Dr. Anna M. Liess, MD
- Medicare services, 2024
- 762
- Medicare patients, 2024
- 296
- Part D claims, 2024
- 3,717
- Hospital affiliations
- 3
- Medical group
- 1
- Practice address
- 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040
- Practice phone
- Call (408) 739-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Mountain View
Surgery Center - Medicare-Certified · Mountain View, California
Find Dr. Liess' professional email, personal email and mobile number
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Dr. Anna M. Liess is an internist in Mountain View, California
Dr. Liess practices at Surgery Center Mountain View in Mountain View, California.
Dr. Liess' NPI, 1467596858, was assigned on February 18, 2007. Dr. Liess graduated from Stanford University School of Medicine in 2006. Dr. Liess holds California license A108524.
- NPI
- 1467596858NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042355323
- NPI enumeration date
- February 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 739-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anna M. Liess practices at Surgery Center Mountain View in Mountain View, California
Dr. Liess' primary practice is Surgery Center Mountain View, at 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040. The practice phone is (408) 739-6000.
- Surgery Center Mountain View701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040Phone(408) 739-6000
Source: Dmand AI Affiliation Data
Dr. Anna M. Liess is affiliated with 7 sites of care and 1 medical group
Dr. Liess' primary practice is Surgery Center Mountain View in Mountain View, California. Dr. Liess is also affiliated with El Camino Health - Mountain View Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Liess to 2 more hospitals, 2 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Anna M. Liess' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liess practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Mountain View | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anna M. Liess is one of 16,751 internists in California
Internal medicine is Dr. Liess' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Liess' licenses on file in 2 states: California and Massachusetts.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Massachusetts license
Internists near Dr. Liess
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 M. Liess billed Medicare for 762 services in 2024
CMS data shows 762 Medicare services from Dr. Liess across 11 procedure codes in 2024, for 296 Medicare patients. Medicare paid $75,836 for them. Every service was in an office.
Dr. Liess' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3992024: 4339%
- Other services
- 2023: 2262024: 29330%
- Tests and treatments
- 2023: 482024: 2058%
- Surgery
- 2023: 122024: 1633%
Dr. Liess compared with the California median for internists, 2024
- Dr. Liess
- California median
- Medicare services
- 762vs 3612.1 times
- Medicare patients
- 296vs 15196% above
- Part D claims
- 3,099vs 4217.4 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Liess' 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anna M. Liess treated 296 Medicare patients in 2024, average age 77
CMS counts 296 Medicare patients who saw Dr. Liess in 2024. The largest group is 75 to 84, with 116 patients. 62% of them have high cholesterol, and 59% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Liess' median patient age at 62, with 80% women.
Dr. Liess' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Liess' Medicare patients by sex, 2024
- Women23680%
- Men6020%
Chronic conditions among Dr. Liess' Medicare patients, 2024
- High cholesterol62%
- High blood pressure59%
- Arthritis34%
- Osteoporosis27%
- Cancer17%
- Mood disorders16%
- Chronic kidney disease15%
- Diabetes15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Liess' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women80%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anna M. Liess wrote 3,717 Medicare Part D claims in 2024
In 2024, Dr. Liess wrote 3,717 Medicare Part D claims for 350 patients. 91% of them were for generic drugs. CMS names the drug for 3,099 of them, across 65 drugs with 11 or more claims each, at $178,876 in total drug cost. In 2023, CMS named 2,843 claims across 66 drugs.
Dr. Liess' Part D claims by kind of drug, 2024
- Generic3,365 claims91%
- Brand-name and other352 claims9%
Dr. Liess' 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. Liess' Part D claims, 2024
- Opioids2%91 of 3,717 claims
- Antibiotics2%62 of 3,717 claims
- Antipsychotics, patients 65 and over0%17 of 3,717 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: 2,8432024: 3,0999%
Drugs named by CMS: 65 in 2024, 66 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. Anna M. Liess offers telehealth to Medicare patients
Dr. Liess accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liess as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Anna M. Liess graduated from Stanford University School of Medicine
Dr. Liess graduated from Stanford University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anna M. Liess'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Anna M. Liess
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 M. Liess' NPI number?
Dr. Anna M. Liess' NPI number is 1467596858. It was assigned on February 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna M. Liess?
Dr. Anna M. Liess is an internist in Mountain View, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Anna M. Liess practice?
Dr. Liess practices at 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040. Dr. Liess' primary practice is Surgery Center Mountain View in Mountain View, California. Dmand AI also links Dr. Liess to 2 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. Anna M. Liess' office phone number?
The practice phone on file for Dr. Liess is (408) 739-6000.
What is Dr. Anna M. Liess' medical license number?
Dr. Liess holds California license A108524, one of the licenses on file in 2 states.
Which states has Dr. Anna M. Liess been licensed in?
Dmand AI has state licenses on file for Dr. Liess in California and Massachusetts.
Which hospitals is Dr. Anna M. Liess affiliated with?
Dr. Liess is affiliated with El Camino Health - Mountain View Hospital. Dmand AI links Dr. Liess to 2 more hospitals.
What medical group is Dr. Anna M. Liess part of?
Dr. Liess is linked to Palo Alto Foundation Medical Group.
Does Dr. Anna M. Liess accept Medicare?
Yes. CMS data shows Dr. Liess billed Medicare for 762 services in 2024, and Dr. Liess accepts Medicare assignment.
Does Dr. Anna M. Liess offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Liess as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Anna M. Liess see?
CMS counts 296 Medicare patients who saw Dr. Liess in 2024, with an average age of 77.
What services does Dr. Anna M. Liess bill to Medicare?
In 2024, Dr. Liess' most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and office visit, established patient (99214).
Where did Dr. Anna M. Liess go to medical school?
Dr. Liess graduated from Stanford University School of Medicine in 2006.
What drugs does Dr. Anna M. Liess prescribe most?
In 2024 Medicare Part D data, Dr. Liess' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
How long has Dr. Anna M. Liess been practicing?
Dr. Liess graduated from medical school in 2006, 20 years ago.
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