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Dr. John Robert Nienow, MD
NPI1861472649PAC ID9638146004
- Medicare services, 2024
- 1,038
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 10,815
- Publications
- 2
- MIPS score, 2024
- 26
- Practice address
- 2300 California St Ste 306, San Francisco, CA 94115-2754
- Practice phone
- Call (415) 202-1550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Strategic Wellness Inc
Physician office · San Francisco, California
Find Dr. Nienow'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. John Robert Nienow is an infectious disease specialist in San Francisco, California
Dr. Nienow practices at Strategic Wellness Inc in San Francisco, California.
Dr. Nienow's NPI, 1861472649, was assigned on January 18, 2006. Dr. Nienow graduated from Yale School of Medicine in 1988. Dr. Nienow holds California license 00G795490.
NPI and contact details
- NPI
- 1861472649NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638146004
- NPI enumeration date
- January 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 202-1550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Robert Nienow practices at Strategic Wellness Inc in San Francisco, California
Dr. Nienow's primary practice is Strategic Wellness Inc, at 2300 California St Ste 306, San Francisco, CA 94115-2754. The practice phone is (415) 202-1550.
- Strategic Wellness Inc2300 California St Ste 306, San Francisco, CA 94115-2754Phone(415) 202-1550
Source: Dmand AI Affiliation Data
Dr. John Robert Nienow is affiliated with 8 sites of care and 1 medical group
Dr. Nienow's primary practice is Strategic Wellness Inc in San Francisco, California. Dr. Nienow is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI also links Dr. Nienow to 4 more hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Strategic Wellness IncPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Robert Nienow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nienow practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Strategic Wellness Inc | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Robert Nienow is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Nienow's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Nienow is board certified in addiction medicine by the American Board of Preventive Medicine. Dr. Nienow is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gallbladder or bile duct inflammation, acute mini-stroke (TIA), adjustment disease, aneurysm, anxiety, atrial fibrillation and flutter and chronic diabetes among the conditions Dr. Nienow treats.
Infectious disease specialists near Dr. Nienow
Counts of infectious disease specialists 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. John Robert Nienow billed Medicare for 1,038 services in 2024
CMS data shows 1,038 Medicare services from Dr. Nienow across 7 procedure codes in 2024, for 192 Medicare patients. Medicare paid $90,849 for them. Every service was in an office.
Medicare services, 20241,038
Medicare patients192
Paid by Medicare$90,849
Procedure codes7
Dr. Nienow's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6902024: 6447%
- Other services
- 2023: 252024: 3941476%
Dr. Nienow compared with the California median for infectious disease specialists, 2024
- Dr. Nienow
- California median
- Medicare services
- 1,038vs 4292.4 times
- Medicare patients
- 192vs 1807% above
- Part D claims
- 10,161vs 11985.4 times
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Nienow'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. Nienow?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nienow and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Robert Nienow treated 192 Medicare patients in 2024, average age 71
CMS counts 192 Medicare patients who saw Dr. Nienow in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have diabetes, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nienow's median patient age at 69, with 13% women.
Medicare patients, 2024192
Average age71
Average risk score1.06
Also on Medicaid13%
Dr. Nienow's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nienow's Medicare patients by sex, 2024
- Women2111%
- Men17189%
Chronic conditions among Dr. Nienow's Medicare patients, 2024
- Diabetes75%
- High cholesterol75%
- High blood pressure66%
- Arthritis33%
- Ischemic heart disease27%
- Mood disorders23%
- Depression21%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nienow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women13%
- Men83%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Robert Nienow wrote 10,815 Medicare Part D claims in 2024
In 2024, Dr. Nienow wrote 10,815 Medicare Part D claims for 392 patients. 73% of them were for generic drugs. CMS names the drug for 10,161 of them, across 181 drugs with 11 or more claims each, at $8,074,841 in total drug cost. In 2023, CMS named 9,710 claims across 169 drugs.
