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DR. ZHONGZHEN LI M.D.
NPI 1669797791
Internal Medicine in Milford, MA

Active since March 31, 2010PECOS EnrolledAccepts Medicare Assignment
117 WATER ST, MILFORD, MA 01757(508) 478-4500(508) 478-5235 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Zhongzhen Li M.d. NPPES

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

DR. ZHONGZHEN LI M.D. (NPI 1669797791) is an individual internal medicine provider in Milford, Massachusetts, licensed in Massachusetts (255318) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Milford Regional Medical Center, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1669797791
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ZHONGZHEN LICredential: M.D.
Location Address117 WATER STMilford, MA 01757-3036
Mailing Address9 Industrial Rd Ste 5Milford, MA 01757-3736 · (508) 473-1480 · Fax (508) 473-1210
Phone(508) 478-4500
Fax(508) 478-5235
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateMarch 31, 2010
Last NPPES UpdateSeptember 3, 2025
NPPES CertifiedSeptember 3, 2025
✔ NPI 1669797791 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 · 255318
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.
117 WATER ST, Milford, MA 01757
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Other Identifiers 1

Medicaid110096770AMA

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

Dr. Zhongzhen Li M.d. 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 ID1153565650
PECOS Enrollment IDI20130924000447
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

2

Medicare enrollment records show Zhongzhen Li reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Milford Regional Physician Group, Inc.
0.7 mi
Cardiovascular Disease
308 MAIN ST
Milford, MA 01757
  • Reassigned Medicare billing, Massachusetts enrollment
  • 238 clinicians in this Medicare group
NPI 1285031039 (508) 731-2560
Umass Memorial Medical Group Inc
15 mi
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000

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 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.

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.
282 services175 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
160 services160 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
111 services85 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
53 services52 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
50 services50 patients
Transitional care management services for problem of at least moderate complexity 99495
Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.
23 services22 patients

Hospital Affiliations CMS Care Compare 2

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

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220090
Location14 Prospect StreetMilford, MA 01757 · Worcester County
Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01757 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers34 claims92 services$6.34 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers13 claims16 services$1.18 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EZEQUIEL DE LEON NP
Nurse Practitioner
117 WATER ST
MILFORD, MA 01757
Worcester County (508) 478-4500
MATTHEW P ROZANSKI NP
Nurse Practitioner
117 WATER ST
MILFORD, MA 01757
Worcester County (508) 478-4500
STEVEN F TARABORELLI M.D.
Internal Medicine
117 WATER ST, MCGRATH MEDICAL GROUP
MILFORD, MA 01757
Worcester County (508) 478-4500
SAMIR H KAILANI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
117 WATER ST
MILFORD, MA 01757
Worcester County (508) 478-4500
EMMETT A CLEMENTE M.D.
Internal Medicine
117 WATER ST, MCGRATH MEDICAL GROUP
MILFORD, MA 01757
Worcester County (508) 478-4500

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 Zhongzhen Li's NPI number?

The NPI number for Zhongzhen Li is 1669797791. It was assigned to this individual provider in the NPPES registry on March 31, 2010.

Where is Zhongzhen Li located?

Zhongzhen Li practices at 117 Water St, Milford, MA 01757. The listed phone number is (508) 478-4500.

What is Zhongzhen Li's specialty?

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

Is Zhongzhen Li enrolled in Medicare?

Yes. Zhongzhen Li 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 Zhongzhen Li's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zhongzhen Li reassigns Medicare benefits to 2 organizations: Milford Regional Physician Group, Inc. (Milford, MA) and Umass Memorial Medical Group Inc (Worcester, MA). 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 Zhongzhen Li's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zhongzhen Li accept?

Health plans from Taro Health list Zhongzhen Li 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 Zhongzhen Li affiliated with any hospitals?

According to CMS data, Zhongzhen Li is affiliated with Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Zhongzhen Li was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.