Dr. Anna Ham, DO

  • Cambridge, MA
  • Internist
NPI1740355981PAC ID1355374257
Medicare services, 2024
176
Medicare patients, 2024
102
Part D claims, 2024
3,048
Hospital affiliations
2
Medical group
1
Practice address
1493 Cambridge Street, Cambridge, MA 02139
Practice phone
Call (617) 665-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

CHA Cambridge Hospital

Hospital · Cambridge, Massachusetts

See all 4 affiliations

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Dr. Anna Ham is an internist in Cambridge, Massachusetts

Dr. Ham practices at CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.

Dr. Ham's NPI, 1740355981, was assigned on November 22, 2006. Dr. Ham graduated from Nova Southeastern College of Osteo Medicine in 1998. Dr. Ham holds Massachusetts license 206571.

NPI and contact details
Medicare PAC ID
1355374257
NPI enumeration date
November 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 665-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Anna Ham practices at CHA Cambridge Hospital in Cambridge, Massachusetts

Dr. Ham's primary practice is CHA Cambridge Hospital, at 1493 Cambridge Street, Cambridge, MA 02139 in Middlesex County. The practice phone is (617) 665-1000.

Source: Dmand AI Affiliation Data

Dr. Anna Ham is affiliated with 3 sites of care and 1 medical group

Dr. Ham's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. Dr. Ham is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Cambridge Health Alliance. Dmand AI also links Dr. Ham to 1 more home health agency, named with a free account. Dr. Ham's employer is on file too: a hospital.

See all 4 affiliations for Dr. Ham

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Anna Ham's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ham practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
CHA Cambridge HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Anna Ham is one of 5,528 internists in Massachusetts

Internal medicine is Dr. Ham's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ham is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 206571 · taxonomy 207R00000X

Internists near Dr. Ham

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Anna Ham billed Medicare for 176 services in 2024

CMS data shows 176 Medicare services from Dr. Ham across 4 procedure codes in 2024, for 102 Medicare patients. Medicare paid $7,923 for them.

Medicare services, 2024176
Medicare patients102
Paid by Medicare$7,923
Procedure codes4

Dr. Ham's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1352024: 1468%
Other services
2023: 472024: 3036%

Where Dr. Ham's Medicare services took place, 2024

  • In an office169%
  • In a facility16091%

Dr. Ham compared with the Massachusetts median for internists, 2024

  • Dr. Ham
  • Massachusetts median
Medicare services
176vs 43159% below
Medicare patients
102vs 19447% below
Part D claims
2,570vs 4026.4 times

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Ham's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ham

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Anna Ham treated 102 Medicare patients in 2024, average age 70

CMS counts 102 Medicare patients who saw Dr. Ham in 2024. The largest group is 65 to 74, with 56 patients. 61% of them have high blood pressure, and 36% have high cholesterol. 62% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ham's median patient age at 54, with 68% women.

Medicare patients, 2024102
Average age70
Average risk score1.01
Also on Medicaid62%

Dr. Ham's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ham's Medicare patients by sex, 2024

  • Women7069%
  • Men3231%

Chronic conditions among Dr. Ham's Medicare patients, 2024

  1. High blood pressure61%
  2. High cholesterol36%
  3. Mood disorders35%
  4. Depression33%
  5. Diabetes31%
  6. Anxiety25%
  7. Arthritis25%
  8. Chronic kidney disease14%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ham's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women68%
  • Men32%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Anna Ham wrote 3,048 Medicare Part D claims in 2024

In 2024, Dr. Ham wrote 3,048 Medicare Part D claims for 294 patients. 82% of them were for generic drugs. CMS names the drug for 2,570 of them, across 66 drugs with 11 or more claims each, at $382,782 in total drug cost. In 2023, CMS named 2,455 claims across 63 drugs.

Part D claims, 20243,048
Drugs named by CMS66
Total drug cost$382,782
Part D patients294

Dr. Ham's Part D claims by kind of drug, 2024

  • Generic2,488 claims82%
  • Brand-name510 claims17%
  • Other50 claims2%

Dr. Ham's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ham's Part D claims, 2024

  • Opioids3%96 of 3,048 claims
  • Antibiotics1%21 of 3,048 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,4552024: 2,5705%

Drugs named by CMS: 66 in 2024, 63 in 2023.

See all prescribing by Dr. Ham

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Anna Ham offers telehealth to Medicare patients

Dr. Ham accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ham as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Anna Ham graduated from Nova Southeastern College of Osteo Medicine

Dr. Ham graduated from Nova Southeastern College of Osteo Medicine in 1998.

  1. Medical schoolNova Southeastern College of Osteo Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Anna Ham's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Anna Ham

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Anna Ham's NPI number?

Dr. Anna Ham's NPI number is 1740355981. It was assigned on November 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Anna Ham?

Dr. Anna Ham is an internist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Anna Ham practice?

Dr. Ham practices at 1493 Cambridge Street, Cambridge, MA 02139. Dr. Ham's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. Dmand AI also links Dr. Ham to 1 home health agency.

What is Dr. Anna Ham's office phone number?

The practice phone on file for Dr. Ham is (617) 665-1000.

What is Dr. Anna Ham's medical license number?

Dr. Ham holds Massachusetts license 206571.

Which hospitals is Dr. Anna Ham affiliated with?

Dr. Ham practices at CHA Cambridge Hospital in Cambridge, Massachusetts. Dr. Ham is also affiliated with Beth Israel Deaconess Medical Center.

What medical group is Dr. Anna Ham part of?

Dr. Ham is linked to Cambridge Health Alliance.

Does Dr. Anna Ham accept Medicare?

Yes. CMS data shows Dr. Ham billed Medicare for 176 services in 2024, and Dr. Ham accepts Medicare assignment.

Does Dr. Anna Ham offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ham as offering telehealth services.

How many Medicare patients does Dr. Anna Ham see?

CMS counts 102 Medicare patients who saw Dr. Ham in 2024, with an average age of 70.

Show 4 more questionsShow fewer questions

What services does Dr. Anna Ham bill to Medicare?

In 2024, Dr. Ham's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).

Where did Dr. Anna Ham go to medical school?

Dr. Ham graduated from Nova Southeastern College of Osteo Medicine in 1998.

What drugs does Dr. Anna Ham prescribe most?

In 2024 Medicare Part D data, Dr. Ham's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.

How long has Dr. Anna Ham been practicing?

Dr. Ham graduated from medical school in 1998, 28 years ago.

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