 133 Old Road To 9 Acre Cor, Concord, MA 01742. The listed phone number is (978) 369-1400.

What is Zemin Wang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Zemin Wang enrolled in Medicare?

Yes. Zemin Wang 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 organization bills Medicare for Zemin Wang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zemin Wang reassigns Medicare benefits to Emerson Practice Associates, Inc. (Concord, MA). The 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 Zemin Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zemin Wang accept?

Health plans from Taro Health list Zemin Wang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Zemin Wang affiliated with any hospitals?

According to CMS data, Zemin Wang is affiliated with Emerson Hospital - and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Zemin Wang was last updated on September 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.