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ANNA HAM DO
NPI 1740355981
Internal Medicine in Cambridge, MA

Active since November 22, 2006PECOS EnrolledAccepts Medicare Assignment
2067 MASS AVE, CHA - CAMBRIDGE FAMILY HEALTH NORTH, CAMBRIDGE, MA 02140(617) 575-5570 Get Directions Write a Review

NPPES record last updated: February 9, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Anna Ham Do NPPES

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

ANNA HAM DO (NPI 1740355981) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (206571) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and is a graduate of Nova Southeastern College Of Osteo Medicine (1998).

NPPES Registry Identity

NPI1740355981
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameANNA HAMCredential: DO
Location Address2067 MASS AVE, CHA - CAMBRIDGE FAMILY HEALTH NORTHCambridge, MA 02140-1340
Mailing Address2067 Massachusetts Ave, Cha - Cambridge Family Health NorthCambridge, MA 02140-1340 · (617) 575-5570
Phone(617) 575-5570
Sole ProprietorNo
Medical School CMSNova Southeastern College Of Osteo MedicineGraduated 1998
Enumeration DateNovember 22, 2006
Last NPPES UpdateFebruary 9, 2012
✔ NPI 1740355981 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 · 206571
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.
2067 MASS AVE, Cambridge, MA 02140
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Other Identifiers 4

Medicare PINMX9615MA
OtherJ24401MA · Bcbs Ma
Medicaid2111268MA
Medicare UPINH52957

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, 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

Anna Ham Do 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 ID1355374257
PECOS Enrollment IDI20050912001049
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 Anna Ham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cambridge Public Health Commission
1.5 mi
General Acute Care Hospital
1493 CAMBRIDGE ST, PROVIDER ENROLLMENT
Cambridge, MA 02139
  • Reassigned Medicare billing, Massachusetts enrollment
  • 719 clinicians in this Medicare group
NPI 1932313228 (617) 665-1000

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 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.

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.
85 services55 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.
45 services37 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.
30 services30 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.
16 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Cambridge Health Alliance

Acute Care Hospitals · Cambridge, MA
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number220011
Location1493 Cambridge StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02140 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.

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
8 suppliers23 claims46 services$5.45 avg. paid by Medicare
Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028
DME-Wheelchairs · category DD021N
1 supplier13 claims17 services$14.82 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Anna Ham's NPI number?

The NPI number for Anna Ham is 1740355981. It was assigned to this individual provider in the NPPES registry on November 22, 2006.

Where is Anna Ham located?

Anna Ham practices at 2067 Mass Ave Cha - Cambridge Family Health North, Cambridge, MA 02140. The listed phone number is (617) 575-5570.

What is Anna Ham's specialty?

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

Is Anna Ham enrolled in Medicare?

Yes. Anna Ham 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 Anna Ham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Ham reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, 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 Anna Ham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anna Ham accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Anna Ham 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 Anna Ham affiliated with any hospitals?

According to CMS data, Anna Ham is affiliated with Cambridge Health Alliance and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Anna Ham was last updated on February 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.