Part D claims, 202410,815
Drugs named by CMS181
Total drug cost$8.1M
Part D patients392
Dr. Nienow's Part D claims by kind of drug, 2024
- Generic7,919 claims73%
- Brand-name2,851 claims26%
- Other45 claims0%
Dr. Nienow'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. Nienow's Part D claims, 2024
- Opioids3%342 of 10,815 claims
- Antibiotics2%210 of 10,815 claims
- Antipsychotics, patients 65 and over0%46 of 10,815 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: 9,7102024: 10,1615%
Drugs named by CMS: 181 in 2024, 169 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. John Robert Nienow scored 26 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 26 out of 100 for Dr. Nienow for performance year 2024, reported individually. Dr. Nienow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nienow's MIPS scores, performance year 2024
- 26of 100Final score
- 0of 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
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Dr. John Robert Nienow has 2 publications on record
Dmand AI links 2 papers to Dr. Nienow. The most frequent topics are Models, Molecular, Molecular Conformation and Receptors, GABA-A. Dr. Nienow has published most often in Mol Pharmacol.
Papers2
Topics Dr. Nienow writes about most
- Models, Molecular
- Molecular Conformation
- Receptors, GABA-A
- Structure-Activity Relationship
Recent publications by Dr. Nienow
BenzodiazepinesBinding SitesDiazepam
See who Dr. Nienow researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nienow works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Robert Nienow received $20,540 in industry payments from 2016 to 2025
CMS Open Payments shows 416 general payments to Dr. Nienow from 8 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 55% of the total. Gilead Sciences, Inc. paid the most, $11,677.
General payments to Dr. Nienow by program year, 2016 to 2025
General payments to Dr. Nienow by kind, 2016 to 2025
$20.5Kin total
- Consulting fees$11,29055%
- Food and beverage$7,58937%
- Travel and lodging$1,6308%
- Education$310%
Companies that paid Dr. Nienow the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Robert Nienow graduated from Yale School of Medicine
Dr. Nienow graduated from Yale School of Medicine in 1988.
- Medical school
- Board certified in addiction medicine
Source: Dmand AI Professional Profile Data
Dr. John Robert Nienow accepts plans from 12 insurance carriers
Dr. Nienow is in network with 12 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Elevance
- Humana
- Regence Health Plans
- +4 more carriersWith a free account
Plan types Dr. Nienow accepts, by number of carriers
- Medicare8
- PPO8
- HMO6
- EPO3
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Robert Nienow'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John Robert Nienow
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. John Robert Nienow's NPI number?
Dr. John Robert Nienow's NPI number is 1861472649. It was assigned on January 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Robert Nienow?
Dr. John Robert Nienow is an infectious disease specialist in San Francisco, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. John Robert Nienow practice?
Dr. Nienow practices at 2300 California St Ste 306, San Francisco, CA 94115-2754. Dr. Nienow's primary practice is Strategic Wellness Inc in San Francisco, California. Dmand AI also links Dr. Nienow to 4 hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. John Robert Nienow's office phone number?
The practice phone on file for Dr. Nienow is (415) 202-1550.
What is Dr. John Robert Nienow's medical license number?
Dr. Nienow holds California license 00G795490.
Which hospitals is Dr. John Robert Nienow affiliated with?
Dr. Nienow is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Nienow to 4 more hospitals.
Does Dr. John Robert Nienow accept Medicare?
Yes. CMS data shows Dr. Nienow billed Medicare for 1,038 services in 2024, and Dr. Nienow accepts Medicare assignment.
What is Dr. John Robert Nienow's MIPS score?
Dr. Nienow's MIPS final score for performance year 2024 is 26 out of 100, reported individually.
How many Medicare patients does Dr. John Robert Nienow see?
CMS counts 192 Medicare patients who saw Dr. Nienow in 2024, with an average age of 71.
Is Dr. John Robert Nienow board certified?
Yes. Dr. Nienow is board certified in addiction medicine by the American Board of Preventive Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. John Robert Nienow bill to Medicare?
In 2024, Dr. Nienow's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. John Robert Nienow go to medical school?
Dr. Nienow graduated from Yale School of Medicine in 1988.
What drugs does Dr. John Robert Nienow prescribe most?
In 2024 Medicare Part D data, Dr. Nienow's most prescribed drugs by claims were Biktarvy, Atorvastatin Calcium and Bupropion XL.
Has Dr. John Robert Nienow received payments from drug or device companies?
CMS Open Payments shows $20,540 in general payments to Dr. Nienow from 8 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. John Robert Nienow been practicing?
Dr. Nienow graduated from medical school in 1988, 38 years ago.
Does Dr. John Robert Nienow do research?
Dmand AI links 2 publications to Dr. Nienow.
What insurance does Dr. John Robert Nienow accept?
Dr. Nienow is in network with 12 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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