Dr. Don P. Hammi, MD
- Medicare services, 2024
- 935
- Medicare patients, 2024
- 388
- Part D claims, 2024
- 524
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Practice address
- 354 Santa Fe Drive, Encinitas, CA 92024
- Practice phone
- Call (760) 753-6501
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hammi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Don P. Hammi is an internist in Encinitas, California
Dr. Hammi practices at Scripps Memorial Hospital Encinitas in Encinitas, California, part of Scripps Health.
Dr. Hammi's NPI, 1235287269, was assigned on January 8, 2007. Dr. Hammi graduated from Texas A&M College of Medicine - Bryan in 2003. Dr. Hammi holds California license A90556.
- NPI
- 1235287269NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446335871
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 753-6501
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Don P. Hammi practices at Scripps Memorial Hospital Encinitas in Encinitas, California
Dr. Hammi's primary practice is Scripps Memorial Hospital Encinitas, at 354 Santa Fe Drive, Encinitas, CA 92024 in San Diego County. The practice phone is (760) 753-6501.
- Scripps Memorial Hospital Encinitas354 Santa Fe Drive, Encinitas, CA 92024 · San Diego CountyPhone(760) 753-6501
Source: Dmand AI Affiliation Data
Dr. Don P. Hammi is affiliated with 2 sites of care and 1 medical group
Dr. Hammi's primary practice is Scripps Memorial Hospital Encinitas in Encinitas, California, part of Scripps Health. Dr. Hammi is also affiliated with Scripps Memorial Hospital La Jolla. The medical group on file is Encinitas Hospitalist Associates.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Don P. Hammi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hammi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Memorial Hospital Encinitas | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Scripps Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Don P. Hammi is one of 16,751 internists in California
Internal medicine is Dr. Hammi's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hammi is board certified in internal medicine by the American Board of Internal Medicine. Dr. Hammi is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, acute stomach ulcer, atherosclerosis, cardiac arrhythmia, cellulitis, circulatory problems in extremities and congestive heart failure among the conditions Dr. Hammi treats.
Internists near Dr. Hammi
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. Don P. Hammi billed Medicare for 935 services in 2024
CMS data shows 935 Medicare services from Dr. Hammi across 3 procedure codes in 2024, for 388 Medicare patients. Medicare paid $84,256 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hammi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9182024: 9352%
Dr. Hammi compared with the California median for internists, 2024
- Dr. Hammi
- California median
- Medicare services
- 935vs 3612.6 times
- Medicare patients
- 388vs 1512.6 times
- Part D claims
- 201vs 42152% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Hammi'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.
Need commercial claims for Dr. Hammi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hammi and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Don P. Hammi treated 388 Medicare patients in 2024, average age 79
CMS counts 388 Medicare patients who saw Dr. Hammi in 2024. The largest group is 75 to 84, with 172 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.33, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hammi's median patient age at 76, with 60% women.
Dr. Hammi's Medicare patients by age, 2024
Dr. Hammi's Medicare patients by sex, 2024
- Women22057%
- Men16843%
Chronic conditions among Dr. Hammi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Chronic kidney disease47%
- Ischemic heart disease47%
- Mood disorders46%
- Anxiety44%
- Depression44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hammi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Don P. Hammi wrote 524 Medicare Part D claims in 2024
In 2024, Dr. Hammi wrote 524 Medicare Part D claims for 210 patients. 92% of them were for generic drugs. CMS names the drug for 201 of them, across 10 drugs with 11 or more claims each, at $1,195 in total drug cost. In 2023, CMS named 259 claims across 12 drugs.
Dr. Hammi's Part D claims by kind of drug, 2024
- Generic482 claims92%
- Brand-name and other42 claims8%
Dr. Hammi'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. Hammi's Part D claims, 2024
- Opioids10%52 of 524 claims
- Antibiotics23%121 of 524 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: 2592024: 20122%
Drugs named by CMS: 10 in 2024, 12 in 2023.
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. Don P. Hammi scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Hammi for performance year 2024, reported individually. Dr. Hammi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hammi's MIPS scores, performance year 2024
- 88of 100Final score
- 100of 100Quality
- 0of 100Improvement Activities
- 87of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Don P. Hammi received $240 in industry payments from 2016 to 2021
CMS Open Payments shows 14 general payments to Dr. Hammi from 2 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $139.
General payments to Dr. Hammi by program year, 2016 to 2021
Companies that paid Dr. Hammi the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Don P. Hammi graduated from Texas A&M College of Medicine - Bryan
Dr. Hammi graduated from Texas A&M College of Medicine - Bryan in 2003. Dr. Hammi is a member of ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Don P. Hammi accepts plans from 11 insurance carriers
Dr. Hammi is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Aetna
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Hammi accepts, by number of carriers
- PPO7
- HMO6
- EPO3
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Don P. Hammi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Don P. Hammi
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. Don P. Hammi's NPI number?
Dr. Don P. Hammi's NPI number is 1235287269. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Don P. Hammi?
Dr. Don P. Hammi is an internist in Encinitas, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Don P. Hammi practice?
Dr. Hammi practices at 354 Santa Fe Drive, Encinitas, CA 92024. Dr. Hammi's primary practice is Scripps Memorial Hospital Encinitas in Encinitas, California, part of Scripps Health.
What is Dr. Don P. Hammi's office phone number?
The practice phone on file for Dr. Hammi is (760) 753-6501.
What is Dr. Don P. Hammi's medical license number?
Dr. Hammi holds California license A90556.
Which hospitals is Dr. Don P. Hammi affiliated with?
Dr. Hammi practices at Scripps Memorial Hospital Encinitas in Encinitas, California. Dr. Hammi is also affiliated with Scripps Memorial Hospital La Jolla.
What medical group is Dr. Don P. Hammi part of?
Dr. Hammi is linked to Encinitas Hospitalist Associates.
Does Dr. Don P. Hammi accept Medicare?
Yes. CMS data shows Dr. Hammi billed Medicare for 935 services in 2024, and Dr. Hammi accepts Medicare assignment.
What is Dr. Don P. Hammi's MIPS score?
Dr. Hammi's MIPS final score for performance year 2024 is 88 out of 100, reported individually.
How many Medicare patients does Dr. Don P. Hammi see?
CMS counts 388 Medicare patients who saw Dr. Hammi in 2024, with an average age of 79.
Show 7 more questionsShow fewer questions
Is Dr. Don P. Hammi board certified?
Yes. Dr. Hammi is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Don P. Hammi bill to Medicare?
In 2024, Dr. Hammi's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
Where did Dr. Don P. Hammi go to medical school?
Dr. Hammi graduated from Texas A&M College of Medicine - Bryan in 2003.
What drugs does Dr. Don P. Hammi prescribe most?
In 2024 Medicare Part D data, Dr. Hammi's most prescribed drugs by claims were Famotidine, Cefuroxime and Pantoprazole Sodium.
Has Dr. Don P. Hammi received payments from drug or device companies?
CMS Open Payments shows $240 in general payments to Dr. Hammi from 2 companies from 2016 to 2021. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Don P. Hammi been practicing?
Dr. Hammi graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Don P. Hammi accept?
Dr. Hammi is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card