Anna Ham, DO
NPI 1740355981 · Internal Medicine Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Ham, DO is a Internal Medicine Physician provider in Cambridge, MA (NPI 1740355981).
Provider details
- NPI number
- 1740355981
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 206571 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
176 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $89 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $62 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 30 | $52 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 16 | $101 |
Typical Medicare-allowed amounts for these services range $52–$101 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 201 | 61 |
| Amlodipine Besylate | 150 | 48 |
| Metformin Hcl | 137 | 41 |
| Lisinopril | 132 | 44 |
| Omeprazole | 130 | 49 |
| Metoprolol Succinate | 115 | 34 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-22
- Last updated
- 2012-02-09
Frequently asked questions
- What is Anna Ham's NPI number?
- Anna Ham's National Provider Identifier (NPI) is 1740355981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Ham's specialty?
- Anna Ham is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Ham located?
- Anna Ham's practice location on file with NPPES is 2067 Mass Ave, Cambridge, MA 02140-1340.
- What is Anna Ham's phone number?
- The practice phone number listed in the NPPES registry for Anna Ham is (617) 575-5570.
- Does Anna Ham accept Medicare?
- Anna Ham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Ham's NPI active?
- Yes — Anna Ham's NPI (1740355981) is active in the NPPES registry as of the last update on 2012-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.