Natalie Louise Tammen, PA-C
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 353
- Affiliated sites
- 1
- Medical groups
- 6
- State license
- 1
- Practice address
- 3850 Grand Ave, Oakland, CA 94610
- Practice phone
- Call (888) 663-6331
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
One Medical Group - Oakland (Grand Ave)
Primary care practice · Oakland, California
Find Natalie Tammen'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.
Natalie Louise Tammen is a physician assistant in San Francisco, California
Natalie Tammen practices at One Medical Group - Oakland (Grand Ave) in Oakland, California.
Natalie Tammen's NPI, 1477058584, was assigned on March 29, 2018. Natalie Tammen holds California license 55479.
- NPI
- 1477058584NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355696667
- NPI enumeration date
- March 29, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (888) 663-6331
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Natalie Louise Tammen practices in Oakland and San Francisco
Natalie Tammen's primary practice is One Medical Group - Oakland (Grand Ave), at 3850 Grand Ave, Oakland, CA 94610. The practice phone is (888) 663-6331. The NPI Registry lists Natalie Tammen's practice address as 1 The Embarcadero, San Francisco, CA 94111.
- One Medical Group - Oakland (Grand Ave)Primary3850 Grand Ave, Oakland, CA 94610Phone(888) 663-6331
- NPI Registry address1 The Embarcadero, San Francisco, CA 94111 · San Francisco County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Natalie Louise Tammen is affiliated with 1 site of care and 6 medical groups
Natalie Tammen's primary practice is One Medical Group - Oakland (Grand Ave) in Oakland, California. The medical group on file is UCSF Pediatrics. Dmand AI also links Natalie Tammen to 5 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Natalie Louise Tammen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Natalie Tammen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| One Medical Group - Oakland (Grand Ave) | Available with a free account |
| +5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Natalie Louise Tammen is one of 11,482 physician assistants in California
Physician assistant is Natalie Tammen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Natalie Tammen is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Natalie Tammen
Counts of physician assistants 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
Natalie Louise Tammen treated 36 Medicare patients in 2024, average age 76
CMS counts 36 Medicare patients who saw Natalie Tammen in 2024. The largest group is 65 to 74, with 19 patients. 56% of them have high blood pressure, and 47% have high cholesterol. Their average risk score is 0.56, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Natalie Tammen's median patient age at 43, with 82% women.
Natalie Tammen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Natalie Tammen's Medicare patients by sex, 2024
- Women1953%
- Men1747%
Chronic conditions among Natalie Tammen's Medicare patients, 2024
- High blood pressure56%
- High cholesterol47%
- Arthritis31%
Share of Medicare patients with each condition. A patient can have several.
Natalie Tammen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women82%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Natalie Louise Tammen wrote 353 Medicare Part D claims in 2024
In 2024, Natalie Tammen wrote 353 Medicare Part D claims for 42 patients. 90% of them were for generic drugs.
Natalie Tammen's Part D claims by kind of drug, 2024
- Generic318 claims90%
- Brand-name35 claims10%
Drug classes CMS tracks in Natalie Tammen's Part D claims, 2024
- Antibiotics3%11 of 353 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Natalie Louise Tammen takes part in Medicare
Natalie Tammen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Natalie Louise Tammen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 (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) |
| 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 Natalie Louise Tammen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Natalie Louise Tammen's NPI number?
Natalie Louise Tammen's NPI number is 1477058584. It was assigned on March 29, 2018, and it is active in the NPI Registry.
What does Natalie Louise Tammen specialize in?
Natalie Louise Tammen is a physician assistant in San Francisco, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Natalie Louise Tammen practice?
Natalie Tammen practices at 3850 Grand Ave, Oakland, CA 94610. Natalie Tammen also practices at 1 The Embarcadero, San Francisco, CA 94111. Natalie Tammen's primary practice is One Medical Group - Oakland (Grand Ave) in Oakland, California. Dmand AI also links Natalie Tammen to 5 medical groups.
What is Natalie Louise Tammen's office phone number?
The practice phone on file for Natalie Tammen is (888) 663-6331.
What is Natalie Louise Tammen's medical license number?
Natalie Tammen holds California license 55479.
What medical group is Natalie Louise Tammen part of?
Natalie Tammen is linked to UCSF Pediatrics. Dmand AI links Natalie Tammen to 5 more medical groups.
Does Natalie Louise Tammen accept Medicare?
Yes. CMS lists Natalie Tammen as accepting Medicare assignment.
How many Medicare patients does Natalie Louise Tammen see?
CMS counts 36 Medicare patients who saw Natalie Tammen in 2024, with an average age of 76.
How long has Natalie Louise Tammen been practicing?
Natalie Tammen graduated from medical school in 2017, 9 years ago.
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